12387-0422 S 639 AB (HD 109944)

 
 
12h 38m 43.36s -04° 22' 24.8" P.A. 109.00 sep 56.4 mag 6.82,9.99 Sp M0III dist. 250.63 pc (817.56 l.y.)
 
 
Coord 2000 12387-0422 Discov num S   639 Comp AB Coord arcsec 2000 12 38 43.36 -04 22 24.8
Date first 1783 Date last 2018 Obs 31
Pa first 97 Pa last 109.2 P.A. Now (θ) 109.2°
Sep first 46.7 Sep last 56.4 Sep. Now (ρ) 56.4"
Mag pri 6.82 Mag sec 9.99 delta mag (ΔM) 3.17 Spectral class M0III (red)
Pri motion ra -048 Sec motion ra -017
Pri motion dec -002 Sec motion dec -037
Notes N (See Notes)
rPM=0.973
This double is not physical.
 
 
12387-0422 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 109944 138885 12 38 43 -04 22 25 S 639 AB 2018 31 109 56.4 6.82 9.99 3.17 <===
Show 138885 12 38 43 -04 22 25 GIR 3 AC 2018 11 359 165.2 6.82 10.22 3.40
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 109944 Constellation Virgo SAO 138885 HIP 61685
Tycho2 4951-00492-1 Gaia DR2 3680452106958098560 HD 109944 GC 17218
BD BD-03 3329 Distance 250.63 Distance ly 817.56