20457+3917 SEI 1241
20h 45m 39.29s +39° 16' 20.6" P.A. 309.00 sep 7.1 mag 11.30,11.48
| Coord 2000 |
20457+3917 |
|
Discov num |
SEI1241 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 39.29 +39 16 20.6 |
|
| Date first |
1896 |
|
Date last |
2016 |
|
Obs |
14 |
|
| Pa first |
308 |
|
Pa last |
308.7 |
|
P.A. Now (θ) |
308.7° |
|
| Sep first |
7.1 |
|
Sep last |
7.065 |
|
Sep. Now (ρ) |
7.065" |
|
| Mag pri |
11.30 |
|
Mag sec |
11.48 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.177 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3166-00174-2 |
|
Gaia DR2 |
2063489588241787392 |
|
