21336+3905 COU 1975 Aa,Ab
21h 33m 39.09s +39° 04' 57.2" P.A. 331.00 sep 0.3 mag 11.20,11.20
| Coord 2000 |
21336+3905 |
|
Discov num |
COU1975 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
21 33 39.09 +39 04 57.2 |
|
| Date first |
1980 |
|
Date last |
2014 |
|
Obs |
5 |
|
| Pa first |
140 |
|
Pa last |
330.5 |
|
P.A. Now (θ) |
330.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.277 |
|
Sep. Now (ρ) |
0.277" |
|
| Mag pri |
11.20 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
+014 |
|
Sec motion ra |
|
|
| Pri motion dec |
+009 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21336+3905 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 33 39 +39 04 57 |
COU 1975 Aa,Ab |
2014 |
5 |
331 |
0.3 |
11.20 |
11.20 |
0.00 |
|
<=== |
| Show |
|
|
21 33 39 +39 04 57 |
COU 1975 AB |
2015 |
11 |
359 |
21.4 |
10.49 |
11.06 |
0.57 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3183-02123-1 |
|
