20154+0042 HWE 100 AC

 
 
20h 15m 22.30s +00 42' 22.1" P.A. 271.00 sep 31.3 mag 9.57,11.01 Sp G5
 
 
Coord 2000 20154+0042 Discov num HWE 100 Comp AC Coord arcsec 2000 20 15 22.30 +00 42 22.1
Date first 1879 Date last 2015 Obs 14
Pa first 271 Pa last 270.7 P.A. Now (θ) 270.7°
Sep first 31.2 Sep last 31.254 Sep. Now (ρ) 31.254"
Mag pri 9.57 Mag sec 11.01 delta mag (ΔM) 1.44 Spectral class G5 (yellow)
Pri motion ra +021 Sec motion ra +020
Pri motion dec +012 Sec motion dec +010
Notes
rPM=0.092 (< 0.3, Physical double)
This double is physical.
 
 
20154+0042 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192542 20 15 22 +00 42 22 HWE 100 AB 1994 8 253 1.7 9.57 11.00 1.43
Show 20 15 22 +00 42 22 HWE 100 AC 2015 14 271 31.3 9.57 11.01 1.44 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Tycho2 0496-01289-1 Gaia DR2 4242498811579359360 HD 192542
DM BD+00 4453