02428+4249 HJ 2155

 
 
02h 42m 45.74s +42 49' 13.0" P.A. 322 sep 17.4 mag 8.26,10.27 Sp B9III
 
 
Coord 2000
02428+4249
Discov num
HJ 2155
Comp
Coord arcsec 2000
02 42 45.74 +42 49 13.0
Date first
1831
Date last
2010
Obs
12
Pa first
321
Pa last
322
P.A. Now (θ)
322°
Sep first
15.0
Sep last
17.4
Sep. Now (ρ)
17.4"
Mag pri
8.26
Mag sec
10.27
delta mag (ΔM)
2.01
Spectral class
B9III (blue-white)
Pri motion ra
+001
Sec motion ra
-002
Pri motion dec
-008
Sec motion dec
-005
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
38271
Tycho2
2853-00958-1
HD
16782
last precise pa
321.7
last precise sep
17.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02428+4249 HJ 2155 2007 9 321 17.4 8.26 10.27 B9III N D 024245.74+424913.0
02428+4249 HJ 2155 2010 12 322 17.2 8.26 10.27 B9III N 024245.74+424913.0

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