20177+2025 J 2308 BC

 
 
20h 17m 41.97s +20° 25' 31.0" P.A. 297.00 sep 5.7 mag 15.50,14.00
 
 
Coord 2000 20177+2025 Discov num J  2308 Comp BC Coord arcsec 2000 20 17 41.97 +20 25 31.0
Date first 1999 Date last 2019 Obs 10
Pa first 296 Pa last 296.5 P.A. Now (θ) 296.5°
Sep first 5.8 Sep last 5.7 Sep. Now (ρ) 5.7"
Mag pri 15.50 Mag sec 14.00 delta mag (ΔM) 1.5 Spectral class
Pri motion ra +002 Sec motion ra +085
Pri motion dec -015 Sec motion dec +000
Notes
rPM=0.992
This double is not physical.
 
 
20177+2025 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 193079 88476 20 17 45 +20 25 23 COU 219 Aa,Ab 2013 14 109 0.4 8.50 9.80 1.30
Show 88476 20 17 45 +20 25 23 J 2308 AB 2019 11 283 37.0 8.30 15.50 7.20
Show 88476 20 17 45 +20 25 23 J 2308 AC 2019 10 284 42.5 8.30 14.00 5.70
Show 88476 20 17 45 +20 25 23 BTG 4 AD 2015 8 170 33.8 8.30 13.50 5.20
Show 88476 20 17 45 +20 25 23 BTG 4 AE 2015 8 267 28.9 8.30 14.20 5.90
Show 20 17 42 +20 25 31 J 2308 BC 2019 10 297 5.7 15.50 14.00 1.50 <===
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Gaia DR2 1828622737634805504