20518+3820 ES 2123 AB
20h 52m 04.33s +38° 20' 57.9" P.A. 102.00 sep 5.2 mag 9.52,11.50
Coord 2000 |
20518+3820 |
|
Discov num |
ES 2123 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 52 04.33 +38 20 57.9 |
|
Date first |
1924 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
100 |
|
Pa last |
102.1 |
|
P.A. Now (θ) |
102.1° |
|
Sep first |
4.4 |
|
Sep last |
5.213 |
|
Sep. Now (ρ) |
5.213" |
|
Mag pri |
9.52 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
1.98 |
|
Spectral class |
|
|
Pri motion ra |
+002 |
|
Sec motion ra |
|
|
Pri motion dec |
+002 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
20518+3820 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 52 04 +38 20 58 |
ES 2123 AB |
2015 |
7 |
102 |
5.2 |
9.52 |
11.50 |
1.98 |
|
<=== |
Show |
|
|
20 52 04 +38 20 58 |
ES 2123 AC |
2018 |
8 |
327 |
37.4 |
9.52 |
9.73 |
0.21 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3167-00806-1 |
|
Gaia DR2 |
1872668039572557440 |
|