21589+4748 ES 1176 BC
21h 58m 57.82s +47° 47' 05.3" P.A. 270.00 sep 6.8 mag 11.00,12.80
| Coord 2000 |
21589+4748 |
|
Discov num |
ES 1176 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 58 57.82 +47 47 05.3 |
|
| Date first |
1912 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
270 |
|
Pa last |
270.1 |
|
P.A. Now (θ) |
270.1° |
|
| Sep first |
5.8 |
|
Sep last |
6.844 |
|
Sep. Now (ρ) |
6.844" |
|
| Mag pri |
11.00 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
|
|
| Pri motion ra |
+010 |
|
Sec motion ra |
-020 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
-017 |
|
| Notes |
|
|
rPM=1.314
This double is not physical.
21589+4748 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 58 56 +47 47 31 |
ES 1176 AB |
2015 |
8 |
141 |
33.2 |
9.21 |
12.16 |
2.95 |
|
|
| Show |
|
|
21 58 58 +47 47 05 |
ES 1176 BC |
2015 |
8 |
270 |
6.8 |
11.00 |
12.80 |
1.80 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1976165550130840320 |
|