00457+4208 SKF 184 (21 Cas)
00h 45m 40.54s +42° 08' 06.6" P.A. 278.00 sep 2.1 mag 13.40,13.40 Sp K4 dist. 93.02 pc (303.43 l.y.)
| Coord 2000 |
00457+4208 |
|
Discov num |
SKF 184 |
|
Comp |
|
|
Coord arcsec 2000 |
00 45 40.54 +42 08 06.6 |
|
| Date first |
1998 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
280 |
|
Pa last |
277.9 |
|
P.A. Now (θ) |
277.9° |
|
| Sep first |
2.0 |
|
Sep last |
2.116 |
|
Sep. Now (ρ) |
2.116" |
|
| Mag pri |
13.40 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
K4 (yellow-orange) |
|
| Pri motion ra |
+040 |
|
Sec motion ra |
|
|
| Pri motion dec |
-012 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
21 Cas |
|
Var name |
YZ Cas |
|
Constellation |
Andromeda |
|
SAO |
4216 |
|
| HIP |
3572 |
|
Tycho2 |
4307-02167-1 |
|
Gaia DR2 |
375310528841424896 |
|
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 |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Cas vs And)
