20509+1953 UC 255
20h 50m 53.66s +19° 52' 44.5" P.A. 263.00 sep 11.9 mag 13.83,14.89
Coord 2000 |
20509+1953 |
|
Discov num |
UC 255 |
|
Comp |
|
|
Coord arcsec 2000 |
20 50 53.66 +19 52 44.5 |
|
Date first |
1999 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
263 |
|
Pa last |
262.8 |
|
P.A. Now (θ) |
262.8° |
|
Sep first |
11.9 |
|
Sep last |
11.911 |
|
Sep. Now (ρ) |
11.911" |
|
Mag pri |
13.83 |
|
Mag sec |
14.89 |
|
delta mag (ΔM) |
1.06 |
|
Spectral class |
|
|
Pri motion ra |
+008 |
|
Sec motion ra |
+013 |
|
Pri motion dec |
-133 |
|
Sec motion dec |
-133 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.037 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Gaia DR2 |
1813674670885071616 |
|