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Latest Details
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Name
  HD 166286  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 10 33.57 -16 44 57.5  (272.63988 -16.74931) Search nearby
B1950.0 18 07 39.74 -16 45 37.3
Proper motion
RA: 0.470 +/- 0.493 mas/yDec: 0.049 +/- 0.552 mas/ySource: Gaia DR1
Galactic coord. 13.419 +1.134
Other names

(Internal only)
ALS 4724 ASAS J181034-1645.0 BD-16 4736
Hilt 709 LS 4724 MCW 608
PPM 234130 SAO 161139 WDS J18106-1645A
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Variability type
EA
Spectral type B0.5III
Mag. range
8.23 - 8.45 V
Discoverer --
Epoch
15 Nov 2007 (HJD 2454420.08) Ephemeris
Outburst --
Period 7.80715 d
Rise/eclipse dur. 6%  (11.2 h)
Remarks
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1 Otero, Sebastian Alberto Eccentric system. Min II= 8.36V at phase 0.69. Visual multiple. A= 8.23-8.45V; B= 9.73V (B2IV:; sep. 19"); C= 8.61V (B2V; sep. 29"). ASAS-3 magnitudes have been corrected.
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References
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1 K.T. Wraight, G.J. White, D. Bewsher, A.J. Norton, 2011, MNRAS 416, 2477 2011MNRAS.416.2477W
2 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
3 Abt, H. A.; Corbally, C. J., 2000, The Maximum Age of Trapezium Systems 2000ApJ...541..841A
External Links
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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 = 7.60H = 7.55K = 7.51J - K = 0.08
AllWISE W1 = 7.47W2 = 7.52W3 = 7.46W4 = 6.40W1 - W2 = -0.04W3 - W4 = 1.06
APASS-DR9 B = 8.44V = 8.17g' = 8.28r' = 8.21i' = 8.29B - V = 0.27
Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2014-10-03 22:32 UTC Period and eclipse duration from ASAS-3 data. Range from GCPD and ASAS-3 data. Spectral type from 2000ApJ...541..841A. Tycho-2 position.
1 Admin, VSX 2012-06-07 00:56 UTC Preserved original object data.