00447+4817 BU  231AB (Omi Cas)

 
 
00H 44M 43.50S +48 17' 03.8" P.A. 302 SEP 34.4 MAG 4.54,11.20 SP B5IIIE DIST. 215.52 PC (703.03 L.Y.)
 
 
Coord 2000
00447+4817
Discov num
BU  231
Comp
AB
Coord arcsec 2000
00 44 43.50 +48 17 03.8
Date first
1876
Date last
2011
Obs
14
Pa first
304
Pa last
302
P.A. Now (θ)
302°
Sep first
32.8
Sep last
34.4
Sep. Now (ρ)
34.4"
Mag pri
4.54
Mag sec
11.20
delta mag (ΔM)
6.66
Spectral class
B5IIIe (blue-white)
Pri motion ra
+019
Sec motion ra
+003
Pri motion dec
-007
Sec motion dec
-006
Notes
N (See Notes)
rPM=0.792
Nature of this double is uncertain.
 
 
00447+4817 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 36620 00447+4817 NOI 3 Aa,Ab 2005 2007 6 269 0.0 4.60 7.50 2.90 Y
Show Omi Cas 36620 00447+4817 BU 231 AB 1876 2011 14 302 34.4 4.54 11.20 6.66 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Omi Cas
Constellation
Cassiopeia
SAO
36620
HIP
3504
HD
4180
HR
193
GC
882
BD
BD+47 183
Bayer
Omicron Cassiopeiae
Bayer name
Omi Cas
Flamsteed
22 Cassiopeiae
Flamsteed name
22 Cas
Distance
215.52
Distance ly
703.03
last precise pa
301.6
last precise sep
34.38