21137+4453 LDS 2498
21h 13m 08.57s +44° 53' 00.0" P.A. 316.00 sep 13.0 mag 17.40,18.80
| Coord 2000 |
21137+4453 |
|
Discov num |
LDS2498 |
|
Comp |
|
|
Coord arcsec 2000 |
21 13 08.57 +44 53 00.0 |
|
| Date first |
1954 |
|
Date last |
1954 |
|
Obs |
1 |
|
| Pa first |
316 |
|
Pa last |
316 |
|
P.A. Now (θ) |
316° |
|
| Sep first |
13.0 |
|
Sep last |
13 |
|
Sep. Now (ρ) |
13" |
|
| Mag pri |
17.40 |
|
Mag sec |
18.80 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
|
|
| Pri motion ra |
+051 |
|
Sec motion ra |
|
|
| Pri motion dec |
+016 |
|
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 |
|