20344-4221 DON 988 AB
20h 34m 23.71s -42° 20' 11.0" P.A. 118.00 sep 0.6 mag 10.79,11.14 Sp G5
Coord 2000 |
20344-4221 |
|
Discov num |
DON 988 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 34 23.71 -42 20 11.0 |
|
Date first |
1932 |
|
Date last |
1991 |
|
Obs |
5 |
|
Pa first |
118 |
|
Pa last |
117.5 |
|
P.A. Now (θ) |
117.5° |
|
Sep first |
0.6 |
|
Sep last |
0.62 |
|
Sep. Now (ρ) |
0.62" |
|
Mag pri |
10.79 |
|
Mag sec |
11.14 |
|
delta mag (ΔM) |
0.35 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+013 |
|
Sec motion ra |
|
|
Pri motion dec |
+004 |
|
Sec motion dec |
|
|
Notes |
|
|
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
Constellation |
Microscopium |
|
Tycho2 |
7958-01006-1 |
|
Gaia DR2 |
6679549017234812416 |
|