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Name
  NSV 20805  
AAVSO UID
--  
Constellation
Scorpius Sequence
J2000.0
16 54 05.08 -41 50 06.9  (253.52117 -41.83525) Search nearby
B1950.0 16 50 34.21 -41 45 15.2
Proper motion
RA: -1.2 +/- 1.9 mas/yDec: -1.0 +/- 1.5 mas/ySource: UCAC4
Galactic coord. 343.447 +1.189
Other names

(Internal only)
2MASS J16540508-4150069 ALS 16062 CD-41 11030
CPD-41 7719 GSC 07876-02518 NGC 6231 272
NGC 6231 BVF 19 NGC 6231 MG 159 NGC 6231 SAAO 105
NGC 6231 SBL 334    
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Variability type
EA
Spectral type B1V
Mag. range
9.43 - 9.48 V
Discoverer --
Epoch
16 Jun 1994 (HJD 2449519.64)
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team P ~ 1.6d.
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References
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1 L.A.Balona, C.D.Laney, MN 276, No.2, 627, 1995. 1995MNRAS.276..627B
2 Jaschek, M., 1978, Catalogue of selected spectral types in the MK system 1978BICDS..15..121J
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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 = 9.11H = 9.06K = 9.08J - K = 0.03
AllWISE W1 = 9.08W2 = 9.17W3 = 9.19W1 - W2 = -0.09
APASS-DR9
Images
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Supporting Documents
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Stellar Association Membership
 NGC 6231 Open Cluster 2012A&A...548A..97Z
Revision History
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2 Otero, Sebastian Alberto 2016-01-27 10:52 UTC Maximum magnitude from GCPD data. Type, epoch and amplitude from 1995MNRAS.276..627B. Spectral type from 1978BICDS..15..121J. UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.