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Details for Revision 2
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Name
  OGLE BUL-SC31 V1656  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 01 56.30 -28 42 27.2  (270.48458 -28.70756) Search nearby
B1950.0 17 58 45.98 -28 42 28.7
Galactic coord. 2.008 -2.966
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18015627-2842271 OGLE BUL-SC30 V4380 UCAC4 307-160953
USNO-B1.0 0612-0637545    
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Variability type
EB
Spectral type --
Mag. range
13.57 - 13.73 Ic
Discoverer --
Epoch
15 Apr 1998 (HJD 2450918.909) Ephemeris
Outburst --
Period 0.549347 d  (13.1843 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Min II= 13.68 Ic. V= 14.4. 2MASS J18015644-2842330 (V= 14.3) is 6" to the SSE.
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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 Devor J., 2005, ApJ 628, 411 2005ApJ...628..411D
3 M.K. Szymanski, 2005, Acta Astron. 55, 43 (online data) 2005AcA....55...43S
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2014-08-07 21:05 UTC Phase plot with OGLE DIA Ic-data.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2020-01-28 02:29 UTC Primary name, period and epoch from 2016AcA....66..405S.
2 Otero, Sebastian Alberto 2014-08-07 21:05 UTC Primary record creation. Type, epoch and range from OGLE data. UCAC4 position.
1 Admin, VSX 2007-04-04 10:15 UTC Preserved original object data.

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