20556+3809 COU 2222 Aa,Ab
20h 55m 35.44s +38° 08' 26.7" P.A. 109.00 sep 0.7 mag 11.20,11.20
| Coord 2000 |
20556+3809 |
|
Discov num |
COU2222 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 55 35.44 +38 08 26.7 |
|
| Date first |
1984 |
|
Date last |
2014 |
|
Obs |
7 |
|
| Pa first |
115 |
|
Pa last |
109.3 |
|
P.A. Now (θ) |
109.3° |
|
| Sep first |
0.3 |
|
Sep last |
0.735 |
|
Sep. Now (ρ) |
0.735" |
|
| Mag pri |
11.20 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
+017 |
|
Sec motion ra |
|
|
| Pri motion dec |
+012 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20556+3809 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 55 35 +38 08 27 |
COU 2222 Aa,Ab |
2014 |
7 |
109 |
0.7 |
11.20 |
11.20 |
0.00 |
|
<=== |
| Show |
|
|
20 55 35 +38 08 27 |
SEI 1317 AB |
2014 |
6 |
171 |
22.7 |
10.42 |
12.64 |
2.22 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3167-01735-1 |
|
