EVIDENCE OF A LARGELY EXTENDED X-RAY-EMISSION AROUND M82

被引:0
|
作者
TSURU, T [1 ]
OHASHI, T [1 ]
MAKISHIMA, K [1 ]
MIHARA, T [1 ]
KONDO, H [1 ]
机构
[1] INST SPACE & ASTRONAUT SCI, SAGAMIHARA, KANAGAWA 229, JAPAN
关键词
GALAXIES; M82; STAR FORMATION; X-RAY EMISSION;
D O I
暂无
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Evidence of a 100 kpc scale X-ray halo around the starburst galaxy M82 has been obtained by Ginga observations. The halo extends northward from the nucleus with 2-10 keV luminosity of approximately 4 x 10(39) erg s-1. Source contaminations have been shown to be very unlikely as the origin of the halo. The temperature is poorly constrained to be 1-11 keV, and the mass of the hot gas would be about 10(8) M circle bullet. Though this large-scale halo could be a result of mass outflow associated with the starburst, it is puzzling how such a hot, large halo can be confined around the galaxy.
引用
收藏
页码:L75 / L82
页数:8
相关论文
共 50 条
  • [31] X-RAY-EMISSION FROM A COMPLETE SAMPLE OF ABELL CLUSTERS OF GALAXIES
    BRIEL, UG
    HENRY, JP
    ASTRONOMY & ASTROPHYSICS, 1993, 278 (02) : 379 - 390
  • [32] REANALYSIS OF X-RAY-EMISSION FROM M87 .1. THE SINGLE-PHASE MEDIUM
    TSAI, JC
    ASTROPHYSICAL JOURNAL, 1994, 423 (01) : 143 - 171
  • [33] X-RAY-EMISSION FROM 2-PHASE ACCRETION DISKS
    HAARDT, F
    MARASCHI, L
    NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA C-GEOPHYSICS AND SPACE PHYSICS, 1992, 15 (05): : 831 - 837
  • [34] Greatly extended X-ray emission around the elliptical galaxy NGC 4636 observed with ASCA
    Matsushita, K
    Makishima, K
    Ikebe, Y
    Rokutanda, E
    Yamasaki, NY
    Ohashi, T
    ASTROPHYSICAL JOURNAL, 1998, 499 (01) : L13 - L16
  • [35] X-RAY-EMISSION AND TEMPERATURE PROFILES FOR OPTICALLY SELECTED MODELS OF ELLIPTIC GALAXIES
    BERTIN, G
    PIGNATELLI, E
    SAGLIA, RP
    ASTRONOMY & ASTROPHYSICS, 1993, 271 (02): : 381 - 390
  • [36] ELEMENTAL ANALYSIS OF RENAL SLICES BY PROTON-INDUCED X-RAY-EMISSION
    LOWE, T
    CHEN, Q
    FERNANDO, Q
    KEITH, R
    GANDOLFI, AJ
    ENVIRONMENTAL HEALTH PERSPECTIVES, 1993, 101 (04) : 302 - 308
  • [37] MULTIPLE X-RAY-EMISSION COMPONENTS IN LOW-POWER RADIO GALAXIES
    WORRALL, DM
    BIRKINSHAW, M
    ASTROPHYSICAL JOURNAL, 1994, 427 (01) : 134 - 139
  • [38] THE DETECTION OF X-RAY-EMISSION FROM THE OB ASSOCIATIONS OF THE LARGE MAGELLANIC CLOUD
    WANG, Q
    HELFAND, DJ
    ASTROPHYSICAL JOURNAL, 1991, 373 (02) : 497 - 508
  • [39] ABSORPTION OF X-RAY-EMISSION OF T-TAURI STARS BY CIRCUMSTELLAR MATERIAL
    NEUHAUSER, R
    STERZIK, MF
    SCHMITT, JHMM
    ASTROPHYSICS AND SPACE SCIENCE, 1995, 224 (1-2) : 93 - 96
  • [40] DYNAMICS AND X-RAY-EMISSION OF A GALACTIC SUPERWIND INTERACTING WITH DISK AND HALO GAS
    SUCHKOV, AA
    BALSARA, DS
    HECKMAN, TM
    LEITHERER, C
    ASTROPHYSICAL JOURNAL, 1994, 430 (02) : 511 - 532