20392+4017 ES 1980
20h 38m 59.77s +40° 17' 23.1" P.A. 60.00 sep 8.3 mag 11.27,13.90
| Coord 2000 |
20392+4017 |
|
Discov num |
ES 1980 |
|
Comp |
|
|
Coord arcsec 2000 |
20 38 59.77 +40 17 23.1 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
64 |
|
Pa last |
60.2 |
|
P.A. Now (θ) |
60.2° |
|
| Sep first |
7.1 |
|
Sep last |
8.254 |
|
Sep. Now (ρ) |
8.254" |
|
| Mag pri |
11.27 |
|
Mag sec |
13.90 |
|
delta mag (ΔM) |
2.63 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+005 |
|
| Notes |
|
|
rPM=1.63
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2064575218521319424 |
|
