21180+0010 TOB 317 AD

 
 
21h 18m 02.97s +00° 09' 41.6" P.A. 53.00 sep 123.3 mag 8.29,12.75 Sp K2 dist. 19.82 pc (64.65 l.y.)
 
 
Coord 2000 21180+0010 Discov num TOB 317 Comp AD Coord arcsec 2000 21 18 02.97 +00 09 41.6
Date first 1982 Date last 2020 Obs 4
Pa first 55 Pa last 52.9 P.A. Now (θ) 52.9°
Sep first 126.6 Sep last 123.29 Sep. Now (ρ) 123.29"
Mag pri 8.29 Mag sec 12.75 delta mag (ΔM) 4.46 Spectral class K2 (yellow-orange)
Pri motion ra +468 Sec motion ra -003
Pri motion dec -185 Sec motion dec -007
Notes U (Proper motion indicates non-physical)
rPM=1.001
This double is not physical.
 
 
21180+0010 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 202751 145275 21 18 03 +00 09 42 ENG 82 AB 2020 12 41 152.5 8.29 9.53 1.24
Show 145275 21 18 03 +00 09 42 TOB 317 AD 2020 4 53 123.3 8.29 12.75 4.46 <===
Show 21 18 10 +00 11 35 BUP 228 BC 2020 11 117 12.2 9.53 11.20 1.67
Show 21 18 10 +00 11 35 LYS 44 BD 2020 7 181 41.2 9.53 12.75 3.22
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius SAO 145275 HIP 105152 Tycho2 0528-01809-1
HD 202751 GL Gl 825.3 BD BD-00 4195 Distance 19.82
Distance ly 64.65