21526+4513 ES 522
21h 52m 37.51s +45° 14' 22.7" P.A. 138.00 sep 3.1 mag 9.60,11.60
| Coord 2000 |
21526+4513 |
|
Discov num |
ES 522 |
|
Comp |
|
|
Coord arcsec 2000 |
21 52 37.51 +45 14 22.7 |
|
| Date first |
1907 |
|
Date last |
2020 |
|
Obs |
5 |
|
| Pa first |
175 |
|
Pa last |
138.1 |
|
P.A. Now (θ) |
138.1° |
|
| Sep first |
4.4 |
|
Sep last |
3.09 |
|
Sep. Now (ρ) |
3.09" |
|
| Mag pri |
9.60 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
|
|
| Pri motion ra |
-022 |
|
Sec motion ra |
|
|
| Pri motion dec |
-019 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3604-00080-1 |
|
Gaia DR2 |
1973489579341108096 |
|
ADS |
15414 |
|
