21421-4131 BRT 1122
21h 42m 04.36s -41° 30' 53.3" P.A. 192.00 sep 3.5 mag 12.49,12.80
Coord 2000 |
21421-4131 |
|
Discov num |
BRT1122 |
|
Comp |
|
|
Coord arcsec 2000 |
21 42 04.36 -41 30 53.3 |
|
Date first |
1901 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
194 |
|
Pa last |
191.5 |
|
P.A. Now (θ) |
191.5° |
|
Sep first |
3.1 |
|
Sep last |
3.497 |
|
Sep. Now (ρ) |
3.497" |
|
Mag pri |
12.49 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
0.31 |
|
Spectral class |
|
|
Pri motion ra |
+017 |
|
Sec motion ra |
-007 |
|
Pri motion dec |
+039 |
|
Sec motion dec |
-067 |
|
Notes |
|
|
rPM=1.613
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Grus |
|
Tycho2 |
7989-00154-1 |
|
Gaia DR2 |
6578324399072481024 |
|