20474+3629 S 765 AC

 
 
20h 47m 24.53s +36° 29' 26.7" P.A. 106.00 sep 82.8 mag 4.76,9.65 Sp B5Ve dist. 235.85 pc (769.34 l.y.)
 
 
Coord 2000 20474+3629 Discov num S   765 Comp AC Coord arcsec 2000 20 47 24.53 +36 29 26.7
Date first 1834 Date last 2018 Obs 28
Pa first 104 Pa last 105.7 P.A. Now (θ) 105.7°
Sep first 84.9 Sep last 82.77 Sep. Now (ρ) 82.77"
Mag pri 4.76 Mag sec 9.65 delta mag (ΔM) 4.89 Spectral class B5Ve (blue-white)
Pri motion ra +015 Sec motion ra -010
Pri motion dec -008 Sec motion dec -019
Notes N (See Notes)
rPM=1.272
This double is not physical.
 
 
20474+3629 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 70505 20 47 25 +36 29 27 MCA 63 Aa,Ab 2012 24 46 0.1 5.40 5.80 0.40 Y
Show Lam Cyg 70505 20 47 25 +36 29 27 STT 413 AB 2022 425 1 0.9 4.73 6.26 1.53 Y
Show 70505 20 47 25 +36 29 27 S 765 AC 2018 28 106 82.8 4.76 9.65 4.89 <===
Show 70505 20 47 25 +36 29 27 FYM 126 AF 2012 3 119 52.0 4.76 14.00 9.24
Show 20 47 31 +36 29 04 FYM 126 CD 2015 6 112 9.4 9.65 14.00 4.35
Show 20 47 31 +36 29 04 FYM 126 CE 2012 3 207 40.1 9.65 13.60 3.95
Septuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 70505 HIP 102589 Tycho2 2699-03425-1
Gaia DR2 1870779903225039872 HD 198183 HR 7963 GC 28994
ADS 14296 BD BD+35 4267 Bayer Lambda Cygni Bayer name Lam Cyg
Flamsteed 54 Cygni Flamsteed name 54 Cyg Distance 235.85 Distance ly 769.34
Bayer greek λ Cyg