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Latest Details
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Name
  V1081 Sco  
AAVSO UID
000-BBZ-056 (15 observations)  
Constellation
Scorpius Sequence
J2000.0
17 29 12.92 -31 32 03.4  (262.30383 -31.53428) Search nearby
B1950.0 17 25 58.63 -31 29 42.1
Proper motion
RA: 0.73 +/- 1.03 mas/yDec: -1.35 +/- 0.38 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 355.907 +1.596
Other names

(Internal only)
AAVSO 1722-31B ASASSN-V J172912.91-313201.9 CD-31 14091
CPD-31 4739 HD 158186 HIP 85569
SAO 208869    
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Variability type
EA
Spectral type O9.2V+B1:V
Mag. range
6.98 - 7.11 V
Discoverer --
Epoch
29 Jan 1990 (HJD 2447920.528) Ephemeris
Outburst --
Period 2.513741 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto SB3, the third component probably causing the apsidal motion. Also fainter companions 1".8, 5".0, and 6".7 (2014ApJS..215...15S).
2 2005IBVS.5631....1O Min II = 7.05V. Apsidal motion system.
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References
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1 Maíz Apellániz, J.; Sota, A.; Arias, J. I.; et al., 2016, The Galactic
O-Star Spectroscopic Survey (GOSSS). III. 142 Additional O-type Systems.
2016ApJS..224....4M
2 Sana, H.; et al., 2014, Southern Massive Stars at High Angular Resolution:
Observational Campaign and Companion Detection
2014ApJS..215...15S
3 S.A.Otero, IBVS N5631, 2005. 2005IBVS.5631....1O
External Links
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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 = 6.86H = 6.89K = 6.91J - K = -0.05
AllWISE W1 = 6.58W2 = 6.94W3 = 7.11W4 = 7.03W1 - W2 = -0.36W3 - W4 = 0.09
APASS-DR9
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 17 29 12.92 -31 32 03.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 Antalova 1 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2018-07-10 08:10 UTC Spectral type from 2016ApJS..224....4M.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:54 UTC Update from [2005IBVS.5631....1O].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.