20571+3920 BKO 473
20h 57m 06.73s +39° 20' 25.6" P.A. 34.00 sep 5.4 mag 13.50,13.50
Coord 2000 |
20571+3920 |
|
Discov num |
BKO 473 |
|
Comp |
|
|
Coord arcsec 2000 |
20 57 06.73 +39 20 25.6 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
34 |
|
Pa last |
34 |
|
P.A. Now (θ) |
34° |
|
Sep first |
5.2 |
|
Sep last |
5.44 |
|
Sep. Now (ρ) |
5.44" |
|
Mag pri |
13.50 |
|
Mag sec |
13.50 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
Pri motion ra |
-011 |
|
Sec motion ra |
|
|
Pri motion dec |
-026 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1872652062295998976 |
|