20400-4359 DON 990 AC
20h 39m 57.04s -43° 59' 09.6" P.A. 292.00 sep 7.0 mag 10.15,14.20 Sp G0V
| Coord 2000 |
20400-4359 |
|
Discov num |
DON 990 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 39 57.04 -43 59 09.6 |
|
| Date first |
1929 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
286 |
|
Pa last |
291.7 |
|
P.A. Now (θ) |
291.7° |
|
| Sep first |
3.1 |
|
Sep last |
7.008 |
|
Sep. Now (ρ) |
7.008" |
|
| Mag pri |
10.15 |
|
Mag sec |
14.20 |
|
delta mag (ΔM) |
4.05 |
|
Spectral class |
G0V (yellow) |
|
| Pri motion ra |
+064 |
|
Sec motion ra |
-112 |
|
| Pri motion dec |
-043 |
|
Sec motion dec |
+026 |
|
| Notes |
|
|
rPM=1.644
This double is not physical.
20400-4359 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 196562 |
230314 |
20 39 57 -43 59 10 |
DON 990 AB |
2021 |
5 |
39 |
0.3 |
10.15 |
11.20 |
1.05 |
|
|
| Show |
|
230314 |
20 39 57 -43 59 10 |
DON 990 AC |
2015 |
4 |
292 |
7.0 |
10.15 |
14.20 |
4.05 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Microscopium |
|
SAO |
230314 |
|
Tycho2 |
7962-00616-1 |
|
Gaia DR2 |
6676167464927103872 |
|
| HD |
196562 |
|
