20309+5747 TDT 2333
20h 30m 53.76s +57° 46' 42.9" P.A. 138.00 sep 2.4 mag 10.30,12.19
| Coord 2000 |
20309+5747 |
|
Discov num |
TDT2333 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 53.76 +57 46 42.9 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
139 |
|
Pa last |
138 |
|
P.A. Now (θ) |
138° |
|
| Sep first |
2.3 |
|
Sep last |
2.422 |
|
Sep. Now (ρ) |
2.422" |
|
| Mag pri |
10.30 |
|
Mag sec |
12.19 |
|
delta mag (ΔM) |
1.89 |
|
Spectral class |
|
|
| Pri motion ra |
-009 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
+007 |
|
Sec motion dec |
+007 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3958-00345-1 |
|
Gaia DR2 |
2187468148560554496 |
|