02539+3142 HJ  329

 
 
02h 53m 56.38s +31 41' 47.5" P.A. 108 sep 35.4 mag 7.99,12.60 Sp A2 dist. 177.62 pc (579.4 l.y.)
 
 
Coord 2000
02539+3142
Discov num
HJ  329
Comp
Coord arcsec 2000
02 53 56.38 +31 41 47.5
Date first
1827
Date last
2011
Obs
7
Pa first
105
Pa last
108
P.A. Now (θ)
108°
Sep first
18.0
Sep last
35.4
Sep. Now (ρ)
35.4"
Mag pri
7.99
Mag sec
12.60
delta mag (ΔM)
4.61
Spectral class
A2 (white)
Pri motion ra
+003
Sec motion ra
+009
Pri motion dec
-017
Sec motion dec
-022
Notes
rPM=0.329
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.1
Precise sep
35.38
Constellation
Perseus
SAO
55982
HIP
13504
Tycho2
2326-01339-1
HD
17940
BD
BD+31 499
Distance
177.62
Distance ly
579.4
last precise pa
108.1
last precise sep
35.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02539+3142 HJ 329 1997 3 108 35.4 8.20 13.70 A2 D 025356.38+314147.5
02539+3142 HJ 329 2001 5 108 35.3 8.20 13.70 A2 D 025356.38+314147.5
02539+3142 HJ 329 2011 6 108 35.4 8.20 13.70 A2 D 025356.38+314147.5

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