02301+5640 A   822

 
 
02h 30m 05.02s +56 40' 24.7" P.A. 301 sep 4 mag 8.02,14.60 Sp A0II dist. 273.97 pc (893.69 l.y.)
 
 
Coord 2000
02301+5640
Discov num
A   822
Comp
Coord arcsec 2000
02 30 05.02 +56 40 24.7
Date first
1904
Date last
2015
Obs
5
Pa first
299
Pa last
301
P.A. Now (θ)
301°
Sep first
4.0
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
8.02
Mag sec
14.60
delta mag (ΔM)
6.58
Spectral class
A0II (white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
300.8
Precise sep
4
Constellation
Perseus
SAO
23379
HIP
11631
Tycho2
3695-01843-1
HD
15332
BD
BD+56 637
Distance
273.97
Distance ly
893.69
last precise pa
300.8
last precise sep
4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02301+5640 A 822 1954 4 299 4.0 8.10 14.60 A0II 023005.02+564024.7
02301+5640 A 822 2015 5 301 4.0 8.02 14.60 A0II 023005.02+564024.7

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