21016+4730 HDS 2997 (HD 200406)
21h 01m 38.66s +47° 30' 06.6" P.A. 232.00 sep 1.9 mag 8.08,11.82 Sp K2III+... dist. 67.84 pc (221.29 l.y.)
| Coord 2000 |
21016+4730 |
|
Discov num |
HDS2997 |
|
Comp |
|
|
Coord arcsec 2000 |
21 01 38.66 +47 30 06.6 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
171 |
|
Pa last |
231.8 |
|
P.A. Now (θ) |
231.8° |
|
| Sep first |
0.6 |
|
Sep last |
1.881 |
|
Sep. Now (ρ) |
1.881" |
|
| Mag pri |
8.08 |
|
Mag sec |
11.82 |
|
delta mag (ΔM) |
3.74 |
|
Spectral class |
K2III+... (yellow-orange) |
|
| Pri motion ra |
+099 |
|
Sec motion ra |
|
|
| Pri motion dec |
+046 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 200406 |
|
Constellation |
Cygnus |
|
SAO |
50366 |
|
HIP |
103767 |
|
| Tycho2 |
3592-05975-1 |
|
Gaia DR2 |
2163902315851963264 |
|
HD |
200406 |
|
BD |
BD+46 3145 |
|
| Distance |
67.84 |
|
Distance ly |
221.29 |
|
