21534+4921 ES 524 AB
21h 53m 23.41s +49° 20' 48.8" P.A. 188.00 sep 20.9 mag 9.43,11.96 Sp B8 dist. 1086.96 pc (3545.66 l.y.)
| Coord 2000 |
21534+4921 |
|
Discov num |
ES 524 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 53 23.41 +49 20 48.8 |
|
| Date first |
1907 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
189 |
|
Pa last |
187.8 |
|
P.A. Now (θ) |
187.8° |
|
| Sep first |
20.4 |
|
Sep last |
20.891 |
|
Sep. Now (ρ) |
20.891" |
|
| Mag pri |
9.43 |
|
Mag sec |
11.96 |
|
delta mag (ΔM) |
2.53 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.584
Nature of this double is uncertain.
21534+4921 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 53 23 +49 20 49 |
ES 524 AB |
2016 |
7 |
188 |
20.9 |
9.43 |
11.96 |
2.53 |
|
<=== |
| Show |
|
|
21 53 23 +49 20 28 |
ES 524 BC |
2016 |
5 |
3 |
4.7 |
11.96 |
13.80 |
1.84 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
108048 |
|
Tycho2 |
3612-02169-1 |
|
Gaia DR2 |
1979452574505887616 |
|
| BD |
BD+48 3536 |
|
Distance |
1086.96 |
|
Distance ly |
3545.66 |
|
