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Latest Details
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Name
  NSV 20830  
AAVSO UID
--  
Constellation
Scorpius Sequence
J2000.0
16 54 50.41 -40 45 32.6  (253.71005 -40.75906) Search nearby
B1950.0 16 51 21.62 -40 40 44.1
Proper motion
RA: -3.2 +/- 1.9 mas/yDec: -1.6 +/- 3.5 mas/ySource: UCAC4
Galactic coord. 344.372 +1.757
Other names

(Internal only)
ASASSN-V J165450.34-404531.4 CPD-40 7592 HD 322277
SAO 227420    
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Variability type --
Spectral type B2IV/V
Mag. range
9.52 - ? V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team Var according to large scatter from different sources of photometry [Ch.L.Perry, G.Hill, D.M.Christodoulou, AsAp Suppl 90, No.2, 195, 1991.].
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Ch.L.Perry, G.Hill, D.M.Christodoulou, AsAp Suppl 90, No.2, 195, 1991. 1991A&AS...90..195P
2 A.J.Cannon, M.W.Mayall, HA Vol.112, 1949. 1949AnHar.112....1C
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 = 9.29H = 9.24K = 9.22J - K = 0.07
AllWISE W1 = 9.23W2 = 9.28W3 = 9.29W4 = 7.84W1 - W2 = -0.05W3 - W4 = 1.45
APASS-DR9 B = 9.54V = 9.47g' = 9.41r' = 9.55i' = 9.74B - V = 0.07
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 16 54 50.41 -40 45 32.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 ESO 332 08 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Otero, Sebastian Alberto 2020-06-09 02:28 UTC Gaia DR2 position.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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