00553+2310 HDS 122 (GP And)

 
 
00h 55m 18.15s +23 09' 49.4" P.A. 109 sep 11.1 mag 10.81,12.53 Sp A3 dist. 94.07 pc (306.86 l.y.)
 
 
Coord 2000
00553+2310
Discov num
HDS 122
Comp
Coord arcsec 2000
00 55 18.15 +23 09 49.4
Date first
1991
Date last
2010
Obs
7
Pa first
110
Pa last
109
P.A. Now (θ)
109°
Sep first
11.1
Sep last
11.1
Sep. Now (ρ)
11.1"
Mag pri
10.81
Mag sec
12.53
delta mag (ΔM)
1.72
Spectral class
A3 (white)
Pri motion ra
+027
Sec motion ra
+032
Pri motion dec
+001
Sec motion dec
-005
Notes
rPM=0.241 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
109.3
Precise sep
11.08
Var name
GP And
Constellation
Andromeda
HIP
4322
Tycho2
1739-01526-1
Distance
94.07
Distance ly
306.86
last precise pa
109.3
last precise sep
11.08
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00553+2310 HDS 122 1998 4 109 11.0 10.81 12.53 A3 D 005518.15+230949.4
00553+2310 HDS 122 2003 5 110 11.1 10.81 12.53 A3 D 005518.15+230949.4
00553+2310 HDS 122 2010 7 109 10.6 10.81 12.53 A3 005518.15+230949.4

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