18439-1954 STN 44 (HD 172987)

 
 
18h 43m 56.52s -19° 53' 29.9" P.A. 316.00 sep 1.6 mag 9.05,9.13 Sp K0V
 
 
Coord 2000 18439-1954 Discov num STN  44 Comp Coord arcsec 2000 18 43 56.52 -19 53 29.9
Date first 1877 Date last 2017 Obs 36
Pa first 285 Pa last 315.5 P.A. Now (θ) 315.5°
Sep first 1.7 Sep last 1.606 Sep. Now (ρ) 1.606"
Mag pri 9.05 Mag sec 9.13 delta mag (ΔM) 0.08 Spectral class K0V (yellow-orange)
Pri motion ra +063 Sec motion ra +063
Pri motion dec -016 Sec motion dec -016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172987 Constellation Sagittarius SAO 161773 Tycho2 6288-00925-2
Gaia DR2 4080221546859834624 HD 172987