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Name
  T Lib  
AAVSO UID
000-BBV-921 (3851 observations)  
Constellation
Libra Sequence
J2000.0
15 10 44.36 -20 01 08.6  (227.68483 -20.01906) Search nearby
B1950.0 15 07 52.84 -19 49 49.3
Proper motion
RA: -4.4 +/- 1.2 mas/yDec: -0.1 +/- 1.3 mas/ySource: UCAC4
Galactic coord. 342.197 +32.029
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J15104436-2001086 AAVSO 1505-19 ASAS J151044-2001.2
BD-19 4041 IRAS 15078-1949 NSVS J1510441-200106
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Variability type
M
Spectral type M4e-M5.5e
Mag. range
10.2 - 16.8: V
Discoverer --
Epoch
25 May 2001 (HJD 2452055.0) Ephemeris
Outburst --
Period 237.5 d
Rise/eclipse dur. 41%
Remarks
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References
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1 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 T. Karlsson, Maxima of Mira stars --
4 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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 = 7.18H = 6.37K = 5.88J - K = 1.29
AllWISE W1 = 5.42W2 = 4.96W3 = 4.48W4 = 3.89W1 - W2 = 0.46W3 - W4 = 0.59
APASS-DR9 B = 14.32V = 13.11g' = 13.52r' = 12.07i' = 10.54B - V = 1.21
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2012-07-09 22:53 UTC Primary record creation. Epoch from ASAS-3 data. Minimum magnitude from AAVSO V-data. UCAC3 position.
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.