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Latest Details
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Name
  V2306 Cyg  
AAVSO UID
000-BDP-994 (50747 observations)  
Constellation
Cygnus Sequence
J2000.0
19 58 14.47 +32 32 42.0  (299.56029 +32.54500) Search nearby
B1950.0 19 56 17.82 +32 24 31.1
Proper motion
RA: 0.9 +/- 5.6 mas/yDec: 2.0 +/- 5.3 mas/ySource: UCAC4
Galactic coord. 69.054 +1.702
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1WGA J1958.2+3232 ASASSN-V J195814.46+323242.4 Downes V2306 Cyg
UCAC4 613-095687 [ICP99] B  
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Variability type
DQ
Spectral type B0:V:e
Mag. range
15.3 - 15.7 Rc
Discoverer --
Epoch
06 Aug 2000 (HJD 2451762.9527) Ephemeris
Outburst --
Period 0.1821454 d  (4.37149 h)
Rise/eclipse dur. --
Remarks
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1 Schmeer, Patrick Spin period period 733 s.
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References
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1 Thorstensen, J. R.; et al., 2017, New or Improved Orbital Periods of
Cataclysmic Binaries
2017RNAAS...1...29T
2 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
3 S.V. Zharikov, G.H. Tovmassian, J. Echevarria, 2002, A&A 390, L23 2002A&A...390L..23Z
4 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
5 M. Uslenghi, P. Bergamini, S. Catalano, L. Tommasi, A. Treves, AsAp 359,
No. 2, 639, 2000.
2000A&A...359..639U
6 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1999A&A...345L...1I
7 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1999A&A...345L...1I
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 15.07
Images
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Supporting Documents
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Revision History
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6 Schmeer, Patrick 2020-04-07 18:21 UTC Gaia DR2 position.
5 Otero, Sebastian Alberto 2018-03-09 02:45 UTC Orbital period from 2017RNAAS...1...29T. UCAC4 position.
4 Admin, VSX 2017-12-16 02:48 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
3 Admin, VSX 2010-09-04 01:32 UTC Update from [2002A&A...390L..23Z].
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.