21534+4921 ES 524 BC
21h 53m 23.10s +49° 20' 28.3" P.A. 3.00 sep 4.7 mag 11.96,13.80
| Coord 2000 |
21534+4921 |
|
Discov num |
ES 524 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 53 23.10 +49 20 28.3 |
|
| Date first |
1907 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
6 |
|
Pa last |
2.9 |
|
P.A. Now (θ) |
2.9° |
|
| Sep first |
5.9 |
|
Sep last |
4.722 |
|
Sep. Now (ρ) |
4.722" |
|
| Mag pri |
11.96 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
1.84 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-030 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
+021 |
|
| Notes |
|
|
rPM=1.007
This double is not physical.
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 |
|
Gaia DR2 |
1979452570202833024 |
|
