18138-2850 B 2436 (HD 166855)

 
 
18h 13m 46.61s -28° 49' 37.4" P.A. 277.00 sep 6.8 mag 8.77,12.30 Sp K2/3III
 
 
Coord 2000 18138-2850 Discov num B  2436 Comp Coord arcsec 2000 18 13 46.61 -28 49 37.4
Date first 1930 Date last 1999 Obs 2
Pa first 270 Pa last 276.6 P.A. Now (θ) 276.6°
Sep first 7.0 Sep last 6.82 Sep. Now (ρ) 6.82"
Mag pri 8.77 Mag sec 12.30 delta mag (ΔM) 3.53 Spectral class K2/3III (yellow-orange)
Pri motion ra -009 Sec motion ra
Pri motion dec +018 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166855 Constellation Sagittarius SAO 186494 Tycho2 6855-01332-1
Gaia DR2 4050596889708710912 HD 166855