03378+4046 COU1517 (AB Per)

 
 
03h 37m 45.20s +40 45' 49.3" P.A. 254 sep 0.2 mag 10.28,10.81 Sp A5 dist. 201.61 pc (657.65 l.y.)
 
 
Coord 2000
03378+4046
Discov num
COU1517
Comp
Coord arcsec 2000
03 37 45.20 +40 45 49.3
Date first
1977
Date last
2011
Obs
7
Pa first
266
Pa last
254
P.A. Now (θ)
254°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
10.28
Mag sec
10.81
delta mag (ΔM)
0.53
Spectral class
A5 (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
AB Per
Constellation
Perseus
HIP
16920
Tycho2
2866-00842-1
HD
275604
BD
BD+40 798
Distance
201.61
Distance ly
657.65
last precise pa
253.7
last precise sep
0.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03378+4046 COU1517 1991 5 267 0.2 10.28 10.81 A5 N 033745.20+404549.3
03378+4046 COU1517 2011 7 254 0.2 10.28 10.81 A5 N 033745.20+404549.3

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