21239+8317 HDS 3049 (HD 205418)
21h 23m 52.40s +83° 17' 00.0" P.A. 339.00 sep 0.3 mag 8.83,11.02 Sp G0 dist. 142.86 pc (466.01 l.y.)
| Coord 2000 |
21239+8317 |
|
Discov num |
HDS3049 |
|
Comp |
|
|
Coord arcsec 2000 |
21 23 52.40 +83 17 00.0 |
|
| Date first |
1991 |
|
Date last |
2014 |
|
Obs |
4 |
|
| Pa first |
335 |
|
Pa last |
338.9 |
|
P.A. Now (θ) |
338.9° |
|
| Sep first |
0.2 |
|
Sep last |
0.337 |
|
Sep. Now (ρ) |
0.337" |
|
| Mag pri |
8.83 |
|
Mag sec |
11.02 |
|
delta mag (ΔM) |
2.19 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+022 |
|
Sec motion ra |
|
|
| Pri motion dec |
-008 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 205418 |
|
Constellation |
Cepheus |
|
SAO |
3572 |
|
HIP |
105644 |
|
| Tycho2 |
4649-01656-1 |
|
Gaia DR2 |
2300301852863539456 |
|
HD |
205418 |
|
BD |
BD+82 650 |
|
| Distance |
142.86 |
|
Distance ly |
466.01 |
|
