18102-7859 HJ 4988 (HD 163963)

 
 
18h 10m 13.77s -78° 59' 12.0" P.A. 117.00 sep 8.9 mag 9.56,9.88 Sp G2V+G2V dist. 108.93 pc (355.33 l.y.)
 
 
Coord 2000 18102-7859 Discov num HJ 4988 Comp Coord arcsec 2000 18 10 13.77 -78 59 12.0
Date first 1835 Date last 2016 Obs 18
Pa first 123 Pa last 117.4 P.A. Now (θ) 117.4°
Sep first 9.2 Sep last 8.932 Sep. Now (ρ) 8.932"
Mag pri 9.56 Mag sec 9.88 delta mag (ΔM) 0.32 Spectral class G2V+G2V (yellow/yellow)
Pri motion ra -011 Sec motion ra -006
Pri motion dec -042 Sec motion dec -051
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.2 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 163963 Constellation Apus SAO 257564 HIP 89030
Tycho2 9453-01318-1 Gaia DR2 6364795156447668736 HD 163963 CP CP-78 1156
Distance 108.93 Distance ly 355.33