21159+2858 HDS 3025
21h 15m 54.87s +28° 57' 46.4" P.A. 46.00 sep 0.2 mag 10.74,12.67 Sp G5 dist. 233.1 pc (760.37 l.y.)
| Coord 2000 |
21159+2858 |
|
Discov num |
HDS3025 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 54.87 +28 57 46.4 |
|
| Date first |
1991 |
|
Date last |
2012 |
|
Obs |
3 |
|
| Pa first |
86 |
|
Pa last |
45.9 |
|
P.A. Now (θ) |
45.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.221 |
|
Sep. Now (ρ) |
0.221" |
|
| Mag pri |
10.74 |
|
Mag sec |
12.67 |
|
delta mag (ΔM) |
1.93 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+122 |
|
Sec motion ra |
|
|
| Pri motion dec |
+112 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
104994 |
|
Tycho2 |
2198-02061-1 |
|
Gaia DR2 |
1851565215968253568 |
|
| BD |
BD+28 4035 |
|
Distance |
233.1 |
|
Distance ly |
760.37 |
|
