20416+3950 COU 2290
20h 41m 33.69s +39° 49' 50.8" P.A. 43.00 sep 0.5 mag 10.95,11.02
| Coord 2000 |
20416+3950 |
|
Discov num |
COU2290 |
|
Comp |
|
|
Coord arcsec 2000 |
20 41 33.69 +39 49 50.8 |
|
| Date first |
1985 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
47 |
|
Pa last |
43.3 |
|
P.A. Now (θ) |
43.3° |
|
| Sep first |
0.6 |
|
Sep last |
0.545 |
|
Sep. Now (ρ) |
0.545" |
|
| Mag pri |
10.95 |
|
Mag sec |
11.02 |
|
delta mag (ΔM) |
0.07 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3170-01407-1 |
|
