20587+3942 BKO 477
20h 58m 39.08s +39° 41' 24.2" P.A. 8.00 sep 7.6 mag 13.60,13.80
Coord 2000 |
20587+3942 |
|
Discov num |
BKO 477 |
|
Comp |
|
|
Coord arcsec 2000 |
20 58 39.08 +39 41 24.2 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
9 |
|
Pa last |
8.3 |
|
P.A. Now (θ) |
8.3° |
|
Sep first |
7.9 |
|
Sep last |
7.57 |
|
Sep. Now (ρ) |
7.57" |
|
Mag pri |
13.60 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
Pri motion ra |
+008 |
|
Sec motion ra |
-008 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
-024 |
|
Notes |
|
|
rPM=1.241
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1873038059595346048 |
|