AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Details for Revision 1
Log in to retrieve additional aliases from SIMBAD.
Name
  NSV 20870  
AAVSO UID
--  
Constellation
Scorpius Sequence
J2000.0
16 58 55.40 -40 14 34.0  (254.73083 -40.24278) Search nearby
B1950.0 16 55 27.31 -40 10 02.7
Galactic coord. 345.261 +1.473
Other names

(Internal only)
2MASS J16585538-4014333 ALS 3873 ASAS J165855-4014.6
CD-40 11035 CPD-40 7677 Cl Trumpler 24 430
GSC 07872-01262 HD 322417 LS 3873
TYC 7872-1262-1    
(Not logged in)  Add name
Variability type --
Spectral type O6III(f)
Mag. range
10.12 - ? 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 Long-term mean magnitude brightening in ASAS-3 data. Spectroscopic companion with P= 223 d. Five faint companions with separations from 0.7" to 6.6" (2014ApJS..215...15S).
2 GCVS Team Var according to large scatter from different sources of photometry.
(Not logged in)  Add remark
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 Sota, A.; et al., 2014, The Galactic O-Star Spectroscopic Survey (GOSSS).
II. Bright Southern Stars
2014ApJS..211...10S
3 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
4 Ch.L.Perry, G.Hill, D.M.Christodoulou, AsAp Suppl 90, No.2, 195, 1991. 1991A&AS...90..195P
5 A.J.Cannon, M.W.Mayall, HA Vol.112, 1949. 1949AnHar.112....1C
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Otero, Sebastian Alberto 2016-04-02 22:11 UTC Remark from 2014ApJS..215...15S. Range from ASAS-3 and GCPD data. Spectral type from 2014ApJS..211...10S. UCAC4 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.