20319+3024 BRT 280
20h 31m 51.63s +30° 24' 21.8" P.A. 48.00 sep 4.8 mag 12.46,12.70
| Coord 2000 |
20319+3024 |
|
Discov num |
BRT 280 |
|
Comp |
|
|
Coord arcsec 2000 |
20 31 51.63 +30 24 21.8 |
|
| Date first |
1901 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
48 |
|
Pa last |
47.5 |
|
P.A. Now (θ) |
47.5° |
|
| Sep first |
4.0 |
|
Sep last |
4.79 |
|
Sep. Now (ρ) |
4.79" |
|
| Mag pri |
12.46 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
0.24 |
|
Spectral class |
|
|
| Pri motion ra |
-019 |
|
Sec motion ra |
+036 |
|
| Pri motion dec |
-023 |
|
Sec motion dec |
+015 |
|
| Notes |
|
|
rPM=1.714
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2685-01640-1 |
|
Gaia DR2 |
1860998609121815040 |
|
