21209+4002 LDS 2512
21h 20m 55.45s +40° 01' 55.3" P.A. 30.00 sep 85.1 mag 8.01,20.70 Sp K5 dist. 261.1 pc (851.71 l.y.)
| Coord 2000 |
21209+4002 |
|
Discov num |
LDS2512 |
|
Comp |
|
|
Coord arcsec 2000 |
21 20 55.45 +40 01 55.3 |
|
| Date first |
1954 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
30 |
|
Pa last |
29.8 |
|
P.A. Now (θ) |
29.8° |
|
| Sep first |
87.0 |
|
Sep last |
85.109 |
|
Sep. Now (ρ) |
85.109" |
|
| Mag pri |
8.01 |
|
Mag sec |
20.70 |
|
delta mag (ΔM) |
12.69 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
-027 |
|
Sec motion ra |
|
|
| Pri motion dec |
-046 |
|
Sec motion dec |
|
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
71232 |
|
HIP |
105398 |
|
Tycho2 |
3186-00763-1 |
|
| Gaia DR2 |
1965580100708804096 |
|
HD |
203438 |
|
BD |
BD+39 4528 |
|
Distance |
261.1 |
|
| Distance ly |
851.71 |
|
