20563+4447 ES 675 BC
20h 56m 08.85s +44° 46' 50.6" P.A. 108.00 sep 3.7 mag 10.60,12.00
| Coord 2000 |
20563+4447 |
|
Discov num |
ES 675 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 56 08.85 +44 46 50.6 |
|
| Date first |
1908 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
107 |
|
Pa last |
107.8 |
|
P.A. Now (θ) |
107.8° |
|
| Sep first |
3.7 |
|
Sep last |
3.74 |
|
Sep. Now (ρ) |
3.74" |
|
| Mag pri |
10.60 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20563+4447 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 56 18 +44 46 48 |
ES 675 AB |
2016 |
10 |
272 |
97.4 |
9.64 |
11.70 |
2.06 |
|
|
| Show |
|
|
20 56 09 +44 46 51 |
ES 675 BC |
2016 |
8 |
108 |
3.7 |
10.60 |
12.00 |
1.40 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2163067713495255808 |
|
