21419-3710 BVD 154
21h 41m 54.30s -37° 09' 46.6" P.A. 100.00 sep 31.9 mag 10.25,11.20 Sp G0V+G9V
Coord 2000 |
21419-3710 |
|
Discov num |
BVD 154 |
|
Comp |
|
|
Coord arcsec 2000 |
21 41 54.30 -37 09 46.6 |
|
Date first |
1911 |
|
Date last |
2016 |
|
Obs |
9 |
|
Pa first |
100 |
|
Pa last |
99.5 |
|
P.A. Now (θ) |
99.5° |
|
Sep first |
31.6 |
|
Sep last |
31.868 |
|
Sep. Now (ρ) |
31.868" |
|
Mag pri |
10.25 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0.95 |
|
Spectral class |
G0V+G9V (yellow/yellow) |
|
Pri motion ra |
+057 |
|
Sec motion ra |
+060 |
|
Pri motion dec |
-022 |
|
Sec motion dec |
-022 |
|
Notes |
|
|
rPM=0.047 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Grus |
|
Tycho2 |
7493-00121-1 |
|
Gaia DR2 |
6586315275923449856 |
|