20481+4738 TDT 2547
20h 48m 06.85s +47° 38' 18.6" P.A. 73.00 sep 2.5 mag 11.68,12.05
| Coord 2000 |
20481+4738 |
|
Discov num |
TDT2547 |
|
Comp |
|
|
Coord arcsec 2000 |
20 48 06.85 +47 38 18.6 |
|
| Date first |
1991 |
|
Date last |
2019 |
|
Obs |
5 |
|
| Pa first |
73 |
|
Pa last |
73.4 |
|
P.A. Now (θ) |
73.4° |
|
| Sep first |
2.9 |
|
Sep last |
2.5 |
|
Sep. Now (ρ) |
2.5" |
|
| Mag pri |
11.68 |
|
Mag sec |
12.05 |
|
delta mag (ΔM) |
0.37 |
|
Spectral class |
|
|
| Pri motion ra |
-012 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.096 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3578-00055-1 |
|
Gaia DR2 |
2166768502151411584 |
|
