21089+0013 BU 837

 
 
21h 08m 52.87s +00° 12' 53.5" P.A. 181.00 sep 3.4 mag 9.03,10.97 Sp G5 dist. 58.82 pc (191.87 l.y.)
 
 
Coord 2000 21089+0013 Discov num BU  837 Comp Coord arcsec 2000 21 08 52.87 +00 12 53.5
Date first 1881 Date last 2016 Obs 20
Pa first 190 Pa last 181 P.A. Now (θ) 181°
Sep first 3.7 Sep last 3.362 Sep. Now (ρ) 3.362"
Mag pri 9.03 Mag sec 10.97 delta mag (ΔM) 1.94 Spectral class G5 (yellow)
Pri motion ra +107 Sec motion ra +108
Pri motion dec -038 Sec motion dec -051
Notes
rPM=0.109 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius HIP 104390 Tycho2 0527-01360-1 Gaia DR2 2690031342830368000
BD BD-00 4170 Distance 58.82 Distance ly 191.87