21557+3708 ES 2523
21h 55m 51.35s +37° 07' 28.2" P.A. 32.00 sep 4.7 mag 11.00,11.00
| Coord 2000 |
21557+3708 |
|
Discov num |
ES 2523 |
|
Comp |
|
|
Coord arcsec 2000 |
21 55 51.35 +37 07 28.2 |
|
| Date first |
1931 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
28 |
|
Pa last |
31.6 |
|
P.A. Now (θ) |
31.6° |
|
| Sep first |
3.9 |
|
Sep last |
4.68 |
|
Sep. Now (ρ) |
4.68" |
|
| Mag pri |
11.00 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
-020 |
|
Sec motion ra |
+013 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
+019 |
|
| Notes |
|
|
rPM=1.895
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1949823656701532416 |
|
