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Name
  ASAS J173118-2803.2  
AAVSO UID
--  
Constellation
Ophiuchus Sequence
J2000.0
17 31 17.62 -28 03 08.1  (262.82342 -28.05225) Search nearby
B1950.0 17 28 08.55 -28 00 55.5
Proper motion
RA: 19.7 +/- 2.4 mas/yDec: -12.1 +/- 1.2 mas/ySource: UCAC4
Galactic coord. 359.066 +3.133
Other names

(Internal only)
ADS 10599 ASAS 173118-2803.2 CCDM J17313-2803AB
CD-27 11700 CPD-27 5665 HD 158582
PPM 266957 WDS J17313-2803AB  
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Variability type
EA
Spectral type A9V
Mag. range
9.47 - 9.59 V
Discoverer --
Epoch
01 Mar 2007 (HJD 2454160.884) Ephemeris
Outburst --
Period 1.574695 d
Rise/eclipse dur. 8%  (3.02 h)
Remarks
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1 Otero, Sebastian Alberto Min II= 9.49 V. Visual binary (A= 9.9 V; B= 10.6 V; sep. 1.7"). Range in the table is for the combined magnitude. It is uncertain which component is the eclipsing binary.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 Michigan Catalogue of HD stars, Vol.3 (Houk, 1982) 1982mcts.book.....H
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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 = 8.40H = 8.23K = 8.18J - K = 0.22
AllWISE W1 = 8.05W2 = 8.09W3 = 8.06W4 = 7.90W1 - W2 = -0.03W3 - W4 = 0.16
APASS-DR9 B = 10.03g' = 10.12
Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2014-01-17 04:37 UTC Primary record creation. Type, period, epoch, eclipse duration and range from ASAS-3 data. Spectral type from 1982mcts.book.....H. Tycho-2 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.

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