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  •  

    NASA Space Science News

    1a) Gamma-ray astronomers get a special star on their Christmas tree 22 December 1999
    1b) A Swift Look at the Biggest Explosions in the Universe 29 October 1999
    1c) Chandra Spies Structure of Huge X-Ray Jets 26 October 1999
    1d) Postmortems in the Sky 25 October 1999
    1e) Chandra Takes X-ray Image of Repeat Offender 8 October 1999
    1f) Gamma Burst Overwhelms Entire Galaxy 29 September 1999
    1g) Peering into the heart of a Crab 28 September 1999
    1h) Is the Universe Younger than we Think ? 27 September 1999
    1i) Now you see it - Now you don't 22 September 1999
    1j) New Chandra Images Released 21 September 1999
    1k) Pulsar Discovered in '95 is Misbehaving in '99 17 September 1999
    1l) Chandra Peers into the Large Magellanic Cloud 13 September 1999
    1m) Fading Embers Hold Clues to the Puzzle of Gamma Ray Bursters 10 September 1999
    1n) North by Northwest to Catch a Neutrino in the Act 30 August 1999
    1o) Studying the Mysteries of the Titanium Star 26 August 1999
    1p) A Richter Scale for Cosmic Collisions 22 July 1999
    1q) Chandra has Busy Observing Schedule 20 July 1999
    1r) Starquakes put the Brakes on Spinning Neutron Stars 19 July 1999
    1s) Relics of the Big Bang 8 June 1999
    1t) May Gamma Ray Burst Yields another Optical Partner 18 May 1999
    1u) Mirages in Deep Space Seen by Hubble Spece Telescope 14 May 1999
    1v) Telescopes that can see the Invisible Universe 20 April 1999
    1w) It takes more than one kind of telescope to see the light 20 April 1999
    1x) Astronomers may have Discovered a New Type of Black Hole 13 April 1999
    1y) The Answer to Gamma Ray Bursts Remains Elusive 5 April 1999
    1z) Autopsy of a Cosmic Explosion 26 March 1999
    1aa) Happy Birthday, Magnetars ! 5 March 1999
    1ab) Gamma Ray Burst is Latest in a 30-year tale of Cosmic Discovery 29 January 1999
    1ac) Scientists Witness Visible Light from a Powerful Gamma Ray Burst 27 January 1999
    1ad) Astrophysicists puzzle over intergalactic coincidence 20 January 1999
    1ae) Lifting the Fingerprints of Gamma Ray Bursts 8 January 1999
    1af) The one-man band of astrophysics Dec. 1, 1998
    1ag) When stars go hyper 21 October 1998
    1ah) Magnetars - Crusty young star makes its presence felt 29 September 1998
    1ai) "Magnetar" discovery solves 19-year-old mystery 20 May 1998
    1aj) High-Redshift Burst is the Latest Piece in 30-year Trail of Discovery 6 May 1998
    1ak) Dust to dust: New lab studies death of stars, origin of planets 6 April 1998
    1al) Gamma-ray burst identification earns top prize 12 January 1998
    1am) Twinkle, Twinkle, Massive Fireball 19 September 1997
    1an) Discovery may be "Smoking Gun" in Gamma Ray Burst Mystery 31 March 1997

    European Southern Observatory

    HST - STScI

             
    3a)   Combined Deep View of Infrared and Visible Light Galaxies   January 7, 1999
    3a1)   Gap In Stellar Dust Disk May Be Swept Out By Planet   January 8, 1999
    3b1)   Dust Ring Around Star Offers New Clues Into Planet Formation   January 8, 1999
    3c)   Hubble Views Home Galaxy of Record-Breaking Explosion   March 11, 1999
    3d)   Hubble's Infrared Galaxy Gallery   March 18, 1999
    3e)   Hubble's Top Ten Gravitational Lenses   May 13,1999
    3f)   Hubble Snapshot Captures Life Cycle of Stars   June 01,1999
    3g)   "Papillon" Nebula Yields Secrets of Massive Star Birth   June 10,1999
    3h)   Bloated Stars Swallow Giant Planets   August 12, 1999
    3i)   Hubble Spies Giant Star Clusters Near Galactic Center   September 16 ,1999
    3j)   Symbiotic Star Blows Bubbles into Space   August 24,1999
    3k)   Hubble Captures the Heart of Star Birth   March 22, 1998
    3l)   Best Look Yet At Circumstellar Disk Around Beta Pictoris   January 8, 1998
    3m)   A New Class Of X-ray Star?   January 9, 1998
    3n)   Hubble Provides Multiple Views of How to Feed a Black Hole   May 14, 1998
    3o)   Gamma-Ray Burst Found to be Most Energetic Event in Universe   May 6, 1998
    3p)   Possible Planet Around Another Star and Finds a Runaway World   May 28, 1998
    3q)   Hubble Finds A Bare Black Hole Pouring Out Light   September 10,1997
    3r)   Hubble Surveys The "Homes" Of Quasars   November 19, 1996
    3s)   STIS RECORDS A BLACK HOLE'S SIGNATURE   May 12, 1997

    ( - Information : Article 1ai - )

    Authors

    * Authors on the Nature paper are Dr. Chryssa Kouveliotou of the Universities Space Research Association, Dr. Jan van Paradijs and Dr. Stefan Dieters of the University of Alabama in Huntsville, Dr. Tod Strohmayer of NASA's Goddard Space Flight Center, Dr. Gerald Fishman and Dr. Charles Meegan, both of Marshall Space Flight Center, Dr. Kevin Hurley of the University of California at Berkeley, and Dr. Jeff Kommers of the Massachusetts Institute of Technology, Dr. Ian Smith of Rice University, Dr. Dale Frail of the National Radio Astronomy Observatory, and Dr. Toshio Murakami of Japan's Institute of Space and Astronautical Sciences.

