02420+4248 HJ 1123

 
 
02h 41m 58.44s +42 47' 30.6" P.A. 249 sep 20 mag 8.39,8.46 Sp B8III
 
 
Coord 2000
02420+4248
Discov num
HJ 1123
Comp
Coord arcsec 2000
02 41 58.44 +42 47 30.6
Date first
1828
Date last
2015
Obs
25
Pa first
252
Pa last
249
P.A. Now (θ)
249°
Sep first
15.0
Sep last
20.0
Sep. Now (ρ)
20"
Mag pri
8.39
Mag sec
8.46
delta mag (ΔM)
0.07
Spectral class
B8III (blue-white)
Pri motion ra
-001
Sec motion ra
-002
Pri motion dec
-006
Sec motion dec
-007
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
38244
Tycho2
2853-00022-1
HD
16705
last precise pa
249.1
last precise sep
20.017
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02420+4248 HJ 1123 2007 21 249 20.1 8.39 8.46 B8III N D 024158.44+424730.6
02420+4248 HJ 1123 2011 22 249 20.2 8.39 8.46 B8III N D 024158.44+424730.6
02420+4248 HJ 1123 2015 25 249 20.0 8.39 8.46 B8III N 024158.44+424730.6

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