21458+4029 ES 1693
21h 45m 47.81s +40° 29' 20.4" P.A. 34.00 sep 7.4 mag 9.24,13.20 Sp A5
| Coord 2000 |
21458+4029 |
|
Discov num |
ES 1693 |
|
Comp |
|
|
Coord arcsec 2000 |
21 45 47.81 +40 29 20.4 |
|
| Date first |
1917 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
42 |
|
Pa last |
33.8 |
|
P.A. Now (θ) |
33.8° |
|
| Sep first |
6.9 |
|
Sep last |
7.442 |
|
Sep. Now (ρ) |
7.442" |
|
| Mag pri |
9.24 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
3.96 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
-020 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3188-01352-1 |
|
Gaia DR2 |
1954430541703300096 |
|
