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Name
  MU Cen  
AAVSO UID
000-BCV-294 (13220 observations)  
Constellation
Centaurus Sequence
J2000.0
12 12 53.87 -44 28 16.0  (183.22446 -44.47111) Search nearby
B1950.0 12 10 16.97 -44 11 35.2
Proper motion
RA: -26.9 +/- 2.8 mas/yDec: 4.0 +/- 3.9 mas/ySource: UCAC4
Galactic coord. 295.723 +17.861
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1207-43 Downes MU Cen  
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Variability type
UGSS
Spectral type pec(UG)+K3-5V
Mag. range
11.8 - 15.0 V
Discoverer --
Epoch
08 Jun 2015 (HJD 2457182.459) Ephemeris
Outburst --
Period 0.341883 d  (8.2052 h)
Rise/eclipse dur. --
Remarks
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1 Billiaert, Bruno Ellipsoidal variations with an amplitude of 0.20 mag. Also unexplained secondary period of 0.178692 d. with an amplitude of 0.07 mag.
2 Otero, Sebastian Alberto GCVS outburst cycle 44.9 d.
3 Waagen, Elizabeth O. This star is M-U Cen (not Greel-letter mu Cen).
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References
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1 Bruch, A., 2016, Photometry of the long period dwarf nova MU Centauri 2016NewA...46...60B
2 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
3 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
4 N.Vogt, F.M.Bateson, AsAp Suppl 48, N3, 383, 1982. 1982A&AS...48..383V
5 F.M.Bateson, NZAS Publ N4, 29, 1976. --
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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 = 13.03H = 12.52K = 12.29J - K = 0.74
AllWISE W1 = 12.24W2 = 12.18W3 = 12.07W1 - W2 = 0.06
APASS-DR9 B = 14.53V = 14.06g' = 14.22r' = 13.87i' = 13.72B - V = 0.47
Images
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Supporting Documents
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Campaigns/Programs
 Legacy CVs
Revision History
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4 Billiaert, Bruno 2016-02-03 19:54 UTC Period and epoch from 2016NewA...46...60B.
3 Otero, Sebastian Alberto 2011-04-26 15:44 UTC Primary record creation. Orbital period from Downes (2001). Spectral type from Ritter and Kolb (2010, 2003A&A...404..301R)
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.