    4) Astronomers Find First Observational Evidence For "Hypernova" Explosion

    5) Atoms, Stars, and Nebulae: Third Edition by Lawrence H. Aller ; Cambridge University Press

    6) Astronomers Find Nest Of Massive Supernovae In "Starburst Galaxy"
    For information and an image of 1999am, go to the following web site:
    http://huey.jpl.nasa.gov/~spravdo/snanima.htm
    For more information on the NEAT project go to
    http://huey.jpl.nasa.gov/~spravdo/neat.html
    Information on SkyMorph is available at the following web site:
    http://skys.gsfc.nasa.gov/skymorph/skymorph.html
    Dr. Thomas McGlynn is lead scientist for SkyMorph at Goddard. The NEAT and SkyMorph projects are managed by JPL for NASA's Office of Space Science, Washington, DC.
    JPL is a division of the California Institute of Technology, Pasadena, CA.

    7) Is the 2-in-1 burster a masquerade?

    8) Now you see it - now you don't: Near the center of our galaxy, an X-ray source gobbles up part of companion star

    9) Hubble Space Telescope Image Of Shock Wave's Collision With Glowing Gas Ring Sheds New Light On Fading Supernova
    In addition to Chu, collaborators on the project included astronomer John Dickel, visiting researcher Adeline Caulet, and graduate students Sean Points and Rosa Williams (all at the U. of I.); astronomer Margarita Rosado and graduate student Lorena Arias-Montano at the Universidad Nacionale Autonoma de Mexico; astronomer Annie Laval and graduate student Patricia Ambrocio-Cruz at the Marseille Observatory; and astronomer Dominik Bomans at the University of Bochum in Germanya.

    10) Hypernovae in M101 - The original news release can be found at http://nuinfo.nwu.edu/univ-relations/media/news-releases/*scimed/hypernova-scimed.html
    New Scientist, 10 April 1999

    11) Shockwave!

    11a) Diamond ring surrounds Crab Pulsar NASA NEWS RELEASE Posted: September 28, 1999

    12) The Space Telescope Science Institute is operated by the Association of Universities for Research in Astronomy, Inc., for NASA, under contract with the Goddard Space Flight Center, Greenbelt, MD. The Hubble Space Telescope is a project of international cooperation between NASA and the European Space Agency.

    13) The original news release can be found at http://www.admin.uiuc.edu/NB/99.02/supernovatip.html

    14) Magellanic Cloud: Knots Of Evaporating Gas In Supernova Remnant Support Theory

    15) Most Powerful Explosion Since The Big Bang Challenges Gamma Ray Burst Theories
    The Whole Earth Telescope is a program of the International Institute of Theoretical and Applied Physics (IITAP). IITAP is collaboration between Iowa State University and the United Nations Educational, Scientific and Cultural Organization (UNESCO). Jan. 20, 1999

    16) Hubble Images May Shed Light On Importance Of Novae In Galactic Evolution
    The international research team which planned and analyzed these observations included Chick Woodward and Kunegunda Belle of the University of Wyoming, Nye Evans and Stuart Eyres of the University of Kaele in England, Robert Gehrz and Michael Schuster of the University of Minnesota, Matthew Greenhouse of NASA Goddard Space Flight Center, Joachim Krautter of the State Observatory and University of Heidelberg in Germany, Sumner Starrfield of Arizona State University, and James Truran of the University of Chicago.
    The work was supported by NASA and the Space Telescope Science Institute.
    EDITORS: False color gif images can be obtained over the internet at
    http://wapiti.uwyo.edu/hst-nova on June 3, 1999 at 9:20 a.m. CDT.
    Editor's Note: The original news release can be found at
    http://clasdean.la.asu.edu/news/nova.htm

    17) NASA's Asteroid Hunters Net A Surprise Catch

    18) One Star's Loss Is Another's Gain:  Hubble Space Telescope Captures Brief Moment In Life Of Lively Duo
    The Space Telescope Science Institute is operated by the Association of Universities for Research in Astronomy, Inc. (AURA) for NASA, under contract with the Goddard Space Flight Center, Greenbelt, MD.  The Hubble Space Telescope is a project of international cooperation between NASA and the European Space Agency (ESA).

    19) Whole Earth Telescope Trains Its Sights On Two Strange Star Systems
    The Whole Earth Telescope is a program of the International Institute of Theoretical and Applied Physics (IITAP). IITAP is collaboration between Iowa State University and the United Nations Educational, Scientific and Cultural Organization (UNESCO).

    20) 'MAGNETARS', SOFT GAMMA REPEATERS & VERY STRONG MAGNETIC FIELDS (a web page by Robert C. Duncan, University of Texas at Austin)

    21) Cataclysmic Variables & Related Objects by Dr. Robert C. Smith, Dr. Carole Haswell Rob Hynes (CAH, 3), Dan Rolfe (CAH, 2) (Website: http://star-www.cpes.susx.ac.uk/groups/cv.html )

    22) Universe's largest explosions may come from the death of massive stars - September 29, 1999
    G21.5-0.9
    Images of the GRB 971214 field
    Information on the
    BeppoSAX spacecraft
    Information on the
    Compton Gamma Ray Observatory
    Information on
    Gamma Ray Bursts
    NGC3132 | M 57 (The Ring Nebula) |

    23a) EDITOR'S NOTE: Images to support this story are available on the web at: FTP://PAO.GSFC.NASA.GOV/newsmedia/HEAD/NBH

