02178+5638 A  1272 (V438 Per)

 
 
02h 17m 46.34s +56 38' 29.1" P.A. 24 sep 1.2 mag 8.60,9.90 Sp B5Ib dist. 819.67 pc (2673.76 l.y.)
 
 
Coord 2000
02178+5638
Discov num
A  1272
Comp
Coord arcsec 2000
02 17 46.34 +56 38 29.1
Date first
1906
Date last
2015
Obs
9
Pa first
25
Pa last
24
P.A. Now (θ)
24°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
8.60
Mag sec
9.90
delta mag (ΔM)
1.3
Spectral class
B5Ib (blue-white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-002
Sec motion dec
-002
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
23.7
Precise sep
1.17
Var name
V438 Per
Constellation
Perseus
SAO
23138
HIP
10704
Tycho2
3694-03314-1
HD
13970
BD
BD+55 564
Distance
819.67
Distance ly
2673.76
last precise pa
23.7
last precise sep
1.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02178+5638 A 1272 2001 8 24 1.2 8.60 9.90 B5Ib D 021746.34+563829.1
02178+5638 A 1272 2015 9 24 1.2 8.60 9.90 B5Ib N 021746.34+563829.1

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