20171+3738 SLE 986 AC

 
 
20h 17m 03.70s +37° 38' 24.8" P.A. 1.00 sep 17.9 mag 10.78,12.40
 
 
Coord 2000 20171+3738 Discov num SLE 986 Comp AC Coord arcsec 2000 20 17 03.70 +37 38 24.8
Date first 1929 Date last 2022 Obs 11
Pa first 2 Pa last 1.2 P.A. Now (θ) 1.2°
Sep first 18.0 Sep last 17.9 Sep. Now (ρ) 17.9"
Mag pri 10.78 Mag sec 12.40 delta mag (ΔM) 1.62 Spectral class
Pri motion ra -000 Sec motion ra +003
Pri motion dec -004 Sec motion dec +010
Notes
rPM=1.371
This double is not physical.
 
 
20171+3738 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 17 04 +37 38 25 SLE 986 AB 2022 8 347 6.4 10.78 15.10 4.32
Show 20 17 04 +37 38 25 SLE 986 AC 2022 11 1 17.9 10.78 12.40 1.62 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3151-01063-1 Gaia DR2 2060668585010192256