21433+5100 BU 374 (HD 206844)
21h 43m 15.44s +51° 00' 11.6" P.A. 138.00 sep 1.8 mag 8.56,10.06 Sp G5+A2 dist. 1219.51 pc (3978.04 l.y.)
| Coord 2000 |
21433+5100 |
|
Discov num |
BU 374 |
|
Comp |
|
|
Coord arcsec 2000 |
21 43 15.44 +51 00 11.6 |
|
| Date first |
1877 |
|
Date last |
2016 |
|
Obs |
12 |
|
| Pa first |
143 |
|
Pa last |
137.9 |
|
P.A. Now (θ) |
137.9° |
|
| Sep first |
1.9 |
|
Sep last |
1.835 |
|
Sep. Now (ρ) |
1.835" |
|
| Mag pri |
8.56 |
|
Mag sec |
10.06 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
G5+A2 (yellow/white) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 206844 |
|
Constellation |
Cygnus |
|
SAO |
33687 |
|
HIP |
107241 |
|
| Tycho2 |
3603-01372-1 |
|
Gaia DR2 |
1980810849311270144 |
|
HD |
206844 |
|
BD |
BD+50 3416 |
|
| Distance |
1219.51 |
|
Distance ly |
3978.04 |
|
