20306+3029 ES 505 (HD 334550)
20h 30m 36.68s +30° 29' 25.4" P.A. 15.00 sep 2.1 mag 11.40,12.20
| Coord 2000 |
20306+3029 |
|
Discov num |
ES 505 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 36.68 +30 29 25.4 |
|
| Date first |
1907 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
13 |
|
Pa last |
14.5 |
|
P.A. Now (θ) |
14.5° |
|
| Sep first |
1.9 |
|
Sep last |
2.114 |
|
Sep. Now (ρ) |
2.114" |
|
| Mag pri |
11.40 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-025 |
|
Sec motion dec |
-025 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 334550 |
|
Constellation |
Cygnus |
|
Tycho2 |
2685-00569-1 |
|
Gaia DR2 |
1861045548831702144 |
|
| HD |
334550 |
|
