21125+4552 ES 1273 AC
21h 12m 29.35s +45° 51' 36.2" P.A. 7.00 sep 37.7 mag 8.87,13.27 Sp G5 dist. 485.44 pc (1583.51 l.y.)
| Coord 2000 |
21125+4552 |
|
Discov num |
ES 1273 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 12 29.35 +45 51 36.2 |
|
| Date first |
1913 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
9 |
|
Pa last |
7.3 |
|
P.A. Now (θ) |
7.3° |
|
| Sep first |
38.2 |
|
Sep last |
37.73 |
|
Sep. Now (ρ) |
37.73" |
|
| Mag pri |
8.87 |
|
Mag sec |
13.27 |
|
delta mag (ΔM) |
4.4 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21125+4552 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
50570 |
21 12 29 +45 51 36 |
ES 1273 AB |
2015 |
8 |
295 |
23.1 |
7.93 |
13.50 |
5.57 |
|
|
| Show |
|
50570 |
21 12 29 +45 51 36 |
ES 1273 AC |
2015 |
5 |
7 |
37.7 |
8.87 |
13.27 |
4.40 |
|
<=== |
| Show |
|
|
21 12 30 +45 52 14 |
ES 1273 CD |
2015 |
5 |
69 |
3.7 |
12.40 |
12.90 |
0.50 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
50570 |
|
HIP |
104697 |
|
Tycho2 |
3589-05789-1 |
|
| Gaia DR2 |
2164085762505012352 |
|
HD |
202144 |
|
BD |
BD+45 3446 |
|
Distance |
485.44 |
|
| Distance ly |
1583.51 |
|
