16579-2737 HJ 4902 (HD 152989)

 
 
16h 57m 53.92s -27° 36' 39.4" P.A. 30.00 sep 11.2 mag 7.89,9.32 Sp A1II-III
 
 
Coord 2000 16579-2737 Discov num HJ 4902 Comp Coord arcsec 2000 16 57 53.92 -27 36 39.4
Date first 1834 Date last 2015 Obs 19
Pa first 32 Pa last 29.5 P.A. Now (θ) 29.5°
Sep first 12.0 Sep last 11.214 Sep. Now (ρ) 11.214"
Mag pri 7.89 Mag sec 9.32 delta mag (ΔM) 1.43 Spectral class A1II-III (white)
Pri motion ra -016 Sec motion ra -011
Pri motion dec -031 Sec motion dec -023
Notes
rPM=0.27 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 152989 Constellation Ophiuchus SAO 184838 Tycho2 6818-01860-1
Gaia DR2 6033260858500218752 HD 152989