20521+4438 HER 18
20h 52m 03.78s +44° 37' 28.9" P.A. 85.00 sep 60.7 mag 17.00,17.00
Coord 2000 |
20521+4438 |
|
Discov num |
HER 18 |
|
Comp |
|
|
Coord arcsec 2000 |
20 52 03.78 +44 37 28.9 |
|
Date first |
1960 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
80 |
|
Pa last |
85.1 |
|
P.A. Now (θ) |
85.1° |
|
Sep first |
40.0 |
|
Sep last |
60.735 |
|
Sep. Now (ρ) |
60.735" |
|
Mag pri |
17.00 |
|
Mag sec |
17.00 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
Pri motion ra |
-006 |
|
Sec motion ra |
|
|
Pri motion dec |
-012 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2163147741628918400 |
|