20400-4359 DON 990 AB (HD 196562)
20h 39m 57.04s -43° 59' 09.6" P.A. 39.00 sep 0.3 mag 10.15,11.20 Sp G0V
Coord 2000 |
20400-4359 |
|
Discov num |
DON 990 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 39 57.04 -43 59 09.6 |
|
Date first |
1929 |
|
Date last |
2021 |
|
Obs |
5 |
|
Pa first |
35 |
|
Pa last |
39.2 |
|
P.A. Now (θ) |
39.2° |
|
Sep first |
0.3 |
|
Sep last |
0.284 |
|
Sep. Now (ρ) |
0.284" |
|
Mag pri |
10.15 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
1.05 |
|
Spectral class |
G0V (yellow) |
|
Pri motion ra |
+064 |
|
Sec motion ra |
|
|
Pri motion dec |
-043 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
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
Name |
HD 196562 |
|
Constellation |
Microscopium |
|
SAO |
230314 |
|
Tycho2 |
7962-00616-1 |
|
Gaia DR2 |
6676167464927103872 |
|
HD |
196562 |
|
DM |
CP-44 9863 |
|