AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  NSV 20826  
AAVSO UID
--  
Constellation
Scorpius Sequence
J2000.0
16 54 42.31 -45 15 14.9  (253.67629 -45.25414) Search nearby
B1950.0 16 51 04.19 -45 10 25.9
Proper motion
RA: -11.7 +/- 4.9 mas/yDec: 7.3 +/- 7.2 mas/ySource: UCAC4
Galactic coord. 340.863 -1.052
Other names

(Internal only)
2MASS J16544230-4515149 ALS 3815 CCDM J16547-4515A
CD-45 11051 CD-45 11051A HD 329100 A
IDS 16474-4505 A LS 3815 TYC 8327-1030-1
WDS J16547-4515A    
(Not logged in)  Add name
Variability type
CST
Spectral type O8V(n)
Mag. range
11.14 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 13.0 Vmag. early B-type companion 4" away. Range has been corrected.
2 GCVS Team Faint companion.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Maíz Apellániz, J.; Sota, A.; Arias, J. I.; et al., 2016, The Galactic
O-Star Spectroscopic Survey (GOSSS). III. 142 Additional O-type Systems.
2016ApJS..224....4M
2 J.S.Drilling, ApJ Suppl 76, No. 3, 1033, 1991. 1991ApJS...76.1033D
3 C.B.Stephenson, N.Sanduleak, Warner and Swasey Publ 1, No.1, 1971. 1971PW&SO...1....1S
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.
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 = 9.05H = 8.84K = 8.71J - K = 0.34
AllWISE W1 = 8.38W2 = 8.41W4 = 2.19W1 - W2 = -0.03
APASS-DR9 B = 11.94V = 11.02g' = 11.48r' = 10.68i' = 10.23B - V = 0.93
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
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 2018-07-10 09:33 UTC Spectral type from 2016ApJS..224....4M. Type and magnitude from ASAS-3, APASS and Gaia DR2. Gaia DR2 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.