21121+4123 LDS 2494
21h 12m 60.00s +41° 23' 00.0" P.A. 212.00 sep 2.0 mag 15.50,16.50
| Coord 2000 |
21121+4123 |
|
Discov num |
LDS2494 |
|
Comp |
|
|
Coord arcsec 2000 |
21 12 60.00 +41 23 00.0 |
|
| Date first |
1954 |
|
Date last |
1954 |
|
Obs |
1 |
|
| Pa first |
212 |
|
Pa last |
212 |
|
P.A. Now (θ) |
212° |
|
| Sep first |
2.0 |
|
Sep last |
2 |
|
Sep. Now (ρ) |
2" |
|
| Mag pri |
15.50 |
|
Mag sec |
16.50 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
+082 |
|
Sec motion ra |
|
|
| Pri motion dec |
+050 |
|
Sec motion dec |
|
|
| Notes |
X
(Dubious double) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Coordinate calcolate |
1 |
|
Coordinate calculated |
yes |
|
