20578+3923 BKO 475
20h 57m 49.85s +39° 22' 42.7" P.A. 265.00 sep 5.5 mag 10.60,12.50
Coord 2000 |
20578+3923 |
|
Discov num |
BKO 475 |
|
Comp |
|
|
Coord arcsec 2000 |
20 57 49.85 +39 22 42.7 |
|
Date first |
2000 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
269 |
|
Pa last |
265.4 |
|
P.A. Now (θ) |
265.4° |
|
Sep first |
5.5 |
|
Sep last |
5.484 |
|
Sep. Now (ρ) |
5.484" |
|
Mag pri |
10.60 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
1.9 |
|
Spectral class |
|
|
Pri motion ra |
-001 |
|
Sec motion ra |
-021 |
|
Pri motion dec |
+021 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
rPM=1.498
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3171-00298-1 |
|
Gaia DR2 |
1873024173950071040 |
|