21050+4021 COU 2135 (HD 200890)
21h 05m 01.14s +40° 20' 40.8" P.A. 351.00 sep 0.2 mag 9.00,9.30 Sp A0
| Coord 2000 |
21050+4021 |
|
Discov num |
COU2135 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 01.14 +40 20 40.8 |
|
| Date first |
1982 |
|
Date last |
2014 |
|
Obs |
8 |
|
| Pa first |
359 |
|
Pa last |
351 |
|
P.A. Now (θ) |
351° |
|
| Sep first |
0.2 |
|
Sep last |
0.198 |
|
Sep. Now (ρ) |
0.198" |
|
| Mag pri |
9.00 |
|
Mag sec |
9.30 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 200890 |
|
Constellation |
Cygnus |
|
SAO |
50426 |
|
Tycho2 |
3172-00905-1 |
|
| Gaia DR2 |
1873126742076980096 |
|
HD |
200890 |
|
