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Name
  OGLEII BUL-SC31 355278  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 02 21.52 -28 21 01.4  (270.58967 -28.35039) Search nearby
B1950.0 17 59 11.74 -28 21 04.8
Galactic coord. 2.365 -2.870
Other names

(Internal only)
--
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Variability type
EA
Spectral type --
Mag. range
15.10 - 15.55 Ic
Discoverer Blake Crosby, CBLA
Epoch
26 Jun 1998 (HJD 2450990.77) Ephemeris
Outburst --
Period 0.932206 d  (22.3729 h)
Rise/eclipse dur. 15%  (3.36 h)
Remarks
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1 Crosby, Blake Min II = 15.26 Ic Close companion OGLEII BUL-SC31 355281 = 2MASS J18022140-2821003 (V= 16.8; Ic= 14.9) 1.7" to the NW
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References
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1 Soszynski, I.; et al., 2016, The OGLE Collection of Variable Stars. Over
450 000 Eclipsing and Ellipsoidal Binary Systems Toward the Galactic Bulge		 2016AcA....66..405S
2 M.K. Szymanski, 2005, Acta Astron. 55, 43 (online data) 2005AcA....55...43S
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Supporting Documents
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2 Period diagram Crosby, Blake 2014-01-24 05:23 UTC
1 Phase diagram Crosby, Blake 2014-01-24 05:23 UTC
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Revision History
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2 Otero, Sebastian Alberto 2020-01-23 02:32 UTC Primary name, position, period and epoch from 2016AcA....66..405S.
1 Crosby, Blake 2014-01-24 06:03 UTC Initial submission.

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