20221+3839 BKO 830
20h 22m 04.20s +38° 38' 36.2" P.A. 91.00 sep 8.5 mag 12.50,13.30
Coord 2000 |
20221+3839 |
|
Discov num |
BKO 830 |
|
Comp |
|
|
Coord arcsec 2000 |
20 22 04.20 +38 38 36.2 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
93 |
|
Pa last |
90.9 |
|
P.A. Now (θ) |
90.9° |
|
Sep first |
8.5 |
|
Sep last |
8.462 |
|
Sep. Now (ρ) |
8.462" |
|
Mag pri |
12.50 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
Pri motion ra |
-004 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
+012 |
|
Notes |
|
|
rPM=1.276
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3152-01261-1 |
|
Gaia DR2 |
2061179342508617472 |
|