00457+7459 H N 122 (21 Cas)

 
 
00H 45M 39.08S +74 59' 17.1" P.A. 161 SEP 36 MAG 5.66,10.57 SP A2IV DIST. 93.02 PC (303.43 L.Y.)
 
 
Coord 2000
00457+7459
Discov num
H N 122
Comp
Coord arcsec 2000
00 45 39.08 +74 59 17.1
Date first
1896
Date last
2010
Obs
13
Pa first
160
Pa last
161
P.A. Now (θ)
161°
Sep first
36.6
Sep last
36.0
Sep. Now (ρ)
36"
Mag pri
5.66
Mag sec
10.57
delta mag (ΔM)
4.91
Spectral class
A2IV (white)
Pri motion ra
-015
Sec motion ra
-012
Pri motion dec
-022
Sec motion dec
-025
Notes
N (See Notes)
rPM=0.153 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
21 Cas
Other name
YZ Cas
Var name
YZ Cas
Constellation
Cassiopeia
SAO
4216
HIP
3572
Tycho2
4307-02167-1
HD
4161
HR
192
GC
891
BD
BD+74 27
Flamsteed
21 Cassiopeiae
Flamsteed name
21 Cas
Distance
93.02
Distance ly
303.43
last precise pa
160.7
last precise sep
36