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Name
  KAO-EGYPT J155828.08-025753.6  
AAVSO UID
000-BLJ-385 (No observations)  
Constellation
Serpens Sequence
J2000.0
15 58 28.08 -02 57 53.6  (239.61700 -2.96489) Search nearby
B1950.0 15 55 51.46 -02 49 21.7
Proper motion
RA: -3.3 +/- 2.5 mas/yDec: -2.2 +/- 2.8 mas/ySource: UCAC4
Galactic coord. 6.730 +35.825
Other names

(Internal only)
2MASS J15582807-0257536 CSS_J155828.1-025753 UCAC4 436-062932
USNO-B1.0 0870-0361232    
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Variability type
EW
Spectral type --
Mag. range
15.03 - 15.74 V
Discoverer Ahmed-Essam
Epoch
18 Jun 2014 (HJD 2456827.46801) Ephemeris
Outburst --
Period 0.361456 d  (8.6749 h)
Rise/eclipse dur. --
Remarks
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1 Hinzel, David H. Changing O'Connell effect.
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References
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1 Djurasevic, G.; et al., 2016, A photometric study of four recently
discovered contact binaries: 1SWASP J064501.21+342154.9, 1SWASP
J155822.10-025604.8, 1SWASP J212808.86+151622.0 and UCAC4 436-062932
2016AJ....152...57D
2 Catalina Real-time Transient Survey (A.J. Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
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 = 13.38H = 12.96K = 12.82J - K = 0.55
AllWISE W1 = 12.62W2 = 12.60W1 - W2 = 0.02
APASS-DR9 B = 16.12V = 15.09g' = 15.55r' = 14.78i' = 14.30B - V = 1.03
GALEX-DR5 NUV = 21.93
Images
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Supporting Documents
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4 Report for UCAC4 436-062932 as a new variable-2.doc Elsayed, Ahmed-Essam 2014-06-28 00:23 UTC Report for UCAC4 436-062932 as a new variable
3 L.C. of UCAC4 436-062932 with V filter-4.jpg Elsayed, Ahmed-Essam 2014-06-28 00:22 UTC L.C. of UCAC4 436-062932 with V filter
2 Data File-2.txt Elsayed, Ahmed-Essam 2014-06-28 00:21 UTC Data File for V filter
1 finding chart Elsayed, Ahmed-Essam 2014-06-27 14:22 UTC FoV = 10"
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Revision History
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3 Hinzel, David H. 2017-06-30 18:11 UTC Remark from 2016AJ....152...57D.
2 Elsayed, Ahmed-Essam 2016-11-12 22:19 UTC Primary name changed to discoverer's ID.
1 Elsayed, Ahmed-Essam 2014-06-30 16:52 UTC Initial submission.