00402+4715 BU  257

 
 
00h 40m 13.00s +47 15' 21.0" P.A. 253 sep 0.6 mag 8.06,9.11 Sp G0 dist. 246.31 pc (803.46 l.y.)
 
 
Coord 2000
00402+4715
Discov num
BU  257
Comp
Coord arcsec 2000
00 40 13.00 +47 15 21.0
Date first
1876
Date last
2015
Obs
41
Pa first
237
Pa last
253
P.A. Now (θ)
253°
Sep first
0.5
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
8.06
Mag sec
9.11
delta mag (ΔM)
1.05
Spectral class
G0 (yellow)
Pri motion ra
+019
Sec motion ra
+019
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
253
Precise sep
0.61
Constellation
Cassiopeia
SAO
36564
HIP
3159
Tycho2
3253-01628-1
HD
3700
BD
BD+46 131
Distance
246.31
Distance ly
803.46
last precise pa
253
last precise sep
0.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00402+4715 BU 257 2006 38 249 0.7 8.06 9.11 G0 D 004013.00+471521.0
00402+4715 BU 257 2009 39 249 0.7 8.06 9.11 G0 D 004013.00+471521.0
00402+4715 BU 257 2015 41 253 0.6 8.06 9.11 G0 004013.00+471521.0

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