20305+1829 J 2313
20h 30m 30.18s +18° 29' 07.8" P.A. 137.00 sep 6.2 mag 11.50,13.20
| Coord 2000 |
20305+1829 |
|
Discov num |
J 2313 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 30.18 +18 29 07.8 |
|
| Date first |
1942 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
110 |
|
Pa last |
137.2 |
|
P.A. Now (θ) |
137.2° |
|
| Sep first |
5.0 |
|
Sep last |
6.206 |
|
Sep. Now (ρ) |
6.206" |
|
| Mag pri |
11.50 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
|
|
| Pri motion ra |
+015 |
|
Sec motion ra |
|
|
| Pri motion dec |
+007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Tycho2 |
1636-01503-1 |
|
Gaia DR2 |
1815161416768102272 |
|
