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  V2391 Oph  
000-BCB-206 (15 observations)  
Ophiuchus Sequence
18 05 27.29 +02 30 00.4  (271.36371 +2.50011) Search nearby
B1950.0 18 02 56.06 +02 30 30.2
Proper motion
RA: 124.16 mas/yDec: -962.82 mas/ySource: F. Van Leeuwen, 2007
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
Spectral type K0V SB+K4Ve
Mag. range
4.00 - 4.03 V
Discoverer --
07 Apr 1990 (HJD 2447989.15) Ephemeris
Outburst --
Period 1.96396 d
Rise/eclipse dur. --
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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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1 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
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Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Stellar Association Membership
 Collinder 359 Open Cluster 2012A&A...548A..97Z
Revision History
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4 Otero, Sebastian Alberto 2012-12-07 21:51 UTC Type, epoch and range from Hipparcos data.
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 15:53 UTC Added period, epoch and spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.