20545+3937 BRT 2281
20h 54m 27.32s +39° 36' 34.9" P.A. 73.00 sep 3.6 mag 10.50,11.20
Coord 2000 |
20545+3937 |
|
Discov num |
BRT2281 |
|
Comp |
|
|
Coord arcsec 2000 |
20 54 27.32 +39 36 34.9 |
|
Date first |
1892 |
|
Date last |
2016 |
|
Obs |
8 |
|
Pa first |
71 |
|
Pa last |
73.1 |
|
P.A. Now (θ) |
73.1° |
|
Sep first |
3.4 |
|
Sep last |
3.595 |
|
Sep. Now (ρ) |
3.595" |
|
Mag pri |
10.50 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
|
|
Pri motion ra |
-074 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-048 |
|
Sec motion dec |
-025 |
|
Notes |
|
|
rPM=0.846
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1872901200454793472 |
|