21181-2931 LDS 738 AB
21h 18m 05.11s -29° 30' 47.0" P.A. 182.00 sep 27.4 mag 8.30,12.60 Sp G5V dist. 44.96 pc (146.66 l.y.)
| Coord 2000 |
21181-2931 |
|
Discov num |
LDS 738 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 18 05.11 -29 30 47.0 |
|
| Date first |
1920 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
180 |
|
Pa last |
181.8 |
|
P.A. Now (θ) |
181.8° |
|
| Sep first |
27.0 |
|
Sep last |
27.35 |
|
Sep. Now (ρ) |
27.35" |
|
| Mag pri |
8.30 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
4.3 |
|
Spectral class |
G5V (yellow) |
|
| Pri motion ra |
+056 |
|
Sec motion ra |
+067 |
|
| Pri motion dec |
-130 |
|
Sec motion dec |
-045 |
|
| Notes |
N
Z
W
(See Notes, Parallax indicates components are physical, ) |
|
rPM=0.606
This double is physical.
21181-2931 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
190207 |
21 18 05 -29 30 47 |
LDS 738 Aa,Ab |
2016 |
2 |
101 |
4.8 |
8.30 |
15.70 |
7.40 |
|
|
| Show |
|
190207 |
21 18 05 -29 30 47 |
LDS 738 AB |
2016 |
8 |
182 |
27.4 |
8.30 |
12.60 |
4.30 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Microscopium |
|
SAO |
190207 |
|
HIP |
105156 |
|
Tycho2 |
6949-00566-1 |
|
| HD |
202648 |
|
CD |
CD-3018503 |
|
Distance |
44.96 |
|
Distance ly |
146.66 |
|
