20530+3851 ALI 954
20h 53m 02.99s +38° 50' 53.2" P.A. 61.00 sep 8.9 mag 12.80,13.20
Coord 2000 |
20530+3851 |
|
Discov num |
ALI 954 |
|
Comp |
|
|
Coord arcsec 2000 |
20 53 02.99 +38 50 53.2 |
|
Date first |
1928 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
57 |
|
Pa last |
60.9 |
|
P.A. Now (θ) |
60.9° |
|
Sep first |
8.7 |
|
Sep last |
8.861 |
|
Sep. Now (ρ) |
8.861" |
|
Mag pri |
12.80 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
Pri motion ra |
-010 |
|
Sec motion ra |
-009 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
rPM=0.126 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1872716692963206784 |
|