Search for a galactic 1275 KeV line emission with SPI/INTEGRAL

被引：0
|
作者：
Jean, P [1 ]
Knödlseder, J [1 ]
Hernanz, M [1 ]
Cisana, E [1 ]
Valsesia, M [1 ]
von Kienlin, A [1 ]
Leleux, P [1 ]
Strong, A [1 ]
Winkler, C [1 ]
Wunderer, C [1 ]
机构：
[1] CNRS, UPS, CESR, Toulouse, France
来源：
PROCEEDINGS OF THE 5TH INTEGRAL WORKSHOP ON THE INTEGRAL UNIVERSE | 2004年 / 552卷
关键词：
gamma-ray astronomy; nuclear astrophysics; gamma-ray spectroscopy; novae;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The 1275 keV line is emitted by radioactive Na-22 nuclei which are supposed to be ejected in the interstellar medium by ONe type novae. A "diffuse" 1275 keV line emission, induced by the cumulative contribution of ONe novae, is expected from the Galactic center region. So far, this emission has not, been detected by gamma-ray telescopes. In 2003, the central region of our Galaxy has been observed by INTEGRA L during the, Galactic Center Deep Exposure. We analysed the, SPI data in order to search for the Galactic 1275 keV line emission and derive upper limits to the Na-22 mass produced per outburst ranging from 2.5 to 5.7 x 10(-7) M-circle dot depending on the rate and spatial distribution of novae.
引用
收藏
页码：119 / 122
页数：4
相关论文
共 50 条
  • [41] Constraints on the presence of a 3.5 keV dark matter emission line from Chandra observations of the Galactic centre
    Riemer-Sorensen, Signe
    ASTRONOMY & ASTROPHYSICS, 2016, 590
  • [42] A maximum entropy map of the 511 keV positron annihilation line emission distribution near the galactic center
    Cheng, LX
    Leventhal, M
    Smith, DM
    Purcell, WR
    Tueller, J
    Connors, A
    Dixon, D
    Kinzer, RL
    Skibo, JG
    ASTROPHYSICAL JOURNAL, 1997, 481 (01): : L43 - L46
  • [43] The galactic 511 keV line and the intergalactic positron density
    Vincent, Aaron C.
    Vecchio, Antonio
    Miralda-Escude, Jordi
    Pena Garay, Carlos
    13TH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS, TAUP 2013, 2015, 61 : 796 - 801
  • [44] On the origin of the 6.4 keV line in the Galactic Center region
    Dogiel, V. A.
    Chernyshov, D. O.
    Kiselev, A. M.
    Cheng, K-S
    ASTROPARTICLE PHYSICS, 2014, 54 : 33 - 39
  • [45] Emission-line properties of the optical filaments of NGC 1275
    Sabra, BM
    Shields, JC
    Filippenko, AV
    ASTROPHYSICAL JOURNAL, 2000, 545 (01): : 157 - 170
  • [46] Search for the 44Ti lines in cassiopeia a with INTEGRAL/SPI
    Martin, Pierrick
    Knoedlseder, Jurgen
    Vink, Jacco
    6TH INTEGRAL WORKSHOP: THE OBSCURED UNIVERSE, 2007, 622 : 105 - +
  • [47] A search for infrared positronium line emission from the great annihilator near the Galactic Centre
    Puxley, PJ
    Skinner, GK
    GALACTIC CENTER: 4TH ESO/CTIO WORKSHOP, 1996, 102 : 439 - 442
  • [48] Magnetic support of the optical emission line filaments in NGC 1275
    Fabian, A. C.
    Johnstone, R. M.
    Sanders, J. S.
    Conselice, C. J.
    Crawford, C. S.
    Gallagher, J. S., III
    Zweibel, E.
    NATURE, 2008, 454 (7207) : 968 - 970
  • [49] Search for gamma-ray line emission from the radioactive decay of 60Fe with SPI
    Knödlseder, J
    Cisana, E
    Diehl, R
    Lichti, G
    Harris, M
    Jean, P
    Kretschmer, K
    von Kienlin, A
    Roques, JP
    Schanne, S
    Schönfelder, V
    Vedrenne, G
    Weidenspointner, G
    Wunderer, C
    PROCEEDINGS OF THE 5TH INTEGRAL WORKSHOP ON THE INTEGRAL UNIVERSE, 2004, 552 : 123 - 127
  • [50] INTEGRAL SPI all-sky view in soft gamma rays:: A study of point-source and Galactic diffuse emission
    Bouchet, L.
    Jourdain, E.
    Roques, J. -P.
    Strong, A.
    Diehl, R.
    Lebrun, F.
    Terrier, R.
    ASTROPHYSICAL JOURNAL, 2008, 679 (02): : 1315 - 1326
12345