20077+3709 POP 190 AB

 
 
20h 07m 40.47s +37° 08' 56.6" P.A. 186.00 sep 5.6 mag 11.74,12.60 Sp F2III
 
 
Coord 2000 20077+3709 Discov num POP 190 Comp AB Coord arcsec 2000 20 07 40.47 +37 08 56.6
Date first 1985 Date last 2015 Obs 8
Pa first 189 Pa last 185.6 P.A. Now (θ) 185.6°
Sep first 4.9 Sep last 5.592 Sep. Now (ρ) 5.592"
Mag pri 11.74 Mag sec 12.60 delta mag (ΔM) 0.86 Spectral class F2III (yellow-white)
Pri motion ra -002 Sec motion ra -014
Pri motion dec -007 Sec motion dec -049
Notes
rPM=0.857
This double is not physical.
 
 
20077+3709 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 07 40 +37 08 57 POP 190 AB 2015 8 186 5.6 11.74 12.60 0.86 <===
Show 20 07 40 +37 08 57 POP 190 AC 2015 4 230 40.8 11.74 12.70 0.96
Show 20 07 38 +37 08 30 POP 190 CD 2015 4 310 4.4 12.70 14.20 1.50
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2683-01251-1 Gaia DR2 2060030039314982272