03256+4531 HO  321

 
 
03h 25m 37.70s +45 30' 56.0" P.A. 33 sep 1.7 mag 7.51,10.36 Sp B7V dist. 699.3 pc (2281.12 l.y.)
 
 
Coord 2000
03256+4531
Discov num
HO  321
Comp
Coord arcsec 2000
03 25 37.70 +45 30 56.0
Date first
1893
Date last
2015
Obs
12
Pa first
36
Pa last
33
P.A. Now (θ)
33°
Sep first
1.5
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
7.51
Mag sec
10.36
delta mag (ΔM)
2.85
Spectral class
B7V (blue-white)
Pri motion ra
+005
Sec motion ra
+010
Pri motion dec
-004
Sec motion dec
-003
Notes
rPM=0.488
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
32.6
Precise sep
1.66
Constellation
Perseus
SAO
38815
HIP
15972
Tycho2
3312-00203-1
HD
21060
BD
BD+44 695
Distance
699.3
Distance ly
2281.12
last precise pa
32.6
last precise sep
1.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03256+4531 HO 321 1991 11 33 1.6 7.51 10.36 B7V D 032537.70+453056.0
03256+4531 HO 321 2015 12 33 1.7 7.51 10.36 B7V 032537.70+453056.0

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