    23b) HUBBLE SURVEYS THE "HOMES" OF QUASARS
    Co-investigator: Joel Vernet (European Southern Observatory)

    23c) Aussies First To See Likely Black Hole Birth
    For more information:
    Professor Ron Ekers, Director, CSIRO Australia Telescope National Facility, Tel: (02) 9372 4301 (BH), (02) 9869 8656 email:
    director@atnf.csiro.au
    Dr Chris Tinney, Anglo-Australian Observatory, Tel: (02) 9211 7013 up to 12 midday Fri 8 May email:
    cgt@aaoepp.aao.gov.au
    Dr Brian Boyle, Director, Anglo-Australian Observatory, Tel: (02) 9372 4811 (BH) email:
    director@aaoepp.aao.gov.au
    Dr Elaine Sadler, University of Sydney Tel: (02) 9351 2622 (BH), (02) 9922 6368 (AH) email:
    ems@physics.usyd.edu.au
    Dr Dale Frail, US National Radio Observatory, 1-505-835 7338 (bh), 1-505 835 9115(ah)
    email:dfrail@nrao.edu
    An electronic picture is available at
    http://www.csiro.au/news/blackhole.html
    Editor's Note: The original news release can be found at
    ftp://ftp.hq.nasa.gov/pub/pao/pressrel/1999/99-051.txt

    23d) STIS RECORDS A BLACK HOLE'S SIGNATURE
    Credit: Gary Bower, Richard Green (NOAO), the STIS Instrument Definition Team, and NASA

    23e) Black Holes Dominate Universal Energy Output - Sepetmber 10, 1999
    The X-ray Astronomy 1999 meeting in Bologna is sponsored by NASA Goddard Space Flight Center, the University of Bologna, and Consiglio Nazionale delle Ricerche Istituto di Tecnologie e Studio delle Radiazioni Extraterrestri.
    The meeting will feature the first science results from the Chandra X-ray Observatory. Also scheduled are presentations on black holes, neutron stars, pulsars, Active Galactic Nuclei, X-ray background radiation, and X-ray astronomy theory.

    23f) When Black Holes Collide By Uwe Seidenfaden September 1, 1999

    23g) Sol's Motion Around Milky Way Detected - June 30, 1999

    23h) Radio astronomers get best glimpse yet of black hole jet

    23i) Hubble Finds A Bare Black Hole Pouring Out Light

    23j) Researchers May Soon View Shadow of Elusive Black Hole By Robert Roy Britt Senior Science Writer
    posted: 09:17 am EST 15 December 1999

    24a) Faintest Methane Brown Dwarf Discovered with the NTT and VLT - ESO Press Release 14/99 ; 18 August 1999
    A research article about these new results (
    Discovery of a faint Field Methane Brown Dwarf from ES0 NTT and VLT observations), will appear in the European journal Astronomy & Astrophysics. [1] The team consists of Jean Gabriel Cuby, Alan Moorwood, Sandro D'Odorico, Chris Lidman, Fernando Comeron, Jason Spyromilio (ESO) and Paolo Saracco (Osservatorio Astronomico di Brera, Merate, Milan, Italy).

    [2] A more nearby, hotter brown dwarf, KELU-1, was found at La Silla in 1997 at a distance of 33 light-years, cf. ESO Press Release 07/97.

    31a) Colliding Galaxies Trigger Stellar Births, Astronomers Say

    31b) A Butterfly-Shaped "Papillon" Nebula Yields Secrets of Massive Star Birth
    The Hubble observations of the Papillon nebula were conducted by the European astronomers Mohammad Heydari-Malayeri (Paris Observatory, France) and co-investigators Michael Rosa (Space Telescope-European Coordinating Facility, European Southern Observatory, Germany), Vassilis Charmandaris (Paris Observatory), Lise Deharveng (Marseille Observatory, France), and Hans Zinnecker (Astrophysical Institute, Potsdam, Germany).
    Their work is submitted for publication in the European journal Astronomy and Astrophysics.
    Credit: M. Heydari-Malayeri (Paris Observatory) and
    NASA/ESA

    31c) Gap In Stellar Dust Disk May Be Swept Out By Planet

    - From Neutrino Emissions
    41a) A MASSIVE DISCOVERY: The weight of neutrinos offers clues to stars, galaxies and everything --W. Wayt Gibbs in San Francisco

    41b) Scientists Discover That Neutrinos Have Mass

    42a) From Cosmic Waves: The announcement was made June 4 at "Neutrino '98", an international physics conference underway in Takayama, Japan

    43a) Cosmic Ray History Encoded In Abundances Of Light Elements

    43b) Cosmic Rays at the Energy Frontier These particles carry more energy than any others in the universe. Their origin is unknown but may be relatively nearby by James W. Cronin, Thomas K. Gaisser and Simon P. Swordy
    The Authors
    JAMES W. CRONIN, THOMAS K. GAISSER and SIMON P. SWORDY work on both the theoretical questions of how cosmic rays are created and the practical problems inherent in detecting and analyzing them. Cronin, a professor of physics at the University of Chicago since 1971, earned his master's degree from the university in 1953 and his doctorate in 1955. In 1980 he shared the Nobel Prize with Val L. Fitch for work on symmetry violations in the decay of mesons. Gaisser, a professor of physics at the University of Delaware, has concentrated on the interpretation of atmospheric cosmic-ray cascades; he earned his doctorate from Brown University in 1967. In 1995 Gaisser spent two months in Antarctica setting up cosmic-ray detectors. Swordy, an associate professor at Chicago, has been active in cosmic-ray measurement since 1976. He earned his Ph.D. from the University of Bristol in 1979.

