20556+3911 MLB 784
20h 55m 37.07s +39° 11' 43.9" P.A. 25.00 sep 4.6 mag 12.30,12.40
Coord 2000 |
20556+3911 |
|
Discov num |
MLB 784 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 37.07 +39 11 43.9 |
|
Date first |
1932 |
|
Date last |
2016 |
|
Obs |
7 |
|
Pa first |
24 |
|
Pa last |
24.5 |
|
P.A. Now (θ) |
24.5° |
|
Sep first |
4.4 |
|
Sep last |
4.63 |
|
Sep. Now (ρ) |
4.63" |
|
Mag pri |
12.30 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
Pri motion ra |
-027 |
|
Sec motion ra |
-008 |
|
Pri motion dec |
-025 |
|
Sec motion dec |
+002 |
|
Notes |
|
|
rPM=0.897
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1872830561136481280 |
|