20144+4206 STF 2657 AC

 
 
20h 14m 21.53s +42 06' 15.6" P.A. 32.00 sep 11.6 mag 7.28,9.80 Sp B9IV-V dist. 581.4 pc (1896.53 l.y.)
 
 
Coord 2000 20144+4206 Discov num STF2657 Comp AC Coord arcsec 2000 20 14 21.53 +42 06 15.6
Date first 1828 Date last 2015 Obs 38
Pa first 33 Pa last 31.5 P.A. Now (θ) 31.5°
Sep first 9.0 Sep last 11.6 Sep. Now (ρ) 11.6"
Mag pri 7.28 Mag sec 9.80 delta mag (ΔM) 2.52 Spectral class B9IV-V (blue-white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -002 Sec motion dec -002
Notes
Nature of this double is uncertain.
 
 
20144+4206 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192659 49345 20 14 22 +42 06 16 STT 403 AB 2019 97 170 0.9 7.31 7.64 0.33
Show 49345 20 14 22 +42 06 16 STF 2657 AC 2015 38 32 11.6 7.28 9.80 2.52 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 49345 HIP 99749 Tycho2 3159-01225-1
Gaia DR2 2080681345889489664 HD 192659 HR 7737 ADS 13572
BD BD+41 3668 Distance 581.4 Distance ly 1896.53