21098+3143 ES 2440
21h 09m 47.08s +31° 43' 29.3" P.A. 202.00 sep 5.0 mag 10.89,11.90
| Coord 2000 |
21098+3143 |
|
Discov num |
ES 2440 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 47.08 +31 43 29.3 |
|
| Date first |
1930 |
|
Date last |
1930 |
|
Obs |
1 |
|
| Pa first |
202 |
|
Pa last |
202.4 |
|
P.A. Now (θ) |
202.4° |
|
| Sep first |
5.0 |
|
Sep last |
5 |
|
Sep. Now (ρ) |
5" |
|
| Mag pri |
10.89 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
1.01 |
|
Spectral class |
|
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-057 |
|
Sec motion dec |
|
|
| Notes |
X
(Dubious double) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2702-00126-1 |
|
Gaia DR2 |
1853067011422948736 |
|
