18466+3853 ES 2021 AB

18h 46m 37.25s +38° 52' 24.3" P.A. 254.00 sep 20.2 mag 11.26,12.20

Coord 2000 18466+3853 Discov num ES 2021 Comp AB Coord arcsec 2000 18 46 37.25 +38 52 24.3
Date first 1923 Date last 2015 Obs 7
Pa first 252 Pa last 254.3 P.A. Now (θ) 254.3°
Sep first 21.3 Sep last 20.228 Sep. Now (ρ) 20.228"
Mag pri 11.26 Mag sec 12.20 delta mag (ΔM) 0.94 Spectral class
Pri motion ra -004 Sec motion ra +013
Pri motion dec -010 Sec motion dec -009
Notes




rPM=1.077

This double is not physical.



18466+3853 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 46 37 +38 52 24 ES 2021 AB 2015 7 254 20.2 11.26 12.20 0.94 <===
Show 18 46 37 +38 52 24 ES 2021 AC 2015 3 261 23.1 11.26 13.40 2.14
Show 18 46 36 +38 52 18 ES 2021 BC 2015 5 298 3.8 12.20 13.40 1.20


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Lyra Tycho2 3118-01777-1 Gaia DR2 2097370317487766144