    44a) Cosmic Rays Could Destroy--And Create--Life NEW YORK, N.Y., and HAIFA, Israel, July 9, 1998 --
    The Technion-Israel Institute of Technology is the country's premier scientific and technological center for applied research and education. It commands a worldwide reputation for its pioneering work in communications, electronics, computer science, biotechnology, water-resource management, materials engineering, aerospace and medicine, among others. The majority of Israel's engineers are Technion graduates, as are most of the founders and managers of its high-tech industries. The university's 11,000 students and 700 faculty study and work in the Technion's 19 faculties and 30 research centers and institutes in Haifa.
    The American Technion Society (ATS) is the university's support organization in the United States. Based in New York City, it is the leading American organization supporting higher education in Israel. The ATS has raised $650 million since its inception in 1940, half of that during the last six years. Technion societies are located in 24 countries around the world.

    44b) CRASH AND BURN : Radio "eyes" witness the mass births and deaths of stars by Corey S. Powell

    44c) Speeding Stars On Galaxy's Edge Can Now Be Tracked By Radio Telescopes With A Twinkle In Their Eye, Cornell Astronomer Says

    45a) Dead star send us high-speed debris By Marcus Chown From New Scientist, 10 May 1997

    46a) Researchers Investigate Mysteries Of Highest-Energy Cosmic-Rays Known
    Further Reading
    Introduction to Ultrahigh Energy Cosmic Ray Physics. Pierre Sokolsky.
    Addison-Wesley, 1988.
    Cosmic Rays and Particle Physics. Thomas K. Gaisser.
    Cambridge University Press, 1990.
    High Energy Astrophysics, Vol. 1. Second edition. Malcolm S. Longair. Cambridge University Press, 1992.
    Cosmic Ray Observations below 1014 eV. Simon Swordy in Proceedings of the XXIII International Cosmic Ray Conference. Edited by D. A. Leahy, R. B. Hicks and D. Venkatesan.
    World Scientific, 1994.

    46b) "Big Bang 2" Linked By UCSD Astrophysicists To The Birth Of A Supermassive Black Hole
    Color pictures available on the WWW at: http://www.physics.uiuc.edu/groups/tastro/movies/spm/

    46c) BRIGHT LIGHTS, BIG MYSTERY - The brightest flash ever seen may have revealed exotic celestial objects ; --George Musser

    46d) Tremendous Gamma-Ray Flare Blasts Earth
    Editor's Note: Additional information on magnetars or the Aug. 27 event is available on the internet at:
    http://www1.msfc.nasa.gov/NEWSROOM
    http://www.magnetars.com/

    46e) X-ray Jets Shown In Nearby Galaxy posted: 02:37 pm EST 25 October 1999

    46f) Black Hole Found Near Earth Black Hole Found Near Earth By PAUL RECER AP Science Writer= ATLANTA (AP) 04:58 PM ET 01/14/00

    47a) Heavenly Heavyweight
    Image: Don F. Figer,
    UCLA and NASA
    Editor's Note: The original news release can be found at
    http://appl003.ocs.lsu.edu/unv002.nsf/8c84e04d068ce275862564920058523e/4927288b608e1148862566db00783
    Images of the GRB 971214 field are available at:
    FTP://PAO.GSFC.NASA.GOV/newsmedia/GRB/
    Information on the BeppoSAX spacecraft is available at:
    http://www.sdc.asi.it/
    Information on the Compton Gamma Ray Observatory is available at:
    http://cossc.gsfc.nasa.gov/cossc/descriptions/cgro.html
    Information on Gamma Ray Bursts is available at:
    http://cossc.gsfc.nasa.gov/cossc/nasm/VU/overview/bursts/bursts.html

    48a) Hubble Identifies What May Be The Most Luminous Star Known
    The Space Telescope Science Institute is operated by the Association of Universities for Research in Astronomy, Inc. (AURA), for NASA, under contract with the Goddard Space Flight Center, Greenbelt, MD.  The Hubble Space Telescope is a project of international cooperation between NASA and the European Space Agency.
    EDITOR's NOTE:   A photo and caption are available via the World Wide Web at:
    http://oposite.stsci.edu/pubinfo/PR/97/33.html and via links in http://oposite.stsci.edu/pubinfo/Latest.html or http://oposite.stsci.edu/pubinfo/Pictures.html
    Images are available via the World Wide Web at:
    http://oposite.stsci.edu/pubinfo/gif/pistol.gif (GIF), http://oposite.stsci.edu/pubinfo/jpeg/pistol.jpg (JPEG).
    Image files also may be accessed via anonymous ftp from: oposite.stsci.edu in /pubinfo:  gif/pistol.gif (GIF) and jpeg/pistol.jpg (JPEG). 
    Higher resolution digital versions (300 dpi JPEG) of the release photograph are available in: /pubinfo/hrtemp: 97-33.jpg (color) and 97-33bw.jpg (black & white).  A full resolution TIFF image is available in: /pubinfo/tiff/1997/33.tif.

    51a) MIT Researchers Help Fill In "Missing Link" In The Evolution Of Stars
    MIT graduate student Michael Muno is working with Morgan and Chakrabarty to determine if our viewing geometry could play a role. Many other aspects of this puzzlinbg source are being studied as well. MIT research scientist Wei Cui, along with Morgan and Lev Titarchuk of NASA's Goddard Space Flight Center, has written a paper reporting an unexpected phase delay of the low-energy X-ray pulses with respect to the high-energy pulses that may provide an important clue about the environment near the pulsar.
    In addition to Bradt, Cui, Morgan and Muno, the RXTE instrument team at MIT includes principal research scientists Alan M. Levine and Ronald Remillard; graduate students Robert Shirey, Donald Smith, Linqing Wen; programmer Douglas Alan; data aides Joan Quigley and Alan Wood; project manager William F. Mayer, associate director of the Center for Space
    Research; and project engineer Robert F. Goeke.

