21293+4512 ES 100 AB
21h 29m 20.76s +45° 12' 58.8" P.A. 157.00 sep 4.4 mag 9.92,10.30
| Coord 2000 |
21293+4512 |
|
Discov num |
ES 100 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 29 20.76 +45 12 58.8 |
|
| Date first |
1895 |
|
Date last |
2018 |
|
Obs |
20 |
|
| Pa first |
153 |
|
Pa last |
156.6 |
|
P.A. Now (θ) |
156.6° |
|
| Sep first |
4.5 |
|
Sep last |
4.387 |
|
Sep. Now (ρ) |
4.387" |
|
| Mag pri |
9.92 |
|
Mag sec |
10.30 |
|
delta mag (ΔM) |
0.38 |
|
Spectral class |
|
|
| Pri motion ra |
+013 |
|
Sec motion ra |
|
|
| Pri motion dec |
+053 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21293+4512 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 29 21 +45 12 59 |
ES 100 AB |
2018 |
20 |
157 |
4.4 |
9.92 |
10.30 |
0.38 |
|
<=== |
| Show |
|
|
21 29 21 +45 12 59 |
ES 100 AC |
2015 |
8 |
333 |
29.9 |
9.92 |
12.65 |
2.73 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3590-03252-1 |
|
Gaia DR2 |
1971327664611285760 |
|
ADS |
15022 |
|
