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Name
  RW Tau  
AAVSO UID
000-BBG-549 (7115 observations)  
Constellation
Taurus Sequence
J2000.0
04 03 54.31 +28 07 33.5  (60.97629 +28.12597) Search nearby
B1950.0 04 00 49.56 +27 59 22.3
Proper motion
RA: 1.21 +/- 1.26 mas/yDec: -18.13 +/- 1.11 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 166.593 -18.002
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0357+27 ADS 2944 D AN 102.1905
ASAS J040354+2807.5 BD+27 623 HD 25487
HIP 18972 HV 1174 MWC 467
SAO 76418    
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Variability type
EA/SD
Spectral type B8Ve+K0IV
Mag. range
7.98 - 11.59 V
Discoverer --
Epoch
15 Oct 2006 (HJD 2454023.7189) Ephemeris
Outburst --
Period 2.7687937 d
Rise/eclipse dur. 14%  (9.303 h)
Remarks
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1 GCVS Team VB A (12.5m, 1.3", 172deg, 1959). dI = 0.020P; Min II 8.09. P var. Min I = 2417198.410 + 2.7688665d*E + 0.038d*sin(0.0818deg*(E - 100)) (JD2409913 - 24150), Min I = 2434423.3571 + 2.7688209d*E (JD2424150 - 37000) [M.Plavec, Publ of Astr.INST. Czech. Acad. of Sciens. N46, 1960.]; Min I = 2437164.4860 + 2.7688480d*E (JD2437000 - 39900) [P.Ahnert, IBVS N1030, 1975.]; Min I = 2442776.93772 + 2.76884463d*E (JD2439855 - 42780) [A.D.Mallama, ApJ Suppl 44, 241, 1980.]; Min I = 2442776.9313 + 2.7688396d*E (JD2442780 - 45750) [SAC N54, 1982.]; since JD2445750 - see Table. The shape of the light curve varies.
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References
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1 C. Lloyd, 2018, Autumn Eclipsing Binaries BAA-VSS Circular #177, 2018
2 C. Lloyd, 2017, The current ephemeris of RW Tauri BAA-VSS Circular #171, 2017
3 Bob Nelson's O-C files, 2016 --
4 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
5 F.W.Wright, HA 89, N10, 1937. 1932AnHar..89..171W
6 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 = 7.61H = 7.49K = 7.36J - K = 0.25
AllWISE W1 = 7.57W2 = 7.53W3 = 7.37W4 = 7.06W1 - W2 = 0.04W3 - W4 = 0.32
APASS-DR9
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2019-03-01 06:57 UTC Elements from BAA-VSS Circular #177.
3 Otero, Sebastian Alberto 2017-05-13 01:00 UTC Elements from BAA-VSS Circular #171.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.