1996A&AS..120C.291V

Query : 1996A&AS..120C.291V

1996A&AS..120C.291V - Astron. Astrophys., Suppl. Ser., 120C, 291-294 (1996/December-3)

SIGMA survey of the Galactic Center region and discovery of a hard X-ray transient.

VARGAS M., GOLDWURM A., DENIS M., PAUL J., BORREL V., ROQUES J.P., JOURDAIN E., NIEL M., TRUDOLYUBOV S., CHURAZOV E., GILFANOV M., SUNYAEV R., DYACHKOV A., KHAVENSON N., CHULKOV I. and BOGOMOLOV A.

Abstract (from CDS):

We present the summed image of the Galactic Center region observed by SIGMA/GRANAT from March 1990 to September 1994. It reveals a cluster of ten sources above the 5σ confidence level. Five other sources detected in this region do not appear on the summed image. GRS 1730-312 (= KS 1730-312), whose flaring activity was discovered during the observations performed in September, 1994, is one of them. The flare started on September 22 and lasted approximately 4-days during which the average 35-200keV spectrum can be described by a power law with photon index of 2.5 or by a thermal bremsstrahlung with temperature of 70keV.

Abstract Copyright: ∼

Journal keyword(s): stars: individual: GRS 1730-312 (Granat 1730-312) - X-ray: stars - gamma rays: observations

CDS comments: Special Issue "3rd Compton Symposium"

Simbad objects: 16

goto View the references in ADS

Number of rows : 16
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 V* V2293 Oph LXB 17 19 36.9201835128 -25 01 04.121601456   17.55 16.65     ~ 191 0
2 ESO 454-29 GlC 17 27 33.24 -30 48 07.8           ~ 251 0
3 NAME Slow Burster LXB 17 31 57.73 -33 50 02.5     15.50     ~ 823 1
4 V* V2116 Oph Sy* 17 32 02.1532435416 -24 44 44.129169096   20.78 18.4     M6IIIe 692 1
5 AX J1733.9-3112 LXB 17 33 32.00 -31 13 00.0           ~ 52 0
6 KS 1731-260 LXB 17 34 13.46 -26 05 18.6       22.8 20.9 ~ 417 0
7 ESO 455-23 GlC 17 35 47.80 -30 28 11.0           ~ 255 0
8 Granat 1734-292 Sy2 17 37 28.3811310912 -29 08 02.119558272           ~ 143 0
9 1ES 1735-26.9 LXB 17 38 17.12 -26 59 38.6           ~ 167 0
10 NAME Great Annihilator LXB 17 43 54.83 -29 44 42.6           ~ 674 1
11 2XMM J174502.1-285450 LXB 17 45 02.33 -28 54 49.7           ~ 133 0
12 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14416 0
13 2E 3943 LXB 17 46 05.20 -29 30 53.3           ~ 209 1
14 Granat 1743-290 X 17 46 21 -29 03.5     13.30     ~ 13 0
15 Granat 1747-341 X 17 50 45.2 -34 12 12     10.21     ~ 4 0
16 2XMM J180112.4-254436 LXB 18 01 12.40 -25 44 36.1           ~ 392 1

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