21505+3944 ES 211 AC
21h 50m 29.10s +39° 44' 27.0" P.A. 178.00 sep 10.1 mag 10.88,13.40
| Coord 2000 |
21505+3944 |
|
Discov num |
ES 211 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 50 29.10 +39 44 27.0 |
|
| Date first |
1922 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
170 |
|
Pa last |
177.6 |
|
P.A. Now (θ) |
177.6° |
|
| Sep first |
9.0 |
|
Sep last |
10.086 |
|
Sep. Now (ρ) |
10.086" |
|
| Mag pri |
10.88 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
2.52 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
+011 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21505+3944 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 50 29 +39 44 27 |
ES 211 AB |
2016 |
9 |
197 |
2.5 |
10.88 |
12.21 |
1.33 |
|
|
| Show |
|
|
21 50 29 +39 44 27 |
ES 211 AC |
2015 |
4 |
178 |
10.1 |
10.88 |
13.40 |
2.52 |
|
<=== |
| Show |
|
|
21 50 29 +39 44 27 |
ES 211 AD |
2015 |
4 |
102 |
21.1 |
10.88 |
13.70 |
2.82 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3189-00495-1 |
|
Gaia DR2 |
1953409061040456448 |
|
