21577-0038 A 891 (HD 208643)
21h 57m 41.19s -00° 37' 44.3" P.A. 78.00 sep 0.7 mag 9.50,9.55 Sp G0 dist. 167.22 pc (545.47 l.y.)
| Coord 2000 |
21577-0038 |
|
Discov num |
A 891 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 41.19 -00 37 44.3 |
|
| Date first |
1904 |
|
Date last |
2018 |
|
Obs |
25 |
|
| Pa first |
57 |
|
Pa last |
77.7 |
|
P.A. Now (θ) |
77.7° |
|
| Sep first |
0.4 |
|
Sep last |
0.65 |
|
Sep. Now (ρ) |
0.65" |
|
| Mag pri |
9.50 |
|
Mag sec |
9.55 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-059 |
|
Sec motion ra |
-059 |
|
| Pri motion dec |
-060 |
|
Sec motion dec |
-060 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 208643 |
|
Constellation |
Aquarius |
|
HIP |
108406 |
|
Tycho2 |
5211-00561-1 |
|
| HD |
208643 |
|
BD |
BD-01 4222 |
|
Distance |
167.22 |
|
Distance ly |
545.47 |
|
