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Name
  KO Cen  
AAVSO UID
000-BDK-482 (1 observation)  
Constellation
Centaurus Sequence
J2000.0
13 42 09.02 -64 00 12.7  (205.53758 -64.00353) Search nearby
B1950.0 13 38 37.54 -63 45 04.9
Proper motion
RA: -5.2 +/- 1.7 mas/yDec: -4.0 +/- 1.7 mas/ySource: UCAC4
Galactic coord. 308.455 -1.677
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J13420902-6400126 ASAS J134209-6400.3 ASASSN-V J134209.06-640013.0
GDS_J1342089-640012 GSC 08999-01450 HV 5028
IOMC 8999000040 IRAS 13386-6345  
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Variability type
SRB
Spectral type M7
Mag. range
11.8 - 13.4 V
Discoverer --
Epoch
15 Apr 2003 (HJD 2452745.0) Ephemeris
Outburst --
Period 162.1 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto J-K= 1.70; B-V= 2.0. Other periods 156.3 and 1036 d.
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References
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1 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2014) 2014yCat....102023S
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 H.Shapley, H.H.Swope, HB N885, 1931. 1931BHarO.885...13S
5 H.H.Swope, HB N883, 1931. 1931BHarO.883...23S
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 = 4.78H = 3.50K = 3.08J - K = 1.70
AllWISE W2 = 2.77W3 = 1.91W4 = 1.13W3 - W4 = 0.78
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2014-05-10 00:33 UTC Primary record creation. Type, period, epoch and minimum magnitude from ASAS-3 data. Maximum magnitude from APASS data. Spectral type from Skiff (2014). UCAC4 position.
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.