    51b) Astronomers Discover "Middleweight" Black Holes

    51c) Gamma Ray Burst Imaged For First Time
    For general information about the burst phenomena, see
    http://science.nasa.gov/newhome/headlines/ast27jan99_1.htm.
    Editor's Note: The original news release can be found at
    ftp://ftp.hq.nasa.gov/pub/pao/pressrel/1999/99-008.txt

    51d) Gamma-Ray Bursts by Gerald J. Fishman and Dieter H. Hartmann

    51e) Blasts From the Past: High-Redshift Burst is the Latest Piece in 30-year Trail of Discovery May 6, 1998:

    51f) And Then There Were Four September 19, 1997

    51g) Gamma-ray Bursters cross the 'Line of Death' - Fireballs and gamma-ray bursts are not the same thing
    October 13, 1998:

    51h) Astrophysicists puzzle over intergalactic coincidence - Gamma-ray burst and supernova may have no relation

    51i) Gamma-Ray Burst Found to be Most Energetic Event in Universe

    52a) Nearby Massive Star Cluster Yields Insights Into Early Universe
    The Hubble observations of N81 were conducted by the European astronomers Mohammad Heydari-Malayeri (Paris Observatory, France) and co-investigators Michael Rosa (Space Telescope-European Coordinating Facility, European Southern Observatory, Germany), Hans Zinnecker (Astrophysics Institute, Potsdam, Germany), Lise Deharveng (Marseille Observatory, France), and Vassilis Charmandaris (Paris Observatory).
    Their work will be shortly submitted for publication in the European journal Astronomy and Astrophysics.

    52b) Supernova Jives To The Jetsons - Space Daily, November 15, 1999
    Supernovae Research Group
    Supernova Links

    53a) Simulation Reveals Very First Stars That Formed In The Universe
    The adaptive mesh refinement code was developed by Greg Bryan at the Massachusetts Institute of Technology. Tom Abel, at the Max Planck Institute for Astrophysics in Garching, Germany, developed the nonequilibrium chemical model of the primordial gas.
    Funding for the project came from NASA and the National Science Foundation.

    53b) Single Hubble Picture Captures Key Phases In The Stellar Life Cycle
    Eva Grebel, a Hubble postdoctoral fellow in the UW astronomy department., and her colleagues, Wolfgang Brandner of NASA's Jet Propulsion Laboratory in Pasadena, Calif., and You-Hua Chu of the University of Illinois at Urbana-Champaign, presented the image at the centennial meeting of the American Astronomical Society.
    Editor's Note: The original news release can be found at
    http://www.cac.washington.edu/newsroom/news/1999archive/06-99archive/k060199a.html

    53c) HERE COME THE SUNS --George Musser

    53d) When Stars Cause Indigestion by Marcus Chown New Scientist; - November 12, 1999

    53e) Eaten By A G-type Star ; Science Daily - August 12, 1999

    54a) Robotic Telescope Sheds Light On Cosmic Microwave Background
    Note: Visit a special web site on the sky-mapping project at:
    http://www.astronomy.swarthmore.edu/
    The team of astronomers collaborating on the two-year mapping project includes John Gaustad of Swarthmore College, Peter McCullough of the University of Illinois, Wayne Rosing of Las Cumbres Observatory in California, and Dave Van Buren of Caltech.

    55a) Cold Dust In Hot Gas Of Ancient Galaxies
    Collaborators in the study included Jesse D. Bregman of NASA and Pasquale Temi of the NASA Ames Research Center. Funding for the study was provided by NASA.

    61a) Publications of the Astronomical Society of the Pacific, 111 : 532-535, 1999 May c.1999 ; White Dwarfs in Cataclysmic Variables, by E. M. Sion

    71a) RADIO-QUIET X-RAY PULSARS IN SUPERNOVA REMNANTS AND THE "MISSING" PULSAR PROBLEM
    E. V. Gotthelf (Columbia University)

    Relevant Papers

    All the papers below refer to the missing pulsar problem in some way or another.

    Also, see adjacent poster on the central sources in SNRs Kes 73 (#41.02) and RCW 103 (#41.03).

    THIS WORK:

    71b) "Radio-quiet X-ray pulsars in Supernova Remnants and the "Missing" Pulsar," Gotthelf, E. V. 1998, in "Workshop on Neutron Star/Supernova Remnant Connection", Memorie della Societa' Astronomica Italiana, also available via astro-ph/9809139; also ApJ 1999, in prep.

    AXP J1844-0258: THE LATEST ANOMALOUS X-RAY PULSAR:

    71c) "Discovery of a 7 Second Anomalous X-ray Pulsar in the Distant Milky Way," Gotthelf, E. V. & Vasisht, G. 1998, New Astronomy, 3, 293

    AXP 1E 1841-045: DISCOVERY OF A MAGNETAR:

    71d) "The Discovery of an Anomalous X-ray Pulsar in the Supernova Remnant Kes 73," Vasisht, G. & Gotthelf, E. V. 1997, ApJ, 486, L129

    71e) "Kes 73: A Young Supernova Remnant with an X-ray Bright, Radio-Quiet Central Source, " Gotthelf, E. V. & Vasisht, G. 1997, ApJ, 486, L133

    RCW 103, ITS CENTRAL X-RAY SOURCE, AND NEARBY PULSAR:

