21348+3016 ES 380 CD

21h 34m 51.93s +30° 16' 05.6" P.A. 312.00 sep 2.9 mag 11.41,12.09

Coord 2000 21348+3016 Discov num ES  380 Comp CD Coord arcsec 2000 21 34 51.93 +30 16 05.6
Date first 1894 Date last 2015 Obs 7
Pa first 315 Pa last 311.5 P.A. Now (θ) 311.5°
Sep first 2.1 Sep last 2.91 Sep. Now (ρ) 2.91"
Mag pri 11.41 Mag sec 12.09 delta mag (ΔM) 0.68 Spectral class
Pri motion ra +030 Sec motion ra -014
Pri motion dec -033 Sec motion dec +007
Notes




rPM=1.333

This double is not physical.



21348+3016 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 34 47 +30 16 23 ES 380 AB 2015 8 49 16.2 9.98 15.50 5.52
Show 21 34 47 +30 16 23 ES 380 AC 2015 9 106 61.5 9.98 11.45 1.47
Show 21 34 52 +30 16 06 ES 380 CD 2015 7 312 2.9 11.41 12.09 0.68 <===


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus Tycho2 2704-00054-1 Gaia DR2 1849676907826384512