21226+3846 HDS 3044 (HD 203663)
21h 22m 33.38s +38° 45' 41.5" P.A. 141.00 sep 0.1 mag 8.71,10.66 Sp F8 dist. 288.18 pc (940.04 l.y.)
| Coord 2000 |
21226+3846 |
|
Discov num |
HDS3044 |
|
Comp |
|
|
Coord arcsec 2000 |
21 22 33.38 +38 45 41.5 |
|
| Date first |
1991 |
|
Date last |
2007 |
|
Obs |
2 |
|
| Pa first |
35 |
|
Pa last |
141 |
|
P.A. Now (θ) |
141° |
|
| Sep first |
0.1 |
|
Sep last |
0.122 |
|
Sep. Now (ρ) |
0.122" |
|
| Mag pri |
8.71 |
|
Mag sec |
10.66 |
|
delta mag (ΔM) |
1.95 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-020 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 203663 |
|
Constellation |
Cygnus |
|
SAO |
71260 |
|
HIP |
105543 |
|
| Tycho2 |
3182-01413-1 |
|
Gaia DR2 |
1965258738374826880 |
|
HD |
203663 |
|
BD |
BD+38 4468 |
|
| Distance |
288.18 |
|
Distance ly |
940.04 |
|
