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Latest Details
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Name
  RY Tau  
AAVSO UID
000-BBG-904 (11118 observations)  
Constellation
Taurus Sequence
J2000.0
04 21 57.41 +28 26 35.6  (65.48921 +28.44322) Search nearby
B1950.0 04 18 50.90 +28 19 34.9
Proper motion
RA: 9.100 +/- 0.140 mas/yDec: -25.859 +/- 0.091 mas/ySource: Gaia DR1
Galactic coord. 169.255 -14.940
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0415+28 AN 70.1907 ASAS J042157+2826.6
BD+28 645 HBC 34 HD 283571
HIP 20387 HV 2922 NSVS J0421573+282634
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Variability type
CTTS/ROT
Spectral type K1
Mag. range
9.3 - 13.0 p
Discoverer Leavitt, 1907
Epoch
--
Outburst --
Period 5.60 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 GCVS Team SB1. The photographs of the nebula and spectrum description [G.H.Herbig, ApJ 133, 337, 1961.]. Long period light variations are possible with cycles 70.25, 15.9, 9.4 and 5.84 years [G.V.Zajtseva, N.E.Kurochkin, Astron. Tsirk. N1126, 1980.].
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References
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1 S.A. Artemenko, K.N. Grankin, P.P. Petrov, 2013, arXiv:1301.2493
[astro-ph.SR]
2013arXiv1301.2493A
2 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 P.N.Kholopov, Perem. Zvezdy 13, N6, 430, 1961. 1961PZ.....13..430K
5 M.Beyer, AN 263, 33, 1937. 1937AN....263...33B
External Links
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Location    Go   
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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 = 7.16H = 6.13K = 5.39J - K = 1.76
APASS-DR9 B = 11.32V = 10.34g' = 10.86r' = 10.08B - V = 0.98
Images
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Supporting Documents
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Campaigns/Programs
 YSO Program
 T Tauri stars observing campaign
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Billiaert, Bruno 2014-07-06 18:27 UTC added discoverer and reference
3 Admin, VSX 2013-01-14 23:17 UTC Update from [2013arXiv1301.2493A].
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.