    72a) "X-ray variability of the central source on RCW 103," Petre, R. & Gotthelf, E. V. 1998, in "Workshop on Neutron Star/Supernova Remnant Connection", Memorie della Societa' Astronomica Italiana; and ApJ 1999, in press.
    72b)
    "Discovery of a 69 millisecond X-ray Pulsar: A compact source in the Vicinity of the Supernova Remnant RCW 103," Torii, K, Kinugsa, K., Toneri, T., Asanuma, T., Tsunemi, H., Dotani, T., Mitsuda, K., Gotthelf E. V. & Petre, R. 1998, ApJ, 494, L207
    72c)
    "The Nature of the Radio-Quiet Compact X-ray Source in SNR RCW 103, " Gotthelf, E. V., Petre R. & Hwang U. 1997, ApJ, 487, L175

    DISCOVERY OF A NEW CRAB-LIKE PULSAR IN THE LMC!:

    73a) "ROSAT HRI Detection of the 16 ms Pular PSR J0537-6910 Inside SNR N157B," Wang, D. Q. & Gotthelf, E. V. 1998, ApJ, 509, L109
    73b)
    "Discovery of an Ultra-fast X-ray Pulsar in the Supernova Remnant N157B," F. E. Marshall, E. V. Gotthelf, W. Zhang, J. Middleditch, & Q. D. Wang 1998, ApJ, ApJ, 499, L179
    73c)
    "ROSAT AND ASCA Observations of the Crab-like Supernova Remnant N157B in the Large Magellanic Cloud," Wang, D. Q. & Gotthelf, E. V. 1998, ApJ, 494, 623

    Kes 73 References

    Baade, W. & Zwicky, F. 1934, Phys. Rev., 45, 138
    Cline, T. L. 1982, ApJ, L255, 45
    Duncan, R. C. & Thompson, C. 1996, ApJ, 473, 322
    Gotthelf, E. V., Petre, R. & Hwang, U. 1997, ApJ, 487, L175
    Gaensler, B. & Johnston, S. 1995, MNRAS, 277, 1243
    Kulkarni, S. R., Frail, D. A. 1993,
    Kaspi et al. 1996, AJ, 111, 2028
    Lorimer, D. R., Lyne, A. G., & Camilo, F. 1998 AA, 331, 1002
    Mereghetti, S. & Stella, L. 1995, ApJ, 442, L17
    Shapiro & Teukolsky 1983, ``Black Holes, White Dwarfs, and Neutron Stars'' (Wiley & Sons: NY), Chap. 10, 267
    Thompson, C., & Duncan, R. C. 1993, ApJ, 408, 194
    van Paradijs, J., Taam, R. E. & van den Heuvel, E. P. J. 1995, A&A, 299, L41
    Vasisht, G. & Gotthelf, E. V. 1997, ApJ, 486, L129
    Weiler, K. W. & Sramek, R. A. 1988, ARA&A, 26, 29

    74a) A Comparison of X-ray and Radio Emission from the Supernova Remnant Cassiopeia A. Jonathan W. Keohane, et al.
    74b)
    The broad-band X-ray spectrum of the Cas A supernova remnant as seen by the BeppoSAX observatory. F. Favata, et al.
    74c)
    Hard X-ray Emission from Cassiopeia A SNR. L.-S. The, et al.
    74d)
    High Ratio of 44Ti/56Ni in Cas A and Axisymmetric Collapse-Driven Supernova Explosion. S. Nagataki, et al.
    74e)
    The Supernova Remnant Cas A at Millimeter Wavelengths. Melvyn Wright, et al.
    74f)
    A comparison of the X-ray line and continuum morphology of Cassiopeia A. Jacco Vink, et al
    74g)
    Titanium-44: Its Effective Decay Rate in Young Supernova Remnants, and its Abundance in Cas A. Y. Mochizuki, et al
    74h)
    Search for >= 400 GeV gaThe hard X-ray and Ti-44 emission of Cas A. Jacco Vink, et al.
    74i)
    MMA-rays from the SNR Cas A. P. Goret, et al
    74j)
    Xrayastronomy.com, science news from the Chandra X-Ray Observatory
    74k)
    Chandra X-ray Observatory Center home page, with links to education, news, and technical pages.
    74l)
    Chandra news from Marshall Space Flight Center
    74m)
    Chandra Project Science is managed at NASA/Marshall, has links to individual instruments and the prime contractor.
    74n)
    X-ray astrophysics branch at NASA/Marshall conducts a broad range of research and technology work, as well as supporting the Chandra X-ray Observatory.
    Information about GM Sgr's outburst from the
    Rossi X-ray Timing Explorer team at the Massachusetts Institute of Technology, with links to IAU circulars and Astronomer's Telegrams, and from the Variable Star Network at Kyoto University.
    The activities of interacting binary stars is depicted by the
    Theoretical Astrophysics Program at North Carolina State University.

    75a) Is the 2-in-1 burster a masquerade? Sept. 15, 1999. Pulsar acts a bit like a cheap clock
    75b)
    Scientist finds 2-in-1 burster; March 25, 1998. Original story on Wilson-Hodge's discovery.
    75c)
    Other news from the 5th Compton Symposium includes a new gamma-ray catalog of the universe and a method of weighing black holes.
    75d)
    The 5th biennial Huntsville Gamma-Ray Burst Symposium Oct. 19-22.
    75e)
    Things that go bump in the night. Jan. 21, 1998. Team finds that pulsars get wound up - and down.
    75f)
    Astronomers discover bursting pulsar. May 23, 1996.
    75g)
    Return of the bursting pulsar - June 1996. NASA-/Goddard web page about GRO J1744-28; with links to 1.7MB AVI and 1.6MB Quicktime animation.
    75h)
    The one-man band of astrophysics - Dec. 1, 1998. An unusual x-ray pulsar bursts, pulses, and puzzles astronomers.
    75i)
    BATSE pulsar stories. Data on J1744-28 and other pulsars observed by BATSE.
    75j)
    The Astrophysical Journal on-line.

