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Latest Details
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Name
  NSV 8027  
AAVSO UID
--  
Constellation
Scorpius Sequence
J2000.0
16 54 32.00 -41 48 18.9  (253.63333 -41.80525) Search nearby
B1950.0 16 51 01.17 -41 43 29.1
Proper motion
RA: -2.6 +/- 1.8 mas/yDec: -1.2 +/- 2.4 mas/ySource: UCAC4
Galactic coord. 343.523 +1.143
Other names

(Internal only)
2MASS J16543201-4148187 ALS 3817 ASAS J165432-4148.3
CD-41 11050 CPD-41 7749 GSC 07876-01997
HD 152314 B LS 3817 NGC 6231 161
NGC 6231 BVF 8 NGC 6231 SBL 615 NGC 6231 SS 156
PPM 322370 SAO 227400 TYC 7876-1997-1
Trumpler 24 102    
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Variability type
GCAS:
Spectral type O8.5V+B1/3V
Mag. range
7.75 - 7.92 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto 3700 d. SB2 binary. Additional companions at 3.2" and 3.5". ASAS-3 magnitudes contaminated by GSC 07876-02153 (V= 11.81; sep. 18") and GSC 07876-02453 (V= 11.13; sep. 23"). Range has been corrected.
2 GCVS Team In Cl NGC 6231.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Sana, H.; et al., 2014, Southern Massive Stars at High Angular Resolution:
Observational Campaign and Companion Detection
2014ApJS..215...15S
2 Sung, H.; Sana, H.; Bessell, M. S., 2013, The Initial Mass Function and the
Surface Density Profile of NGC 6231
2013AJ....145...37S
3 Gudennavar, S. B.; et al., 2012, A Compilation of Interstellar Column
Densities
2012ApJS..199....8G
4 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
5 A.Feinstein, O.E.Ferrer, PASP 80, 410, 1968. 1968PASP...80..410F
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 = 7.29H = 7.24K = 7.13J - K = 0.16
AllWISE W1 = 6.77W2 = 6.72W3 = 6.35W4 = 5.59W1 - W2 = 0.05W3 - W4 = 0.76
APASS-DR9 B = 8.04V = 7.91B - V = 0.13
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 16 54 32.00 -41 48 18.9 (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.
3 Otero, Sebastian Alberto 2016-04-02 21:21 UTC Spectral type from 2012ApJS..199....8G. Remarks from 2014ApJS..215...15S. Type and minimum magnitude from ASAS-3 and GCPD data. Maximum magnitude from 2013AJ....145...37S.
2 Admin, VSX 2011-11-29 06:01 UTC Position updated from NSV version of October 2011.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.