20358+5435 ES 991 CD
20h 35m 52.22s +54° 34' 59.6" P.A. 120.00 sep 2.6 mag 10.79,13.20
| Coord 2000 |
20358+5435 |
|
Discov num |
ES 991 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 35 52.22 +54 34 59.6 |
|
| Date first |
1910 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
127 |
|
Pa last |
119.9 |
|
P.A. Now (θ) |
119.9° |
|
| Sep first |
2.5 |
|
Sep last |
2.599 |
|
Sep. Now (ρ) |
2.599" |
|
| Mag pri |
10.79 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
2.41 |
|
Spectral class |
|
|
| Pri motion ra |
-043 |
|
Sec motion ra |
|
|
| Pri motion dec |
-035 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20358+5435 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 235289 |
32720 |
20 35 45 +54 35 17 |
ES 991 AB |
2018 |
14 |
297 |
15.9 |
9.33 |
10.30 |
0.97 |
|
|
| Show |
|
32720 |
20 35 45 +54 35 17 |
ES 991 AC |
2018 |
11 |
106 |
61.7 |
9.33 |
10.79 |
1.46 |
|
|
| Show |
|
|
20 35 52 +54 34 60 |
ES 991 CD |
2016 |
5 |
120 |
2.6 |
10.79 |
13.20 |
2.41 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3954-02001-1 |
|
Gaia DR2 |
2183467128829409408 |
|
