21392+3241 ES 2320 BC
21h 39m 09.45s +32° 41' 54.0" P.A. 323.00 sep 3.3 mag 10.50,13.00
| Coord 2000 |
21392+3241 |
|
Discov num |
ES 2320 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 39 09.45 +32 41 54.0 |
|
| Date first |
1927 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
323 |
|
Pa last |
322.6 |
|
P.A. Now (θ) |
322.6° |
|
| Sep first |
2.8 |
|
Sep last |
3.291 |
|
Sep. Now (ρ) |
3.291" |
|
| Mag pri |
10.50 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
|
|
| Pri motion ra |
+012 |
|
Sec motion ra |
|
|
| Pri motion dec |
-000 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21392+3241 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 39 10 +32 42 06 |
ES 2320 AB |
2015 |
11 |
188 |
12.1 |
9.91 |
11.06 |
1.15 |
|
|
| Show |
|
|
21 39 09 +32 41 54 |
ES 2320 BC |
2015 |
4 |
323 |
3.3 |
10.50 |
13.00 |
2.50 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1946820890445164288 |
|