21431+3149 A 1222 (HD 206688)
21h 43m 07.16s +31° 48' 54.6" P.A. 352.00 sep 0.7 mag 10.36,10.18 Sp K0
| Coord 2000 |
21431+3149 |
|
Discov num |
A 1222 |
|
Comp |
|
|
Coord arcsec 2000 |
21 43 07.16 +31 48 54.6 |
|
| Date first |
1905 |
|
Date last |
2016 |
|
Obs |
15 |
|
| Pa first |
359 |
|
Pa last |
351.6 |
|
P.A. Now (θ) |
351.6° |
|
| Sep first |
0.5 |
|
Sep last |
0.683 |
|
Sep. Now (ρ) |
0.683" |
|
| Mag pri |
10.36 |
|
Mag sec |
10.18 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-013 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 206688 |
|
Constellation |
Cygnus |
|
SAO |
71640 |
|
Tycho2 |
2717-00900-1 |
|
| Gaia DR2 |
1945958147474589312 |
|
HD |
206688 |
|
