20123+3451 AG 249 CD
20h 12m 18.86s +34° 51' 21.8" P.A. 352.00 sep 6.3 mag 14.00,13.80
| Coord 2000 |
20123+3451 |
|
Discov num |
AG 249 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 12 18.86 +34 51 21.8 |
|
| Date first |
2002 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
351 |
|
Pa last |
351.9 |
|
P.A. Now (θ) |
351.9° |
|
| Sep first |
6.2 |
|
Sep last |
6.278 |
|
Sep. Now (ρ) |
6.278" |
|
| Mag pri |
14.00 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
Sec motion dec |
|
|
| Notes |
W
|
|
Nature of this double is uncertain.
20123+3451 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 192164 |
69595 |
20 12 18 +34 51 11 |
AG 249 AB |
2015 |
17 |
133 |
32.9 |
7.96 |
10.78 |
2.82 |
|
|
| Show |
|
69595 |
20 12 18 +34 51 11 |
AG 249 AC |
2015 |
7 |
30 |
13.0 |
7.96 |
14.00 |
6.04 |
|
|
| Show |
|
|
20 12 19 +34 51 22 |
AG 249 CD |
2015 |
6 |
352 |
6.3 |
14.00 |
13.80 |
0.20 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2055751156691227904 |
|
