1996A&A...311L..21I


Query : 1996A&A...311L..21I

1996A&A...311L..21I - Astronomy and Astrophysics, volume 311L21-24 (1996/7-3)

A new high-latitude gamma-ray source detected by COMPTEL.

IYUDIN A.F., BENNETT K., BLOEMEN H., BLOM J.J., COLLMAR W., GREINER J., HERMSEN W., LICHTI G.G., RYAN J., SCHOENFELDER V., STEINLE H., STRONG A., VARENDORFF M., VOGES C. and WINKLER W.

Abstract (from CDS):

Using data from the COMPTEL telescope on board the Compton Gamma-Ray Observatory (CGRO) we have discovered an unidentified source at l≃165deg and b≃57deg (error region of ∼1deg radius) in the energy range 0.75-3.00MeV. The source was found in data from Phase 1 and Phase 2 (June 28, 1991-July 27, 1993) of the observation program of CGRO. The overall detection significance is above 8σ for the combination of seven viewing periods. There is an indication of flux variability betweenJune 1991 and July 1993. As a counterpart a number of sources are considered, among them AGN, radio and X-ray sources, neutron stars and high-velocity clouds.

Abstract Copyright: ∼

Journal keyword(s): gamma-rays - point sources - AGN - neutron stars - high-velocity clouds

Simbad objects: 9

goto View the references in ADS

Number of rows : 9
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 SN 1993J SN* 09 55 24.77476 +69 01 13.7026   10.8 12.0     SNIIb 1507 1
2 GRO J1040+48 gam 10 24.0 +47 53           ~ 5 0
3 NVSS J104129+490001 Rad 10 41 29.90858 +49 00 01.6475           ~ 7 1
4 SBSS 1040+493 WD* 10 43 11.4236321376 +49 02 23.528957028           DA1.0 56 0
5 54P 31 Sy1 10 47 32.6885836752 +47 25 32.035467072   19.24 18.95     ~ 67 1
6 V* CY UMa CV* 10 56 56.9964835104 +49 41 18.201049512   17.0       ~ 111 1
7 HVC 164+56-137 HVC ~ ~           ~ 1 0
8 HVC 164+57-141 HVC ~ ~           ~ 1 0
9 HVC 166+57-138 HVC ~ ~           ~ 1 0

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