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Name
  BF Oph  
AAVSO UID
000-BBY-473 (957 observations)  
Constellation
Ophiuchus Sequence
J2000.0
17 06 05.50 -26 34 50.0  (256.52292 -26.58056) Search nearby
B1950.0 17 02 59.36 -26 30 49.8
Proper motion
RA: 0.356 +/- 0.065 mas/yDec: -0.412 +/- 0.041 mas/ySource: Gaia DR1
Galactic coord. 357.080 +8.573
Other names

(Internal only)
AAVSO 1659-26 AN 20.1911 CD-26 11880
CPD-26 5814 HD 154365 HIP 83674
HV 3310 SAO 185020  
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Variability type
DCEP
Spectral type F6-G2
Mag. range
6.93 - 7.71 V
Discoverer --
Epoch
21 Jul 2008 (HJD 2454669.4) Ephemeris
Outburst --
Period 4.06770 d
Rise/eclipse dur. 28%  (27.3 h)
Remarks
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1 GCVS Team SB? P var? since JD2430000 - see Table.
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References
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1 J.S. Nichols et al., 2010, ApJS 188, 473 (online data) 2010ApJS..188..473N
2 H.H.Swope, HB N887, 1932. 1932BHarO.887....6S
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.		 --
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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 = 5.50H = 5.28K = 5.10J - K = 0.41
AllWISE W1 = 5.11W2 = 4.98W3 = 5.07W4 = 5.02W1 - W2 = 0.12W3 - W4 = 0.04
APASS-DR9 B = 8.10V = 7.29g' = 7.74r' = 7.02i' = 6.78B - V = 0.81
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2024-06-12 16:02 UTC Period, epoch and rise duration from AAVSO data.
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.

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