20581+2251 J 1893
20h 57m 50.13s +22° 56' 29.8" P.A. 22.00 sep 6.7 mag 13.50,14.70
| Coord 2000 |
20581+2251 |
|
Discov num |
J 1893 |
|
Comp |
|
|
Coord arcsec 2000 |
20 57 50.13 +22 56 29.8 |
|
| Date first |
1941 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
25 |
|
Pa last |
22.3 |
|
P.A. Now (θ) |
22.3° |
|
| Sep first |
7.0 |
|
Sep last |
6.748 |
|
Sep. Now (ρ) |
6.748" |
|
| Mag pri |
13.50 |
|
Mag sec |
14.70 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
U
(Proper motion indicates non-physical) |
|
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1839449697339723904 |
|
