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Name
  TW Cet  
AAVSO UID
000-BDL-771 (4844 observations)  
Constellation
Cetus Sequence
J2000.0
01 48 54.14 -20 53 34.6  (27.22558 -20.89294) Search nearby
B1950.0 01 46 31.88 -21 08 27.4
Proper motion
RA: 43.972 +/- 0.134 mas/yDec: -15.135 +/- 0.123 mas/ySource: Gaia DR1
Galactic coord. 190.585 -75.486
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J014852.7-205340 AN 156.1932 ASAS J014852-2053.6
ASAS J014854-2053.6 ASASSN-V J014854.16-205334.9 BD-21 311
CPD-21 167 HIP 8447 NSVS 14739246
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Variability type
EW/KW
Spectral type G1V
Mag. range
10.43 - 11.18 V
Discoverer --
Epoch
11 Jan 2008 (HJD 2454476.6165) Ephemeris
Outburst --
Period 0.316851 d  (7.6044 h)
Rise/eclipse dur. --
Remarks
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1 GCVS Team Min II 11.14. P var. Min I = 2430965.595 + 0.316852d*E (JD2427650 - 31000) [V.P.Zessewitsch, Odessa Izv. 4, Issue 1, 1954.]; Min I = 2433611.3121 + 0.316846d*E (JD2433530 - 615) [General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N. Kholopov et al.]; since JD2440000 - see Table.
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References
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1 Bob Nelson's O-C files, 2016 --
2 M. Kiraga, 2012, Acta Astronomica 62, 67 2012AcA....62...67K
3 S. Deb, H.P. Singh, 2010, arXiv:1011.2574v1 [astro-ph.SR] 2010arXiv1011.2574D
4 S.J.Gettel, M.T.Geske, T.A.McKay, AJ 131, 621, 2006. 2006AJ....131..621G
5 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
6 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1950ApJ...111R.658S
7 CALEB - Catalog and AtLas of Eclipsing Binaries --
8 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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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 = 9.45H = 9.04K = 8.96J - K = 0.49
AllWISE W1 = 8.72W2 = 8.74W3 = 8.68W4 = 8.17W1 - W2 = -0.02W3 - W4 = 0.51
APASS-DR9 B = 11.43V = 10.66g' = 11.06r' = 10.52i' = 10.27B - V = 0.76
GALEX-DR5 FUV = 20.39NUV = 15.64FUV - NUV = 4.75
Images
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Supporting Documents
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Revision History
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3 Admin, VSX 2010-11-13 04:26 UTC Update from [2010arXiv1011.2547D].
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.