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Latest Details
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Name
  Y Cen  
AAVSO UID
000-BCV-261 (136 observations)  
Constellation
Centaurus Sequence
J2000.0
14 30 58.62 -30 05 51.9  (217.74425 -30.09775) Search nearby
B1950.0 14 28 01.64 -29 52 34.1
Proper motion
RA: -39.66 +/- 1.69 mas/yDec: -25.92 +/- 0.74 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 327.288 +28.024
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1425-29 ASAS J143059-3005.9 ASASSN-V J143058.70-300553.2
CD-29 11116 CPD-29 3989 HD 127233
HIP 70969 HV 52 IRC -30222
RAFGL 1715 SAO 182618  
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Variability type
SRB
Spectral type M4e-M7
Mag. range
8.0 - 9.1 V
Discoverer Williamina Fleming (1895)
Epoch
25 Nov 2001 (HJD 2452239.1) Ephemeris
Outburst --
Period 136.9 d
Rise/eclipse dur. --
Remarks
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References
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1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
2 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 C.Payne-Gaposchkin, HA 115, N14, 1950. 1952AnHar.115..173P
5 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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 = 0.82H = -0.22K = -0.59J - K = 1.42
AllWISE W3 = -1.12W4 = -1.98W3 - W4 = 0.85
APASS-DR9 B = 10.18V = 8.47g' = 9.83r' = 7.34B - V = 1.72
Images
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Supporting Documents
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Revision History
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5 Fernig, Leo 2022-04-22 13:32 UTC Discoverer updated from 1907AnHar..55....1C page 17
4 Otero, Sebastian Alberto 2020-05-24 18:54 UTC Type, period and range from the GCVS (November 2019 version).
3 Otero, Sebastian Alberto 2018-06-11 00:12 UTC Primary record creation.
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.