02455+5727 SCA   4

 
 
02h 45m 31.35s +57 27' 27.0" P.A. 224 sep 24.8 mag 9.94,12.77 Sp B3
 
 
Coord 2000
02455+5727
Discov num
SCA   4
Comp
Coord arcsec 2000
02 45 31.35 +57 27 27.0
Date first
1911
Date last
2010
Obs
8
Pa first
222
Pa last
224
P.A. Now (θ)
224°
Sep first
22.9
Sep last
24.8
Sep. Now (ρ)
24.8"
Mag pri
9.94
Mag sec
12.77
delta mag (ΔM)
2.83
Spectral class
B3 (blue-white)
Pri motion ra
+002
Sec motion ra
-017
Pri motion dec
-005
Sec motion dec
-013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
23589
Tycho2
3708-00431-1
HD
236996
last precise pa
224
last precise sep
24.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02455+5727 SCA 4 1999 5 224 24.7 9.94 13.40 D 024531.35+572727.0
02455+5727 SCA 4 2003 7 223 24.2 9.94 13.40 D 024531.35+572727.0
02455+5727 SCA 4 2010 8 224 24.8 9.94 12.77 B3 024531.35+572727.0

If you need more information about this double, apply for a data request form to the WDS.