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Latest Details
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Name
  Y Crv  
AAVSO UID
000-BDN-120 (17 observations)  
Constellation
Corvus Sequence
J2000.0
12 38 10.45 -15 00 00.3  (189.54354 -15.00008) Search nearby
B1950.0 12 35 33.98 -14 43 31.3
Proper motion
RA: -29.144 +/- 3.397 mas/yDec: 6.402 +/- 1.514 mas/ySource: Gaia DR1
Galactic coord. 298.165 +47.749
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AN 287.1930 ASAS J123811-1500.0 IOMC 5534000017
NSVS 15989121    
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Variability type
RRC
Spectral type A0
Mag. range
11.73 - 12.10 R1
Discoverer --
Epoch
12 Apr 1999 (HJD 2451280.76) Ephemeris
Outburst --
Period 0.32904 d  (7.897 h)
Rise/eclipse dur. --
Remarks
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1 GCVS Team Min II 11.7. RRC type with twice shorter period is possible.
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References
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
2 Wils P., Lloyd C., Bernhard K., 2006, MNRAS 368, 1757 2006MNRAS.368.1757W
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 C.Hoffmeister, AN 240, 193, 1930. 1930AN....240..193H
5 Bob Nelson's O-C files, 2016 --
6 L.Meinunger, MVS 2, H.3, 47, 1964. --
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 = 10.86H = 10.77K = 10.71J - K = 0.15
AllWISE W1 = 10.71W2 = 10.73W3 = 10.55W4 = 9.09W1 - W2 = -0.02W3 - W4 = 1.46
APASS-DR9 B = 11.94V = 11.64g' = 11.76r' = 11.69i' = 11.65B - V = 0.30
GALEX-DR5 FUV = 17.24NUV = 14.63FUV - NUV = 2.62
SDSS-DR12 u = 14.30g = 11.39r = 11.52i = 11.56z = 11.89u - g = 2.91r - i = -0.04
Images
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Supporting Documents
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Revision History
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3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 16:03 UTC Update from [2006MNRAS.368.1757W].
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.