    76a) "Missing" Pulsars Within Exploded Stars Identified By Columbia, Caltech Astronomers
    76b) Hubble Gives Scientists Their First Direct Visible-Light Glimpse Of A Neutron Star Alone In Space
    76c) Fast-Spinning Pulsar Discovery Surprises Astronomers, Provides Evolutionary Link
    76d)
    Discovery Of 'Cosmic Chords' May Support Prediction Of Einstein's Theory - April 20 1999
    Color pictures available on the WWW at:
    http://www.physics.uiuc.edu/groups/tastro/movies/spm/
    76e)
    Relativistic Effects Play Major Role In Neutron Star Mergers
    Editor's Note: The original news release can be found at
    http://www.admin.uiuc.edu/NB/99.07/astrophysicstip.html
    76f)
    Scientists Say Neutron Star's Magnetic Field Is Most Powerful Yet Discovered In Universe - May confirm existence of 'Magnetars'
    For more information on magnetars and this discovery, visit NASA Marshall's Space Sciences Laboratory website at:

    -- http://science.msfc.nasa.gov/
    76g)
    Hubble Gives Scientists Their First Direct Visible-Light Glimpse Of A Neutron Star Alone In Space -
    A photo and caption are available via the World Wide Web at URLs:
    http://oposite.stsci.edu/pubinfo/PR/97/32.html and via links in http://oposite.stsci.edu/pubinfo/Latest.html or http://oposite.stsci.edu/pubinfo/Pictures.html. Images are available via the World Wide Web at http://oposite.stsci.edu/pubinfo/gif/nscra.gif (GIF), http://oposite.stsci.edu/pubinfo/jpeg/nscra.jpg (JPEG).

    Image files also may be accessed via anonymous ftp from oposite.stsci.edu in /pubinfo: gif/nscra.gif (GIF) and jpeg/nscra.jpg (JPEG). Higher resolution digital versions (300 dpi JPEG) of the release photograph are available in /pubinfo/hrtemp: 97-32.jpg (color) and 97-32bw.jpg (black & white). Full resolution TIFF image is available in /pubinfo/tiff/1997/32.tif.
    76h)
    X-Ray Structure In Supernova Remnants Linked To Age
    Editor's Note: The original news release can be found at http://www.admin.uiuc.edu/NB/99.02/supernovaxraytip.html

    76i) X-ray vision By Marcus Chown From New Scientist, 3 October 1998

    76j) Milky Way's Halo Caused by Exploding Stars: NASA posted: 08:41 am EST 12 January 2000 Space.com

    77a) Cosmic Flasher Reveals All

    The VLA is an instrument of NSF's National Radio Astronomy Observatory operated under cooperative agreement by Associated Universities, Inc.

    Editor's Note: The original news release can be found at http://www.nsf.gov/od/lpa/news/press/pr9858.htm

    77b) 01/12/00 Organic Molecules in Space Found By PAUL RECER= AP Science Writer= ATLANTA (AP) 05:34 PM ET from Morning Coffee Edition for Thursday, January 13, 2000

    From Black Holes: Theory and Conjecture

    81a - OMNI, Feb 1979, Interview: Stephen Hawking, p. 49.
    81b - Science News, April 7, 1979, Results of HEAO2, p. 229.
    81c - UFO Report
    81d - Introduction to Astronomy, Lives of Stars, p. 340.
    81e - Physics 1&2, Halliday and Resnick, Appendix F.
    81f - Hawking Interview
    81g - Hawking Interview
    81h - Hawking Interview
    81i - Hawking Interview
    81j - Physics 1&2, p. 10.
    81k - Physics 1&2, Appendix G.
    81l - Introduction to Astronomy, p. 340.
    81m - Introduction to Astronomy, p. 340
    81n - OMNI, March 1979, The Legacy of Einstein.
    81o - Physics 1&2, Appendix F
    81p - UFO Report
    81q - Scientific American, Nov. 1978, Fusion Power by Particle Beams.
    81r - Hawking Interview
    81s - OMNI, March 1979, H.K. Bell, (Record Pressure) Continuum, p. 41.
    81t - Physics, Appendix G.
    81u - Hawking Interview.
    81v - Results of HEAO2, p. 229.

    82a) Clarke, Arthur C. Space Ships, OMNI, Feb. 1979, p. 76
    82b) Eberhart, Jonathan and Dietrick Thomsen. Results from HEAO-2, Science News, April 7, 1979, p. 229
    82c) Evans, Christopher. Interview: T.J. Good, OMNI, Jan. 1979, p. 71
    82d) Foreward, Robert L. Einsteins Legacy, OMNI, March 1979, p. 44
    82e) Goodbye Gravity, OMNI, Jan. 1979
    82f) Fuller, Buckminster. Worlds Beyond, OMNI, Jan. 1979, p. 102
    82g) Heiles, Carl. The Structure of the Interstellar Medium, Scientific American, Jan. 1978, p. 74
    82h) Hoyle, Sir Fred, and Chandra Wickramasinghe. Life Cloud
    82i) Overby, Dennis. Interview: The Wizard of Space and Time - Stephen Hawking, OMNI, Feb. 1979, p. 45
    82j) Priest, Christopher. Static Gravity, OMNI, April 1979, p. 76
    82k) Speigel, E. Lee. First Encounter, April 1979, p. 52
    82l) Yonas, Gerold. Fusion Power with Particle Beams, Scientific American, Nov. 1978
    83a) Title: An L-Type Substellar Object in Orion: Reaching the Mass Boundary between
    Brown Dwarfs and Giant Planets
    Authors:
    ZAPATERO OSORIO, M. R.; BÉJAR, V. J. S.; REBOLO, R.; MARTÍN, E. L.; BASRI, G

