04220+3956 BU 310

 
 
04h 22m 00.26s +39° 56' 03.3" P.A. 173.00 sep 18.9 mag 7.10,12.62 Sp F8 dist. 54.56 pc (177.97 l.y.)
 
 
Coord 2000 04220+3956 Discov num BU  310 Comp Coord arcsec 2000 04 22 00.26 +39 56 03.3
Date first 1874 Date last 2016 Obs 15
Pa first 180 Pa last 172.8 P.A. Now (θ) 172.8°
Sep first 10.0 Sep last 18.919 Sep. Now (ρ) 18.919"
Mag pri 7.10 Mag sec 12.62 delta mag (ΔM) 5.52 Spectral class F8 (yellow-white)
Pri motion ra -023 Sec motion ra -024
Pri motion dec -117 Sec motion dec -134
Notes
rPM=0.125 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus SAO 57186 HIP 20395 Tycho2 2883-01006-1
Gaia DR2 227589290522957440 HD 27495 GC 5272 ADS 3155
BD BD+39 980 Distance 54.56 Distance ly 177.97