00457+7459 H N 122 (21 Cas)
00h 45m 39.08s +74° 59' 17.1" P.A. 161.00 sep 35.9 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 |
2015 |
|
Obs |
15 |
|
Pa first |
160 |
|
Pa last |
160.5 |
|
P.A. Now (θ) |
160.5° |
|
Sep first |
36.6 |
|
Sep last |
35.883 |
|
Sep. Now (ρ) |
35.883" |
|
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 |
|
Var name |
YZ Cas |
|
Constellation |
Cassiopeia |
|
SAO |
4216 |
|
HIP |
3572 |
|
Tycho2 |
4307-02167-1 |
|
Gaia DR2 |
539047365205648128 |
|
HD |
4161 |
|
HR |
192 |
|
GC |
891 |
|
ADS |
624 |
|
BD |
BD+74 27 |
|
Flamsteed |
21 Cassiopeiae |
|
Flamsteed name |
21 Cas |
|
FK5 |
24 |
|
Distance |
93.02 |
|
Distance ly |
303.43 |
|