20231+5504 OL 74
20h 21m 09.13s +55° 03' 19.9" P.A. 41.00 sep 3.9 mag 12.80,12.90
Coord 2000 |
20231+5504 |
|
Discov num |
OL 74 |
|
Comp |
|
|
Coord arcsec 2000 |
20 21 09.13 +55 03 19.9 |
|
Date first |
1916 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
41 |
|
Pa last |
41.1 |
|
P.A. Now (θ) |
41.1° |
|
Sep first |
3.8 |
|
Sep last |
3.938 |
|
Sep. Now (ρ) |
3.938" |
|
Mag pri |
12.80 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
Pri motion ra |
-013 |
|
Sec motion ra |
+073 |
|
Pri motion dec |
-012 |
|
Sec motion dec |
+076 |
|
Notes |
N
R
(See Notes, Red magnitudes) |
|
rPM=1.168
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2185312624734214656 |
|
ADS |
13800 |
|