21285+8700 HDS 3057 (HD 207779)
21h 28m 32.54s +87° 00' 06.2" P.A. 278.00 sep 0.4 mag 8.51,11.96 Sp A2 dist. 294.99 pc (962.26 l.y.)
| Coord 2000 |
21285+8700 |
|
Discov num |
HDS3057 |
|
Comp |
|
|
Coord arcsec 2000 |
21 28 32.54 +87 00 06.2 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
278 |
|
Pa last |
278 |
|
P.A. Now (θ) |
278° |
|
| Sep first |
0.4 |
|
Sep last |
0.415 |
|
Sep. Now (ρ) |
0.415" |
|
| Mag pri |
8.51 |
|
Mag sec |
11.96 |
|
delta mag (ΔM) |
3.45 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
|
|
| Pri motion dec |
+017 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 207779 |
|
Constellation |
Ursa Minor |
|
SAO |
3601 |
|
HIP |
106030 |
|
| Tycho2 |
4657-00215-1 |
|
Gaia DR2 |
2304516276636844800 |
|
HD |
207779 |
|
BD |
BD+86 324 |
|
| Distance |
294.99 |
|
Distance ly |
962.26 |
|
