20557+4755 ES 813
20h 55m 48.33s +47° 54' 35.0" P.A. 237.00 sep 7.3 mag 9.96,12.50
| Coord 2000 |
20557+4755 |
|
Discov num |
ES 813 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 48.33 +47 54 35.0 |
|
| Date first |
1909 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
235 |
|
Pa last |
237.2 |
|
P.A. Now (θ) |
237.2° |
|
| Sep first |
5.2 |
|
Sep last |
7.323 |
|
Sep. Now (ρ) |
7.323" |
|
| Mag pri |
9.96 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
2.54 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
-033 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=1.237
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3579-03750-1 |
|
Gaia DR2 |
2167008230043576192 |
|
ADS |
14443 |
|
