1996A&A...305..835B

Query : 1996A&A...305..835B

1996A&A...305..835B - Astronomy and Astrophysics, volume 305835-838 (1996/1-3)

The optical content of the error box of GRS 1915+105.

BOER M., GREINER J. and MOTCH C.

Abstract (from CDS):

We report on deep photometry and spectroscopy of the objects detected in the ROSAT HRI X-ray error box of the hard X-ray transient, GRS 1915+105. The probable counterpart of this source has been detected, with a magnitude of 23.4 in the I band. The optical absorption AV=28 derived from the X-ray data implies an absolute magnitude in the I band, MI≃-6.7. We present the data for all the objects present in the error box, together with the spectra of the three brightest. Possible spectral types, as well as estimates of the hydrogen column density are derived.

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Journal keyword(s): X-rays: stars - stars: individual: GRS 1915+105 (Granat 1915+105)

Simbad objects: 11

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Number of rows : 11
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 1A 0620-00 HXB 06 22 44.5423857312 -00 20 44.290460544           K3V-K7V 1144 0
2 V* GU Mus HXB 11 26 26.5961559600 -68 40 32.877752952           K3V-K7V 734 1
3 V* V821 Ara LXB 17 02 49.3876391280 -48 47 23.087954544         15.322 ~ 2237 0
4 KS 1731-260 LXB 17 34 13.46 -26 05 18.6       22.8 20.9 ~ 437 0
5 2E 3938 HXB 17 43 54.7 -29 44 44           ~ 693 1
6 GBS 1900+14 gB 19 07 13 +09 19.6           ~ 906 0
7 SS 433 HXB 19 11 49.5647697480 +04 58 57.827127648   16.854 14.643     A7Ib 2253 4
8 Granat 1915+105 HXB 19 15 11.55576 +10 56 44.9052           ~ 2810 0
9 HD 226868 HXB 19 58 21.6757355952 +35 12 05.784512688 9.38 9.72 8.91 8.42   O9.7Iabpvar 4590 0
10 V* QZ Vul HXB 20 02 49.5220407111 +25 14 10.631666444           K3V-K6V 432 0
11 V* V404 Cyg HXB 20 24 03.8247037434 +33 52 01.961154861           G9/K0III/V 1370 0

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