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Name
  NSV 20771  
AAVSO UID
--  
Constellation
Scorpius Sequence
J2000.0
16 47 51.43 -41 58 41.7  (251.96429 -41.97825) Search nearby
B1950.0 16 44 20.79 -41 53 23.9
Proper motion
RA: -3.163 +/- 1.758 mas/yDec: -3.295 +/- 1.460 mas/ySource: Gaia DR1
Galactic coord. 342.597 +1.991
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
ALS 3757 ASAS J164751-4158.7 ASASSN-V J164751.49-415842.6
CD-41 10891 CPD-41 7628 GDS_J1647514-415841
GSC 07875-00125 HD 326040 LS 3757
TYC 7875-125-1    
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Variability type
EA
Spectral type B2V
Mag. range
10.06 - 10.43 V
Discoverer --
Epoch
23 Jan 2001 (HJD 2451933.046) Ephemeris
Outburst --
Period 2.03661 d
Rise/eclipse dur. 14%  (6.8 h)
Remarks
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1 Otero, Sebastian Alberto Eccentric system with fast apsidal motion. Elements in the table are for Min I (HJD 2451933.046 + 2.03661 x E). Min II = 10.28 V. Elements for Min II = HJD 2451931.888 + 2.03672 x E. Min II duration 10%. B-V= 0.30; U-B= -0.50; J-K= 0.14.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 W.A.Sherwood, J.Dachs, AsAp 48, No.2, 187, 1976. 1976A&A....48..187S
3 C.B.Stephenson, N.Sanduleak, Warner and Swasey Publ 1, No.1, 1971. 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 = 9.31H = 9.19K = 9.17J - K = 0.14
AllWISE W1 = 9.07W2 = 9.14W3 = 9.20W1 - W2 = -0.06
APASS-DR9 B = 10.36V = 10.07g' = 10.11r' = 10.00i' = 10.04B - V = 0.29
Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2014-05-14 22:12 UTC Primary record creation. Type, period, epoch, eclipse duration and range from ASAS-3 data. UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.