01385+7302 HJ 2054 (40 Cas)

 
 
01h 38m 30.94s +73 02' 24.3" P.A. 236 sep 52.9 mag 5.39,11.74 Sp G8IIIa dist. 140.45 pc (458.15 l.y.)
 
 
Coord 2000
01385+7302
Discov num
HJ 2054
Comp
Coord arcsec 2000
01 38 30.94 +73 02 24.3
Date first
1831
Date last
2010
Obs
11
Pa first
242
Pa last
236
P.A. Now (θ)
236°
Sep first
45.0
Sep last
52.9
Sep. Now (ρ)
52.9"
Mag pri
5.39
Mag sec
11.74
delta mag (ΔM)
6.35
Spectral class
G8IIIa (yellow)
Pri motion ra
-011
Sec motion ra
+020
Pri motion dec
-014
Sec motion dec
-027
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
40 Cas
Constellation
Cassiopeia
SAO
4453
HIP
7650
Tycho2
4318-02488-1
HD
9774
HR
456
GC
1955
BD
BD+72 86
Flamsteed
40 Cassiopeiae
Flamsteed name
40 Cas
Distance
140.45
Distance ly
458.15
last precise pa
235.7
last precise sep
52.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01385+7302 HJ 2054 1999 9 235 52.1 5.26 11.98 G8IIIa N D 013830.94+730224.3
01385+7302 HJ 2054 2003 10 235 51.3 5.26 11.98 G8IIIa N D 013830.94+730224.3
01385+7302 HJ 2054 2010 11 234 52.0 5.39 11.74 G8IIIa N 013830.94+730224.3

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