21399+4908 ES 825 AD
21h 39m 55.58s +49° 07' 58.0" P.A. 11.00 sep 20.6 mag 7.25,13.94 Sp K1II dist. 483.09 pc (1575.84 l.y.)
| Coord 2000 |
21399+4908 |
|
Discov num |
ES 825 |
|
Comp |
AD |
|
Coord arcsec 2000 |
21 39 55.58 +49 07 58.0 |
|
| Date first |
1909 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
0 |
|
Pa last |
11.4 |
|
P.A. Now (θ) |
11.4° |
|
| Sep first |
20.0 |
|
Sep last |
20.554 |
|
Sep. Now (ρ) |
20.554" |
|
| Mag pri |
7.25 |
|
Mag sec |
13.94 |
|
delta mag (ΔM) |
6.69 |
|
Spectral class |
K1II (yellow-orange) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21399+4908 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 206312 |
51163 |
21 39 56 +49 07 58 |
ES 825 AB |
2015 |
4 |
257 |
12.1 |
7.25 |
11.50 |
4.25 |
|
|
| Show |
|
51163 |
21 39 56 +49 07 58 |
ES 825 AC |
2016 |
16 |
284 |
57.7 |
7.25 |
9.56 |
2.31 |
|
|
| Show |
|
51163 |
21 39 56 +49 07 58 |
ES 825 AD |
2015 |
4 |
11 |
20.6 |
7.25 |
13.94 |
6.69 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
51163 |
|
HIP |
106974 |
|
Tycho2 |
3599-02173-1 |
|
| Gaia DR2 |
1978878526359073792 |
|
HD |
206312 |
|
BD |
BD+48 3457 |
|
Distance |
483.09 |
|
| Distance ly |
1575.84 |
|
