20543-3243 UC 4321 AB (HD 198869)
20h 54m 20.65s -32° 42' 41.5" P.A. 38.00 sep 24.4 mag 9.72,11.44 Sp G6/K0III
| Coord 2000 |
20543-3243 |
|
Discov num |
UC 4321 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 54 20.65 -32 42 41.5 |
|
| Date first |
1911 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
38 |
|
Pa last |
37.5 |
|
P.A. Now (θ) |
37.5° |
|
| Sep first |
23.9 |
|
Sep last |
24.373 |
|
Sep. Now (ρ) |
24.373" |
|
| Mag pri |
9.72 |
|
Mag sec |
11.44 |
|
delta mag (ΔM) |
1.72 |
|
Spectral class |
G6/K0III (yellow) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-079 |
|
Sec motion dec |
-080 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.012 (< 0.3, Physical double)
This double is physical.
20543-3243 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
212534 |
20 54 21 -32 42 42 |
TDT 2622 Aa,Ab |
1991 |
1 |
232 |
0.5 |
10.50 |
10.50 |
0.00 |
|
|
| Show |
HD 198869 |
212534 |
20 54 21 -32 42 42 |
UC 4321 AB |
2015 |
6 |
38 |
24.4 |
9.72 |
11.44 |
1.72 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 198869 |
|
Constellation |
Microscopium |
|
SAO |
212534 |
|
Tycho2 |
7462-00436-1 |
|
| Gaia DR2 |
6781718626985486464 |
|
HD |
198869 |
|
DM |
CD-3315272 |
|
