20463+3646 COU 2220 Aa,Ab
20h 46m 17.71s +36° 47' 47.1" P.A. 299.00 sep 0.7 mag 11.40,11.50
| Coord 2000 |
20463+3646 |
|
Discov num |
COU2220 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 46 17.71 +36 47 47.1 |
|
| Date first |
1984 |
|
Date last |
2016 |
|
Obs |
2 |
|
| Pa first |
262 |
|
Pa last |
298.7 |
|
P.A. Now (θ) |
298.7° |
|
| Sep first |
0.6 |
|
Sep last |
0.66 |
|
Sep. Now (ρ) |
0.66" |
|
| Mag pri |
11.40 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20463+3646 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 46 18 +36 47 47 |
COU 2220 Aa,Ab |
2016 |
2 |
299 |
0.7 |
11.40 |
11.50 |
0.10 |
|
<=== |
| Show |
|
|
20 46 18 +36 47 47 |
ES 2515 AB |
2015 |
8 |
175 |
6.8 |
10.92 |
13.20 |
2.28 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2699-01538-1 |
|
Gaia DR2 |
1870978261999216256 |
|