    83b) Title: The accretion of brown dwarfs and planets by giant stars - II. Solar-mass stars on the red giant branch
    Authors:
    SIESS, LIONEL; LIVIO, MARIO

    83c) Title: Newly Discovered Brown Dwarfs Not Seen in Microlensing Timescale Frequency Distribution?
    Authors:
    PEALE, S. J

    83d) Title: A Search for Photometric Rotation Periods in Low-Mass Stars and Brown Dwarfs in the Pleiades
    Authors:
    TERNDRUP, DONALD M.; KRISHNAMURTHI, ANITA; PINSONNEAULT, MARC H.; STAUFFER, JOHN R.

    83e) Title: The Complex Protostellar Source IRAS 04325+2402
    Authors:
    HARTMANN, LEE; CALVET, NURIA; ALLEN, LORI; CHEN, HUA; JAYAWARDHANA, RAY

    83f) Title: HUBBLE SPACE TELESCOPE Observations of Galactic Globular Cluster Cores. II. NGC 6273 and the Problem of Horizontal-Branch Gaps
    Authors:
    PIOTTO, G.; ZOCCALI, M.; KING, I. R.; DJORGOVSKI, S. G.; SOSIN, C.; RICH, R. M.; MEYLAN, G.

    83g) Title: APMPM J0559-2903: The coolest extreme subdwarf known
    Authors:
    SCHWEITZER, A.; SCHOLZ, R. -D.; STAUFFER, J.; IRWIN, M.; MCCAUGHREAN, M. J.

    83h) Title: Extrasolar Giant Planets: Masses and Luminosities from In-situ Formation Theories
    Authors:
    WUCHTERL, G.

    83i) Title: Underabundance of NH_3 in the brown dwarf Gliese 229B
    Authors:
    SAUMON, D.; GEBALLE, T. R.; LEGGETT, S. K.; MARLEY, M. S.; FREEDMAN, R. S.; SENGUPTA, S. K.; KALININ, Y. V.

    83j) Title: The Chemistry and Dynamics of a Brown Dwarf's Atmosphere
    Authors:
    GRIFFITH, C. A.; YELLE, R. V

    83k) Title: Infrared Search for Wide Methane Companions of Nearby M Dwarfs
    Authors:
    VEEDER, G. J.; JARRETT, T. H.

    83l) Title: Statistics of Low-Mass Companions to Stars: Implicatons for Their Origin
    Authors:
    BLACK, D. C.; STEPINSKI, T. F.

    83m) Title: Planetesimal Dynamics in a Protoplanetary Disk Perturbed by Massive Companions
    Authors:
    KORTENKAMP, S. J.; WETHERILL, G. W.

    83n) Title: A Prediction of Brown Dwarfs in Ultracold Molecular Gas
    Authors:
    ELMEGREEN, BRUCE G.

    83o) Title: Discovery of Four Field Methane (T-Type) Dwarfs with the Two Micron All-Sky Survey
    Authors:
    BURGASSER, ADAM J.; KIRKPATRICK, J. DAVY; BROWN, MICHAEL E.; REID, I. NEILL; GIZIS, JOHN E.; DAHN, CONARD C.; MONET, DAVID G.; BEICHMAN, CHARLES A.; LIEBERT, JAMES; CUTRI, ROC M.; SKRUTSKIE, MICHAEL F.

    83p) Title: Discovery of a faint field methane brown dwarf from ES0 NTT and VLT observations
    Authors:
    CUBY, J. G.; SARACCO, P.; MOORWOOD, A. F. M; D'ODORICO, S.; LIDMAN, C.; COMERÓN, F.; SPYROMILIO, J.

    83q) Title: The abundance of brown dwarfs
    Authors:
    BINNEY, JAMES

    83r) Title: Properties of Hypothetic Planetary Systems Around The Brown Dwarf Gliese 229B
    Authors:
    DESIDERA, SILVANO

    83s) Title: On The Nature Of Sub-stellar Mass Companions To Solar-Like Stars
    Authors:
    HEACOX, WILLIAM

    83t) Title: A Search for Very Low Mass Stars and Brown Dwarfs in the Young sigma Orionis Cluster
    Authors:
    BÉJAR, V. J. S.; OSORIO, M. R. ZAPATERO; REBOLO, R

    83u) Title:L Dwarfs and the Substellar Mass Function
    Authors:
    REID, I. NEILL; KIRKPATRICK, J. DAVY; LIEBERT, J.; BURROWS, A.; GIZIS, J. E.; BURGASSER, A.; DAHN, C. C.; MONET, D.; CUTRI, R.; BEICHMAN, C. A.; SKRUTSKIE, M.

    84a) Title: A Time-Series IUE Archival Study of the White Dwarf in the Ultrashort-Period Dwarf Nova WZ Sagittae
    Authors:
    SLEVINSKY, R. J.; STYS, D.; WEST, S.; SION, E. M.; CHENG, F. H

    84b) Title: Cygnus X-2, super-Eddington mass transfer, and pulsar binaries
    Authors:
    KING, A. R.; RITTER, H.

    84c) Title: The fate of CO white dwarfs that experience slow deflagrations
    Authors:
    BRAVO, E.; DOMÍNGUEZ, I.; ISERN, J.

    84d) Title: Magnetically Driven Warping, Precession, and Resonances in Accretion Disks
    Authors:
    LAI, DONG

         

     

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