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
Cdsa2 id
HDS 322
Constellation
Andromeda
SAO
23357
HIP
11478
Tycho2
3307-00751-1
HD
15150
BD
BD+50 555
Ra deg
2.4672805555555555
De deg
50.95536111111112
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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