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