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Name
  eta Cen  
AAVSO UID
000-BBV-548 (46 observations)  
Constellation
Centaurus Sequence
J2000.0
14 35 30.42 -42 09 28.1  (218.87675 -42.15781) Search nearby
B1950.0 14 32 19.35 -41 56 21.9
Proper motion
RA: -34.73 +/- 0.23 mas/yDec: -32.72 +/- 0.18 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 322.774 +16.669
Other names

(Internal only)
AAVSO 1429-41 CD-41 8917 CPD-41 6839
HD 127972 HD 127973 HIP 71352
HR 5440 MWC 232 SAO 225044
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Variability type
GCAS+LERI
Spectral type B1Vn+A
Mag. range
2.29 - 2.47 V
Discoverer --
Epoch
01 Sep 1991 (HJD 2448500.7246) Ephemeris
Outburst --
Period 0.64247 d  (15.419 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Range in b = 2.15 - 2.40 in 1989A&AS...81..151C where period is considered to be 3 times the value given here with a triple wave. Also periods of 0.577 and 0.565 d. in 2003A&A...411..229R
2 GCVS Team VB A (B 13.5m, 5.6", 270deg, 1897); SB?
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References
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1 Non-radially pulsating Be stars 2003A&A...411..229R
2 The Hipparcos and Tycho Catalogues, Variability Annex: Periodic variables,
1997
1997HIP...C......0E
3 A.W.J.Cousins, ROA N7, 1971. 1971ROAn....7.....C
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 = 2.75H = 2.78K = 2.75J - K = -0.00
AllWISE W3 = 2.13W4 = 1.37W3 - W4 = 0.76
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2012-03-15 20:59 UTC Range from GCPD, Hipparcos and GCPD data. Type and period from 2003A&A...411..229R data. Period refined with Hipparcos data.
3 Admin, VSX 2012-03-14 23:47 UTC Update from [1997HIP...C......0E].
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.