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Name
GT Mus
AAVSO UID
Constellation
J2000.0
B1950.0
11 37 09.78 -65 07 13.8
Proper motion
Galactic coord.
295.532 -3.565
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J113929.4-652352
2MASS J11392960-6523519
AAVSO 1134-64
CD-64 554
CPD-64 1685
HD 101379
HD 101380
HIP 56862
HR 4492
IRAS 11371-6507
NSV 5283
SAO 251522
TIC 320855910
TYC 8980-2292-1
UCAC4 124-048041
X 11372-651
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Variability type
EA/DM+RS
Spectral type
(A0V+A2V)+(G5/8III+F:)
Mag. range
4.96 - 5.23 V
Discoverer
--
Epoch
Outburst
--
Period
2.75459 d
Rise/eclipse dur.
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Remarks
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1
Otero, Sebastian Alberto
Quadruple system. Combined magnitude given. Period given is for the eclipsing A0V+A2V spectroscopic binary HD 101380 (V= 6.4), . Eclipses are 0.1 mag. deep in the combined light.
HD 101379 is separated by 0".23 from the eclipser and is a RS CVn system with a rotational period of 61.488 d (photometric period for the spots between 63.5 and 68.5 d. V= 5.30 - 5.64) and an activity cycle of 4.5 years.
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References
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1
C. Koen, L. Eyer, 2002, MNRAS 331, 45
2002MNRAS.331...45K
2
A photometric and orbital analysis of GT MUSCAE, Murdoch, K.A. et al.,
1995MNRAS.276..836
3
T.Lloyd Evans, M.C.J.Koen, SAAO Circ No.11,21,1987.
1987SAAOC..11...21L
4
F.M.Bateson, A.F.Jones, I.Stranson, Charts for Southern Variables,
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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 = 3.36 H = 2.71 K = 2.47 J - K = 0.89
Images
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Supporting Documents
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Revision History
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3
Admin, VSX
2010-01-05 04:43 UTC
Position updated from the GCVS version of November 2009.
2
Otero, Sebastian Alberto
2006-08-06 19:26 UTC
Description of the different types of variability in a quadruple system.
1
Admin, VSX
2005-12-18 01:33 UTC
Initial database population.
