21391+3356 COU 1185 AB (HD 206122)
21h 39m 06.68s +33° 56' 26.9" P.A. 55.00 sep 1.4 mag 9.98,10.31 Sp A5
| Coord 2000 |
21391+3356 |
|
Discov num |
COU1185 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 39 06.68 +33 56 26.9 |
|
| Date first |
1974 |
|
Date last |
2016 |
|
Obs |
21 |
|
| Pa first |
57 |
|
Pa last |
55 |
|
P.A. Now (θ) |
55° |
|
| Sep first |
1.3 |
|
Sep last |
1.413 |
|
Sep. Now (ρ) |
1.413" |
|
| Mag pri |
9.98 |
|
Mag sec |
10.31 |
|
delta mag (ΔM) |
0.33 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
Nature of this double is uncertain.
21391+3356 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 206122 |
71559 |
21 39 07 +33 56 27 |
COU 1185 AB |
2016 |
21 |
55 |
1.4 |
9.98 |
10.31 |
0.33 |
|
<=== |
| Show |
|
|
21 39 07 +33 56 27 |
WSI 120 Ba,Bb |
2013 |
2 |
19 |
0.2 |
11.10 |
11.10 |
0.00 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 206122 |
|
Constellation |
Cygnus |
|
SAO |
71559 |
|
Tycho2 |
2725-00959-1 |
|
| Gaia DR2 |
1947236471483319680 |
|
HD |
206122 |
|
