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Latest Details
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Name
  ASAS J183145-2829.7  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 31 44.17 -28 29 50.7  (277.93404 -28.49742) Search nearby
B1950.0 18 28 34.45 -28 32 01.6
Proper motion
RA: 1.261 +/- 1.897 mas/yDec: -11.140 +/- 1.879 mas/ySource: Gaia DR1
Galactic coord. 5.266 -8.650
Other names

(Internal only)
1RXS J183144.5-282939 ASAS 183145-2829.7 GSC 06869-00898
TYC 6869-898-1 UCAC4 308-235662 [M64] -28 216
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Variability type
EA
Spectral type G5:
Mag. range
10.80 - 11.32 V
Discoverer --
Epoch
26 Aug 2005 (HJD 2453609.41) Ephemeris
Outburst --
Period 6.4057 d
Rise/eclipse dur. 16%  (25 h)
Remarks
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1 Otero, Sebastian Alberto Min II= 11.03 V. ASAS-3 magnitudes partially contaminated by GSC 06869-00391 (V= 11.26; sep. 37"). Range has been corrected.
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References
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1 D.M. Szczygiel, A. Socrates, B. Paczynski, G. Pojmanski, B. Pilecki, 2008,
AcA, 58, 405
2008AcA....58..405S
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 S.W. McCuskey, S. W., 1964, AJ 69, 104 1964AJ.....69..104M
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Location    Go   
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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 = 8.90H = 8.34K = 8.23J - K = 0.67
AllWISE W1 = 7.83W2 = 7.86W3 = 7.81W4 = 7.93W1 - W2 = -0.03W3 - W4 = -0.12
Images
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Supporting Documents
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Revision History
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4 Admin, VSX 2014-05-04 00:01 UTC Spectral type from 1964AJ.....69..104M
3 Otero, Sebastian Alberto 2014-04-23 08:33 UTC Type, period, epoch, eclipse duration and range from ASAS-3 data. UCAC4 position.
2 Admin, VSX 2009-06-19 01:39 UTC Update from [2008AcA....58..405S].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.