03322+4245 HDS 446 (HD 21751)
03h 32m 09.43s +42° 44' 57.7" P.A. 298.00 sep 0.1 mag 7.81,8.42 Sp B9 dist. 284.9 pc (929.34 l.y.)
| Coord 2000 |
03322+4245 |
|
Discov num |
HDS 446 |
|
Comp |
|
|
Coord arcsec 2000 |
03 32 09.43 +42 44 57.7 |
|
| Date first |
1991 |
|
Date last |
2011 |
|
Obs |
7 |
|
| Pa first |
13 |
|
Pa last |
298.1 |
|
P.A. Now (θ) |
298.1° |
|
| Sep first |
0.1 |
|
Sep last |
0.068 |
|
Sep. Now (ρ) |
0.068" |
|
| Mag pri |
7.81 |
|
Mag sec |
8.42 |
|
delta mag (ΔM) |
0.61 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 21751 |
|
Constellation |
Perseus |
|
SAO |
38922 |
|
HIP |
16473 |
|
| Tycho2 |
2870-01767-1 |
|
Gaia DR2 |
238224316742992512 |
|
HD |
21751 |
|
GC |
4207 |
|
| BD |
BD+42 776 |
|
Distance |
284.9 |
|
Distance ly |
929.34 |
|