20521+3645 ES 250
20h 52m 12.27s +36° 44' 23.1" P.A. 88.00 sep 4.4 mag 11.00,14.30
| Coord 2000 |
20521+3645 |
|
Discov num |
ES 250 |
|
Comp |
|
|
Coord arcsec 2000 |
20 52 12.27 +36 44 23.1 |
|
| Date first |
1905 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
88 |
|
Pa last |
88 |
|
P.A. Now (θ) |
88° |
|
| Sep first |
4.3 |
|
Sep last |
4.424 |
|
Sep. Now (ρ) |
4.424" |
|
| Mag pri |
11.00 |
|
Mag sec |
14.30 |
|
delta mag (ΔM) |
3.3 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
+034 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-021 |
|
| Notes |
|
|
rPM=1.078
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2700-03887-1 |
|
Gaia DR2 |
1870834157258195200 |
|
