20135+3828 ES 2121 AC

 
 
20h 13m 32.32s +38 28' 23.4" P.A. 233.00 sep 3.5 mag 11.40,12.80 Sp A2
 
 
Coord 2000 20135+3828 Discov num ES 2121 Comp AC Coord arcsec 2000 20 13 32.32 +38 28 23.4
Date first 1924 Date last 2016 Obs 5
Pa first 234 Pa last 233 P.A. Now (θ) 233°
Sep first 3.1 Sep last 3.531 Sep. Now (ρ) 3.531"
Mag pri 11.40 Mag sec 12.80 delta mag (ΔM) 1.4 Spectral class A2 (white)
Pri motion ra +010 Sec motion ra
Pri motion dec +002 Sec motion dec
Notes B (Blue magnitudes)
Nature of this double is uncertain.
 
 
20135+3828 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 228409 20 13 32 +38 28 23 TDT 2103 AB 1991 1 181 1.1 11.40 11.62 0.22
Show 20 13 32 +38 28 23 ES 2121 AC 2016 5 233 3.5 11.40 12.80 1.40 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3151-02624-1 Gaia DR2 2061700785915482112 HD 228409