21180+0010 BUP 228 BC

 
 
21h 18m 10.24s +00° 11' 34.7" P.A. 117.00 sep 12.2 mag 9.53,11.20 Sp K0
 
 
Coord 2000 21180+0010 Discov num BUP 228 Comp BC Coord arcsec 2000 21 18 10.24 +00 11 34.7
Date first 1908 Date last 2020 Obs 11
Pa first 117 Pa last 117.1 P.A. Now (θ) 117.1°
Sep first 12.0 Sep last 12.24 Sep. Now (ρ) 12.24"
Mag pri 9.53 Mag sec 11.20 delta mag (ΔM) 1.67 Spectral class K0 (yellow-orange)
Pri motion ra +001 Sec motion ra +014
Pri motion dec -001 Sec motion dec +000
Notes U (Proper motion indicates non-physical)
rPM=0.931
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 Tycho2 0528-01459-1 Gaia DR2 2689456397032821760