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  DY Cen  
000-BCV-291 (7710 observations)  
Centaurus Sequence
13 25 34.01 -54 14 43.5  (201.39171 -54.24542) Search nearby
B1950.0 13 22 27.21 -53 59 08.0
Proper motion
RA: -4.0 +/- 3.1 mas/yDec: 2.7 +/- 3.1 mas/ySource: UCAC4
Galactic coord. 307.958 +8.293
Other names

(Internal only)
2MASS J13253407-5414431 AAVSO 1319-53 HV 4749
WISE J132534.08-541443.0    
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Variability type
Spectral type pec
Mag. range
12.0 - <16.4 p
Discoverer --
Outburst --
Period --
Rise/eclipse dur. --
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1 Otero, Sebastian Alberto It evolved in one century from a normal RCB to a hot RCB and currently to a extreme Helium star with no deep minima since 1934 (2016MNRAS.460.1233S). Currently mean V mag. is V= 13.4 (2018).
2 GCVS Team All spectral lines are very weak. No IR excess. The photometric behaviour outside major Min is described in [F.M.Bateson, NZAS Publ N6 (C 78), 39, 1978.].
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1 Schaefer, B. E., 2016, All known hot RCB stars are fading fast over the
last century
2 D.Hoffleit, HB N874, 1930. 1930BHarO.874...13H
3 F.M.Bateson, A.F.Jones, Charts for Southern Variables, ser.II, 1960. --
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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 = 12.18H = 11.97K = 11.56J - K = 0.62
AllWISE W1 = 10.44W2 = 9.17W3 = 4.14W4 = 2.35W1 - W2 = 1.27W3 - W4 = 1.79
APASS-DR9 B = 13.51V = 13.16g' = 13.27r' = 13.07i' = 13.04B - V = 0.35
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2018-08-03 21:56 UTC Remark from 2016MNRAS.460.1233S.
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.