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Name
  ASAS J180010-2353.7  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 00 10.19 -23 53 46.1  (270.04246 -23.89614) Search nearby
B1950.0 17 57 06.87 -23 53 40.0
Proper motion
RA: -0.6 +/- 1.3 mas/yDec: -3.1 +/- 1.3 mas/ySource: UCAC4
Galactic coord. 5.995 -0.241
Other names

(Internal only)
2MASS J18001019-2353463 ALS 4535 ASAS 180010-2353.7
CD-23 13742 CPD-23 6713 GDS_J1800102-235346
HD 313631 LS 4535 TYC 6842-1455-1
[HHR2012] J180010.2-235346    
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Variability type
EA
Spectral type OB
Mag. range
10.46 - 11.01 V
Discoverer --
Epoch
20 Jul 2003 (HJD 2452840.76) Ephemeris
Outburst --
Period 9.9215 d
Rise/eclipse dur. 4%  (10 h)
Remarks
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1 Otero, Sebastian Alberto Eccentric system. Min II= 10.75V at phase 0.565.
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References
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1 M. Haas, M. Hackstein, M. Ramolla, H. Drass, R. Watermann, R. Lemke, R.
Chini, 2012, AN 333, 706
2012AN....333..706H
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Stephenson, C. B.; Sanduleak, N., 1971, Luminous stars in the Southern
Milky Way
1971PW&SO...1....1S
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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 = 9.06H = 8.89K = 8.79J - K = 0.27
AllWISE W1 = 8.73W2 = 8.81W3 = 8.26W1 - W2 = -0.08
APASS-DR9 B = 10.99V = 10.41g' = 10.69r' = 10.23i' = 10.07B - V = 0.58
Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2014-10-03 23:39 UTC Type, period, epoch, eclipse duration and range from ASAS-3 data. Spectral type from 1971PW&SO...1....1S. UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.