20125+5128 AC 17 AE
20h 12m 31.73s +51° 27' 49.0" P.A. 148.00 sep 130.4 mag 6.17,10.78 Sp K2.5III dist. 106.16 pc (346.29 l.y.)
| Coord 2000 |
20125+5128 |
|
Discov num |
AC 17 |
|
Comp |
AE |
|
Coord arcsec 2000 |
20 12 31.73 +51 27 49.0 |
|
| Date first |
1897 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
150 |
|
Pa last |
147.9 |
|
P.A. Now (θ) |
147.9° |
|
| Sep first |
131.2 |
|
Sep last |
130.383 |
|
Sep. Now (ρ) |
130.383" |
|
| Mag pri |
6.17 |
|
Mag sec |
10.78 |
|
delta mag (ΔM) |
4.61 |
|
Spectral class |
K2.5III (yellow-orange) |
|
| Pri motion ra |
-015 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.745
Nature of this double is uncertain.
20125+5128 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 192439 |
32354 |
20 12 32 +51 27 49 |
AC 17 AB |
2016 |
16 |
82 |
4.4 |
6.17 |
10.55 |
4.38 |
|
|
| Show |
|
32354 |
20 12 32 +51 27 49 |
AC 17 AC |
2015 |
5 |
9 |
84.8 |
6.17 |
12.63 |
6.46 |
|
|
| Show |
|
32354 |
20 12 32 +51 27 49 |
AC 17 AD |
2015 |
5 |
80 |
75.1 |
6.17 |
12.80 |
6.63 |
|
|
| Show |
|
32354 |
20 12 32 +51 27 49 |
AC 17 AE |
2015 |
8 |
148 |
130.4 |
6.17 |
10.78 |
4.61 |
|
<=== |
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
32354 |
|
HIP |
99579 |
|
Tycho2 |
3571-02335-1 |
|
| Gaia DR2 |
2088224614133708544 |
|
HD |
192439 |
|
HR |
7726 |
|
ADS |
13535 |
|
| BD |
BD+51 2796 |
|
Distance |
106.16 |
|
Distance ly |
346.29 |
|
