20358+5435 ES 991 AB (HD 235289)
20h 35m 45.34s +54° 35' 16.7" P.A. 297.00 sep 15.9 mag 9.33,10.30 Sp K7
| Coord 2000 |
20358+5435 |
|
Discov num |
ES 991 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 35 45.34 +54 35 16.7 |
|
| Date first |
1901 |
|
Date last |
2018 |
|
Obs |
14 |
|
| Pa first |
298 |
|
Pa last |
296.6 |
|
P.A. Now (θ) |
296.6° |
|
| Sep first |
16.1 |
|
Sep last |
15.902 |
|
Sep. Now (ρ) |
15.902" |
|
| Mag pri |
9.33 |
|
Mag sec |
10.30 |
|
delta mag (ΔM) |
0.97 |
|
Spectral class |
K7 (yellow-orange) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.486
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
| Name |
HD 235289 |
|
Constellation |
Cygnus |
|
SAO |
32720 |
|
Tycho2 |
3954-01980-1 |
|
| Gaia DR2 |
2183467163189146112 |
|
HD |
235289 |
|
