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Latest Details
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Name
  CK Oph  
AAVSO UID
000-BDW-616 (No observations)  
Constellation
Ophiuchus Sequence
J2000.0
16 54 24.16 -26 53 39.5  (253.60067 -26.89431) Search nearby
B1950.0 16 51 18.05 -26 48 49.9
Galactic coord. 355.232 +10.467
Other names

(Internal only)
2MASS J16542416-2653395 ASASSN-V J165424.10-265338.7 EPIC 203207017
HV 4256 UCAC4 316-096748  
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Variability type
RRAB
Spectral type --
Mag. range
14.9 - 16.1 V
Discoverer --
Epoch
21 Apr 2017 (HJD 2457864.933) Ephemeris
Outburst --
Period 0.440777 d  (10.5786 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto ASAS-SN magnitudes contaminated by UCAC4 316-096742 (V= 16.7; sep. 7"). Range has been corrected.
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References
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1 Jayasinghe, T.; Kochanek, C. S.; Stanek, K. Z.; et al., 2018, The ASAS-SN
Catalog of Variable Stars I: The Serendipitous Survey
2018arXiv180301001J
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
3 H.H.Swope, HB N887, 1932. 1932BHarO.887....6S
4 H.H.Swope, HB N857, 1928. 1928BHarO.857....1S
External Links
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Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2018-06-07 23:04 UTC Type, period and epoch from 2018arXiv180301001J. Range from ASAS-SN data. Gaia DR2 position.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.