20404+3758 SEI 1212 AB

20h 40m 24.18s +37° 57' 47.5" P.A. 195.00 sep 18.9 mag 10.30,11.80

Coord 2000 20404+3758 Discov num SEI1212 Comp AB Coord arcsec 2000 20 40 24.18 +37 57 47.5
Date first 1896 Date last 2015 Obs 12
Pa first 191 Pa last 195 P.A. Now (θ) 195°
Sep first 24.9 Sep last 18.9 Sep. Now (ρ) 18.9"
Mag pri 10.30 Mag sec 11.80 delta mag (ΔM) 1.5 Spectral class
Pri motion ra -003 Sec motion ra -003
Pri motion dec -054 Sec motion dec +000
Notes




rPM=0.998

This double is not physical.



20404+3758 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 40 24 +37 57 48 SEI 1212 AB 2015 12 195 18.9 10.30 11.80 1.50 <===
Show 20 40 24 +37 57 48 FYM 327 AC 2015 7 30 14.0 10.30 14.90 4.60


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus Tycho2 3166-01587-1 Gaia DR2 2063493196004590208