21223+3139 ES 377 AB
21h 22m 21.62s +31° 38' 43.9" P.A. 291.00 sep 48.7 mag 11.05,11.82
| Coord 2000 |
21223+3139 |
|
Discov num |
ES 377 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 22 21.62 +31 38 43.9 |
|
| Date first |
1893 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
292 |
|
Pa last |
291.1 |
|
P.A. Now (θ) |
291.1° |
|
| Sep first |
48.2 |
|
Sep last |
48.717 |
|
Sep. Now (ρ) |
48.717" |
|
| Mag pri |
11.05 |
|
Mag sec |
11.82 |
|
delta mag (ΔM) |
0.77 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=0.321
Nature of this double is uncertain.
21223+3139 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 22 22 +31 38 44 |
ES 377 AB |
2015 |
11 |
291 |
48.7 |
11.05 |
11.82 |
0.77 |
|
<=== |
| Show |
|
|
21 22 18 +31 39 01 |
ES 377 BC |
2020 |
6 |
211 |
2.2 |
11.82 |
11.98 |
0.16 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2703-01195-1 |
|
Gaia DR2 |
1853661366171137920 |
|
