00220+4213 HJ 1021

 
 
00h 21m 57.78s +42 12' 34.8" P.A. 246.00 sep 6.2 mag 9.68,10.10 Sp A2
 
 
Coord 2000 00220+4213 Discov num HJ 1021 Comp Coord arcsec 2000 00 21 57.78 +42 12 34.8
Date first 1828 Date last 2017 Obs 18
Pa first 247 Pa last 245.6 P.A. Now (θ) 245.6°
Sep first 4.0 Sep last 6.16 Sep. Now (ρ) 6.16"
Mag pri 9.68 Mag sec 10.10 delta mag (ΔM) 0.42 Spectral class A2 (white)
Pri motion ra +009 Sec motion ra +009
Pri motion dec -003 Sec motion dec -006
Notes
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda Tycho2 2791-02276-1 Gaia DR2 385071683834444672