20184+5524 STF 2671 AC

 
 
20h 18m 24.76s +55 23' 49.8" P.A. 53.00 sep 87.2 mag 6.01,12.40 Sp A2Vs dist. 90.5 pc (295.21 l.y.)
 
 
Coord 2000 20184+5524 Discov num STF2671 Comp AC Coord arcsec 2000 20 18 24.76 +55 23 49.8
Date first 1911 Date last 2003 Obs 4
Pa first 55 Pa last 53.2 P.A. Now (θ) 53.2°
Sep first 83.9 Sep last 87.163 Sep. Now (ρ) 87.163"
Mag pri 6.01 Mag sec 12.40 delta mag (ΔM) 6.39 Spectral class A2Vs (white)
Pri motion ra -008 Sec motion ra -005
Pri motion dec -031 Sec motion dec -001
Notes N (See Notes)
rPM=0.942
This double is not physical.
 
 
20184+5524 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 193592 32455 20 18 25 +55 23 50 STF 2671 AB 2021 120 337 3.8 6.01 7.51 1.50
Show 32455 20 18 25 +55 23 50 STF 2671 AC 2003 4 53 87.2 6.01 12.40 6.39 <===
Show 32455 20 18 25 +55 23 50 WOR 52 AE 2003 3 54 30.3 6.01 13.70 7.69
Show 20 18 33 +55 24 41 STF 2671 CD 2015 7 138 5.3 12.40 13.30 0.90
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 32455 HIP 100097 Tycho2 3941-01957-3
Gaia DR2 2186085478327859840 HD 193592 HR 7781 ADS 13692
BD BD+54 2329 Distance 90.5 Distance ly 295.21