20146+3855 ES 2047 AB (HD 228519)
20h 14m 37.91s +38° 55' 29.2" P.A. 174.00 sep 33.2 mag 9.48,11.23 Sp B0.5III
| Coord 2000 |
20146+3855 |
|
Discov num |
ES 2047 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 14 37.91 +38 55 29.2 |
|
| Date first |
1923 |
|
Date last |
2021 |
|
Obs |
8 |
|
| Pa first |
175 |
|
Pa last |
174.3 |
|
P.A. Now (θ) |
174.3° |
|
| Sep first |
32.1 |
|
Sep last |
33.19 |
|
Sep. Now (ρ) |
33.19" |
|
| Mag pri |
9.48 |
|
Mag sec |
11.23 |
|
delta mag (ΔM) |
1.75 |
|
Spectral class |
B0.5III (blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+019 |
|
| Notes |
|
|
rPM=1.213
This double is not physical.
20146+3855 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 228519 |
69683 |
20 14 38 +38 55 29 |
ES 2047 AB |
2021 |
8 |
174 |
33.2 |
9.48 |
11.23 |
1.75 |
|
<=== |
| Show |
|
69683 |
20 14 38 +38 55 29 |
ES 2047 AD |
2015 |
8 |
103 |
10.6 |
9.50 |
14.00 |
4.50 |
|
|
| Show |
|
69683 |
20 14 38 +38 55 29 |
ES 2047 AE |
2015 |
7 |
106 |
27.6 |
9.50 |
13.30 |
3.80 |
|
|
| Show |
|
|
20 14 38 +38 54 55 |
ES 2047 BC |
2021 |
7 |
197 |
4.7 |
10.60 |
10.80 |
0.20 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228519 |
|
Constellation |
Cygnus |
|
SAO |
69683 |
|
Tycho2 |
3151-01650-1 |
|
| Gaia DR2 |
2062092035936730240 |
|
HD |
228519 |
|
ADS |
13579 |
|
