20501+4404 STG 9 AC

 
 
20h 50m 04.93s +44° 03' 33.5" P.A. 83.00 sep 102.7 mag 5.04,13.11 Sp A4me dist. 40.97 pc (133.64 l.y.)
 
 
Coord 2000 20501+4404 Discov num STG   9 Comp AC Coord arcsec 2000 20 50 04.93 +44 03 33.5
Date first 1892 Date last 2014 Obs 7
Pa first 76 Pa last 82.8 P.A. Now (θ) 82.8°
Sep first 121.8 Sep last 102.698 Sep. Now (ρ) 102.698"
Mag pri 5.04 Mag sec 13.11 delta mag (ΔM) 8.07 Spectral class A4me (white)
Pri motion ra +123 Sec motion ra -015
Pri motion dec +132 Sec motion dec -005
Notes N (See Notes)
rPM=1.078
This double is not physical.
 
 
20501+4404 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 56 Cyg 50121 20 50 05 +44 03 34 STT 595 AB 2015 20 48 55.4 5.04 11.90 6.86
Show 50121 20 50 05 +44 03 34 STG 9 AC 2014 7 83 102.7 5.04 13.11 8.07 <===
Show 50121 20 50 05 +44 03 34 FYM 92 AD 2015 6 242 51.8 5.04 14.20 9.16
Show 50121 20 50 05 +44 03 34 FYM 92 AE 2015 6 190 35.2 5.04 13.90 8.86
Show 50121 20 50 05 +44 03 34 FYM 92 AF 2015 6 80 46.9 5.04 15.00 9.96
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 50121 HIP 102843 Tycho2 3179-01248-1
Gaia DR2 2067050940754838656 HD 198639 HR 7984 GC 29066
BD BD+43 3739 Flamsteed 56 Cygni Flamsteed name 56 Cyg FK5 3666
Distance 40.97 Distance ly 133.64