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Details for Revision 3
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Name
  V2391 Oph  
AAVSO UID
000-BCB-206 (15 observations)  
Constellation
Ophiuchus Sequence
J2000.0
18 05 27.29 +02 30 00.3  (271.36371 +2.50008) Search nearby
B1950.0 18 02 56.48 +02 29 41.9
Galactic coord. 29.893 +11.367
Other names

(Internal only)
70 Oph A 1RXS J180527.2+023014 ADS 11046 AB
BD+02 3482 GJ 702.0 HD 165341
HIP 88601 HR 6752 IRC +00335
SAO 123107    
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Variability type
BY:
Spectral type K0V SB
Mag. range
4.14 - 4.16 Hp
Discoverer --
Epoch
01 Sep 1991 (HJD 2448501.027) Ephemeris
Outburst --
Period 1.96396 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Combined range for the K0V primary (spectroscopic binary, V= 4.2) and the K4V secondary (V= 5.9) 5.6" away (2010).
2 GCVS Team Porb = 88.13yr. Component B is a suspected variable star (NSV 24260) and may be the cause of variations.
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References
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1 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200
1997yCat.1239....0E
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Supporting Documents
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Stellar Association Membership
 Collinder 359 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2012-12-08 02:51 UTC Type, epoch and range from Hipparcos data.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:53 UTC Added period, epoch and spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.