20344-4221 DON 988 AB,C (HD 195706)
20h 34m 23.71s -42° 20' 11.0" P.A. 89.00 sep 23.2 mag 10.35,9.41 Sp G8III
| Coord 2000 |
20344-4221 |
|
Discov num |
DON 988 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
20 34 23.71 -42 20 11.0 |
|
| Date first |
1901 |
|
Date last |
2016 |
|
Obs |
10 |
|
| Pa first |
90 |
|
Pa last |
89.2 |
|
P.A. Now (θ) |
89.2° |
|
| Sep first |
23.1 |
|
Sep last |
23.248 |
|
Sep. Now (ρ) |
23.248" |
|
| Mag pri |
10.35 |
|
Mag sec |
9.41 |
|
delta mag (ΔM) |
0.94 |
|
Spectral class |
G8III (yellow) |
|
| Pri motion ra |
+013 |
|
Sec motion ra |
+024 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
rPM=0.457
Nature of this double is uncertain.
20344-4221 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 34 24 -42 20 11 |
DON 988 AB |
1991 |
5 |
118 |
0.6 |
10.79 |
11.14 |
0.35 |
|
|
| Show |
HD 195706 |
|
20 34 24 -42 20 11 |
DON 988 AB,C |
2016 |
10 |
89 |
23.2 |
10.35 |
9.41 |
0.94 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 195706 |
|
Constellation |
Microscopium |
|
Tycho2 |
7958-01006-1 |
|
Gaia DR2 |
6679549017234812416 |
|
| HD |
195706 |
|
