20191+3916 TRN 28 AB

 
 
20h 19m 08.50s +39° 16' 24.3" P.A. 80.00 sep 4.9 mag 7.44,13.00 Sp O7Ib dist. 925.93 pc (3020.38 l.y.)
 
 
Coord 2000 20191+3916 Discov num TRN  28 Comp AB Coord arcsec 2000 20 19 08.50 +39 16 24.3
Date first 2001 Date last 2015 Obs 3
Pa first 78 Pa last 80.1 P.A. Now (θ) 80.1°
Sep first 4.8 Sep last 4.861 Sep. Now (ρ) 4.861"
Mag pri 7.44 Mag sec 13.00 delta mag (ΔM) 5.56 Spectral class O7Ib (blue)
Pri motion ra -002 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20191+3916 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69826 20 19 08 +39 16 24 TRN 28 AB 2015 3 80 4.9 7.44 13.00 5.56 <===
Show 69826 20 19 08 +39 16 24 TRN 28 AC 2002 2 158 3.2 7.44 15.00 7.56
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69826 HIP 100173 Tycho2 3151-00549-1
Gaia DR2 2061457553312825600 HD 193514 BD BD+38 4006 Distance 925.93
Distance ly 3020.38