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Latest Details
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Name
  NSV 20816  
AAVSO UID
000-BCY-217 (232 observations)  
Constellation
Scorpius Sequence
J2000.0
16 54 19.70 -41 49 12.0  (253.58208 -41.82000) Search nearby
B1950.0 16 50 48.84 -41 44 21.2
Proper motion
RA: -0.649 +/- 0.041 mas/yDec: -2.276 +/- 0.031 mas/ySource: Gaia DR1
Galactic coord. 343.487 +1.164
Other names

(Internal only)
AAVSO 1647-41 CD-41 11041 CPD-41 7741
HD 152270 HIP 82706 HR 6265
Hen 3-1274 SAO 227390 WR 79
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Variability type
E:
Spectral type WC6/7+O5/8
Mag. range
6.59 - ? V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team A: SB2, Porb = 8.893; AB: 6.7, 13.3, 4", 312deg.
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References
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1 Ch.L.Perry, G.Hill, D.M.Christodoulou, AsAp Suppl 90, No.2, 195, 1991. 1991A&AS...90..195P
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 = 5.96H = 5.81K = 5.39J - K = 0.57
AllWISE W1 = 5.12W2 = 4.68W3 = 4.17W4 = 3.43W1 - W2 = 0.44W3 - W4 = 0.74
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 16 54 19.70 -41 49 12.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 NGC 6231 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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