20452-3120 LDS 720 AB (AU Mic)
20h 45m 09.53s -31° 20' 27.2" P.A. 213.00 sep 999.9 mag 8.93,11.36 Sp M1Ve+M4Ve dist. 9.91 pc (32.33 l.y.)
Coord 2000 |
20452-3120 |
|
Discov num |
LDS 720 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 45 09.53 -31 20 27.2 |
|
Date first |
1920 |
|
Date last |
1999 |
|
Obs |
5 |
|
Pa first |
225 |
|
Pa last |
212.7 |
|
P.A. Now (θ) |
212.7° |
|
Sep first |
999.9 |
|
Sep last |
4680.48 |
|
Sep. Now (ρ) |
4680.48" |
|
Mag pri |
8.93 |
|
Mag sec |
11.36 |
|
delta mag (ΔM) |
2.43 |
|
Spectral class |
M1Ve+M4Ve (red/red) |
|
Pri motion ra |
+288 |
|
Sec motion ra |
+269 |
|
Pri motion dec |
-359 |
|
Sec motion dec |
-366 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.044 (< 0.3, Physical double)
This double is physical.
20452-3120 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
AU Mic |
212402 |
20 45 10 -31 20 27 |
LDS 720 AB |
1999 |
5 |
213 |
999.9 |
8.93 |
11.36 |
2.43 |
|
<=== |
Show |
|
212355 |
20 41 51 -32 26 07 |
LDS 720 BC |
2020 |
27 |
128 |
1.8 |
11.36 |
11.49 |
0.13 |
Y |
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
AU Mic |
|
Constellation |
Microscopium |
|
SAO |
212402 |
|
HIP |
102409 |
|
Tycho2 |
7457-00641-1 |
|
HD |
197481 |
|
GL |
Gl 803 |
|
CD |
CD-3117815 |
|
CP |
CP-31 6335 |
|
Distance |
9.91 |
|
Distance ly |
32.33 |
|