20311+1648 ROE 14 AB

20h 31m 03.18s +16° 48' 41.3" P.A. 262.00 sep 7.0 mag 11.50,12.60

Coord 2000 20311+1648 Discov num ROE  14 Comp AB Coord arcsec 2000 20 31 03.18 +16 48 41.3
Date first 1909 Date last 2015 Obs 10
Pa first 259 Pa last 262.3 P.A. Now (θ) 262.3°
Sep first 7.0 Sep last 7.043 Sep. Now (ρ) 7.043"
Mag pri 11.50 Mag sec 12.60 delta mag (ΔM) 1.1 Spectral class
Pri motion ra +020 Sec motion ra -008
Pri motion dec -005 Sec motion dec +008
Notes




rPM=1.497

This double is not physical.



20311+1648 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 31 03 +16 48 41 ROE 14 AB 2015 10 262 7.0 11.50 12.60 1.10 <===
Show 20 31 03 +16 48 40 J 563 BC 2015 9 215 5.1 12.60 13.20 0.60


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Delphinus Gaia DR2 1811892598760871680