20492+3111 LDS 2930
20h 49m 13.24s +31° 11' 02.4" P.A. 273.00 sep 22.2 mag 10.50,15.70
| Coord 2000 |
20492+3111 |
|
Discov num |
LDS2930 |
|
Comp |
|
|
Coord arcsec 2000 |
20 49 13.24 +31 11 02.4 |
|
| Date first |
1953 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
273 |
|
Pa last |
272.9 |
|
P.A. Now (θ) |
272.9° |
|
| Sep first |
22.0 |
|
Sep last |
22.168 |
|
Sep. Now (ρ) |
22.168" |
|
| Mag pri |
10.50 |
|
Mag sec |
15.70 |
|
delta mag (ΔM) |
5.2 |
|
Spectral class |
|
|
| Pri motion ra |
+054 |
|
Sec motion ra |
|
|
| Pri motion dec |
+019 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2687-01507-1 |
|
Gaia DR2 |
1859558459355759488 |
|