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Name
  V2293 Oph  
AAVSO UID
000-BDY-687 (400 observations)  
Constellation
Ophiuchus Sequence
J2000.0
17 19 36.92 -25 01 04.1  (259.90383 -25.01781) Search nearby
B1950.0 17 16 32.57 -24 58 01.8
Galactic coord. 0.142 +6.991
Other names

(Internal only)
1RXS J171940.9-250148 GRO J1719-24 GRS 1716-249
Gaia17agz Granat 1716-249 INTREF 770
N Oph 1993 X 17165-249 X-Ray Nova Oph 1993
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Variability type
LMXB/BHXB:/XN
Spectral type K:+BH:
Mag. range
17.1 - 21.5 B
Discoverer --
Epoch
--
Outburst --
Period 0.6125 d  (14.70 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Black hole candidate. Crowded field. Beware of the identification at minimum.
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References
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1 Gaia alerts, 2017 (online data) --
2 Corral-Santana, J. M.; Casares, J.; Muņoz-Darias, T.; et al., 2016,
WATCHDOG: A Comprehensive All-sky Database of Galactic Black Hole X-ray
Binaries
2016ApJS..222...15T
3 Liu, Q. Z.; van Paradijs, J.; van den Heuvel, E. P. J., 2007, A catalogue
of low-mass X-ray binaries in the Galaxy, LMC, and SMC (Fourth edition)
2007A&A...469..807L
4 Ritter, H.; Kolb, U., Catalogue of cataclysmic binaries, low-mass X-ray
binaries and related objects (7th Edition, Release 7.21, March 2014)
2003A&A...404..301R
5 IAU Circ No.5876, 1993. 1993IAUC.5876....1D
External Links
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Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2018-02-28 02:56 UTC Type and spectral type from 2016ApJS..222...15T.
3 Otero, Sebastian Alberto 2017-02-04 08:21 UTC Type and spectral type from 2003A&A...404..301R. Orbital period from
2007A&A...469..807L. Gaia position.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.