02280+5057 HDS 322

 
 
02h 28m 02.21s +50 57' 19.3" P.A. 330 sep 0.3 mag 8.90,11.48 Sp F5 dist. 241.55 pc (787.94 l.y.)
 
 
Coord 2000
02280+5057
Discov num
HDS 322
Comp
Coord arcsec 2000
02 28 02.21 +50 57 19.3
Date first
1991
Date last
2011
Obs
8
Pa first
332
Pa last
330
P.A. Now (θ)
330°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
8.90
Mag sec
11.48
delta mag (ΔM)
2.58
Spectral class
F5 (yellow-white)
Pri motion ra
+025
Sec motion ra
Pri motion dec
-023
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
330.2
Precise sep
0.337
Constellation
Andromeda
SAO
23357
HIP
11478
Tycho2
3307-00751-1
HD
15150
BD
BD+50 555
Distance
241.55
Distance ly
787.94
last precise pa
330.2
last precise sep
0.337
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02280+5057 HDS 322 1991 1 332 0.3 8.90 11.48 F5 022802.21+505719.3
02280+5057 HDS 322 2009 2 331 0.3 8.90 11.48 F5 D 022802.21+505719.3
02280+5057 HDS 322 2011 8 330 0.3 8.90 11.48 F5 022802.21+505719.3

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