20533-2821 COO 290 (HD 198750)
20h 53m 19.52s -28° 21' 04.8" P.A. 248.00 sep 7.3 mag 10.21,10.47 Sp B+F6/7V
| Coord 2000 |
20533-2821 |
|
Discov num |
COO 290 |
|
Comp |
|
|
Coord arcsec 2000 |
20 53 19.52 -28 21 04.8 |
|
| Date first |
1913 |
|
Date last |
2016 |
|
Obs |
12 |
|
| Pa first |
248 |
|
Pa last |
247.8 |
|
P.A. Now (θ) |
247.8° |
|
| Sep first |
8.2 |
|
Sep last |
7.341 |
|
Sep. Now (ρ) |
7.341" |
|
| Mag pri |
10.21 |
|
Mag sec |
10.47 |
|
delta mag (ΔM) |
0.26 |
|
Spectral class |
B+F6/7V (blue-white/yellow-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-026 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
-022 |
|
| Notes |
U
(Proper motion indicates non-physical) |
|
rPM=0.734
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 198750 |
|
Constellation |
Microscopium |
|
SAO |
189805 |
|
Tycho2 |
6934-00071-1 |
|
| Gaia DR2 |
6801583434847143808 |
|
HD |
198750 |
|
