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Details for Revision 3
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  V2491 Cyg  
000-BFT-191 (2139 observations)  
Cygnus Sequence
19 43 01.96 +32 19 13.8  (295.75817 +32.32050) Search nearby
B1950.0 19 41 06.30 +32 12 02.0
Galactic coord. 67.229 +4.353
Other names

(Internal only)
1RXS J194259.9+321940 2RXP J194302.0+321912 USNO-B1.0 1223-0482965
V2491 CYGNI VSX J194301.9+321913 XMMSL1 J194301.9+321911
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Variability type
Spectral type --
Mag. range
7.54 - 17.1 V
Discoverer Koichi Nishiyama and Fujio Kabashima
Outburst 2008
Period 0.0958 d  (2.30 h)
Rise/eclipse dur. --
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Waagen, Elizabeth O. possible nova independent discovery by Z.-w. Jin and X. Gao, Xingming Observatory, Mt. Nanshan, China
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2 R.J. Strope, B.E. Schaefer, A.A. Henden, 2010, arXiv:1004.3698v1
3 K.L. Page et al., 2009, arXiv:0909.1501v1 [astro-ph.HE] 2009arXiv0909.1501P
4 K.L. Page et al., 2009, arXiv:0909.1501v1 [astro-ph.HE] 2009arXiv0909.1501P
5 IAU Circular No. 8934 2008IAUC.8934....1N
6 AAVSO Special Notice #103 --
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 BAA VSS Recurrent Objects Programme
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
6 Otero, Sebastian Alberto 2020-05-24 14:42 UTC Epoch from the GCVS (November 2019 version).
5 Admin, VSX 2010-04-28 20:57 UTC Update from [2010arXiv1004.3698S].
4 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
3 Admin, VSX 2009-09-10 08:54 UTC Update from [2009arXiv0909.1501P].
2 Otero, Sebastian Alberto 2008-04-12 02:19 UTC Updated primary name to assigned GCVS designation.
Maximum V-magnitude and type given.
1 Waagen, Elizabeth O. 2008-04-12 02:13 UTC Initial submission.