02442+3507 HJ  654

 
 
02h 44m 11.48s +35 06' 54.0" P.A. 43 sep 33.1 mag 7.22,11.55 Sp B5 dist. 232.02 pc (756.85 l.y.)
 
 
Coord 2000
02442+3507
Discov num
HJ  654
Comp
Coord arcsec 2000
02 44 11.48 +35 06 54.0
Date first
1827
Date last
2013
Obs
14
Pa first
45
Pa last
43
P.A. Now (θ)
43°
Sep first
30.0
Sep last
33.1
Sep. Now (ρ)
33.1"
Mag pri
7.22
Mag sec
11.55
delta mag (ΔM)
4.33
Spectral class
B5 (blue-white)
Pri motion ra
+011
Sec motion ra
+004
Pri motion dec
-017
Sec motion dec
-001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
55824
HIP
12776
Tycho2
2333-00677-1
HD
16968
BD
BD+34 504
Distance
232.02
Distance ly
756.85
last precise pa
42.9
last precise sep
33.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02442+3507 HJ 654 1999 8 43 33.2 7.30 9.90 B5 D 024411.48+350654.0
02442+3507 HJ 654 2001 10 43 33.2 7.30 9.90 B5 D 024411.48+350654.0
02442+3507 HJ 654 2011 11 43 33.1 7.30 9.90 B5 D 024411.48+350654.0
02442+3507 HJ 654 2013 12 44 33.7 7.22 11.55 B5 024411.48+350654.0

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