01389+7643 HU 1030 (HD 9721)
01h 38m 56.74s +76° 43' 25.0" P.A. 319.00 sep 0.8 mag 8.93,8.99 Sp A3 dist. 212.31 pc (692.56 l.y.)
| Coord 2000 |
01389+7643 |
|
Discov num |
HU 1030 |
|
Comp |
|
|
Coord arcsec 2000 |
01 38 56.74 +76 43 25.0 |
|
| Date first |
1904 |
|
Date last |
2018 |
|
Obs |
22 |
|
| Pa first |
322 |
|
Pa last |
319.2 |
|
P.A. Now (θ) |
319.2° |
|
| Sep first |
0.6 |
|
Sep last |
0.797 |
|
Sep. Now (ρ) |
0.797" |
|
| Mag pri |
8.93 |
|
Mag sec |
8.99 |
|
delta mag (ΔM) |
0.06 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
+036 |
|
Sec motion ra |
+036 |
|
| Pri motion dec |
-013 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 9721 |
|
Constellation |
Cassiopeia |
|
SAO |
4452 |
|
HIP |
7684 |
|
| Tycho2 |
4494-01306-1 |
|
Gaia DR2 |
560461419307726976 |
|
HD |
9721 |
|
ADS |
1264 |
|
| BD |
BD+75 69 |
|
Distance |
212.31 |
|
Distance ly |
692.56 |
|
