21185+3037 FYM 538 BC

21h 18m 48.41s +30° 37' 17.2" P.A. 218.00 sep 5.7 mag 13.00,16.10

Coord 2000 21185+3037 Discov num FYM 538 Comp BC Coord arcsec 2000 21 18 48.41 +30 37 17.2
Date first 1997 Date last 2015 Obs 4
Pa first 222 Pa last 218.4 P.A. Now (θ) 218.4°
Sep first 5.9 Sep last 5.665 Sep. Now (ρ) 5.665"
Mag pri 13.00 Mag sec 16.10 delta mag (ΔM) 3.1 Spectral class
Pri motion ra -016 Sec motion ra +103
Pri motion dec -014 Sec motion dec -011
Notes




rPM=1.149

This double is not physical.



21185+3037 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 18 49 +30 37 25 FYM 538 AB 2016 8 192 7.0 11.90 13.00 1.10
Show 21 18 48 +30 37 17 FYM 538 BC 2015 4 218 5.7 13.00 16.10 3.10 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus Gaia DR2 1852010105861519232