00220+4213 HJ 1021

 
 
00H 21M 57.78S +42 12' 34.8" P.A. 247 SEP 6 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
2015
Obs
13
Pa first
247
Pa last
247
P.A. Now (θ)
247°
Sep first
4.0
Sep last
6.0
Sep. Now (ρ)
6"
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
SAO
36300
Tycho2
2791-02276-1
last precise pa
247.1
last precise sep
6.016