20137-3407 HJ 5178 AB (HD 191957)

 
 
20h 13m 41.64s -34° 07' 03.7" P.A. 9.00 sep 2.8 mag 7.05,8.20 Sp K1/2III dist. 163.13 pc (532.13 l.y.)
 
 
Coord 2000 20137-3407 Discov num HJ 5178 Comp AB Coord arcsec 2000 20 13 41.64 -34 07 03.7
Date first 1834 Date last 2016 Obs 38
Pa first 10 Pa last 9.4 P.A. Now (θ) 9.4°
Sep first 2.5 Sep last 2.788 Sep. Now (ρ) 2.788"
Mag pri 7.05 Mag sec 8.20 delta mag (ΔM) 1.15 Spectral class K1/2III (yellow-orange)
Pri motion ra +024 Sec motion ra +024
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
20137-3407 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 191957 211916 20 13 42 -34 07 04 HJ 5178 AB 2016 38 9 2.8 7.05 8.20 1.15 <===
Show 211916 20 13 42 -34 07 04 JC 24 AC 2015 7 16 79.5 7.05 10.76 3.71
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 191957 Constellation Sagittarius SAO 211916 HIP 99681
Tycho2 7449-00342-1 Gaia DR2 6699448528429273600 HD 191957 GC 28060
CD CD-3414220 CP CP-34 8620 Distance 163.13 Distance ly 532.13