20222+4015 BU 665 A,BC (Sadr)

 
 
20h 22m 13.70s +40 15' 24.0" P.A. 197.00 sep 147.1 mag 2.27,11.04 Sp F8Ib dist. 561.8 pc (1832.59 l.y.)
 
 
Coord 2000 20222+4015 Discov num BU  665 Comp A,BC Coord arcsec 2000 20 22 13.70 +40 15 24.0
Date first 1877 Date last 2010 Obs 11
Pa first 197 Pa last 197.1 P.A. Now (θ) 197.1°
Sep first 140.4 Sep last 147.08 Sep. Now (ρ) 147.08"
Mag pri 2.27 Mag sec 11.04 delta mag (ΔM) 8.77 Spectral class F8Ib (yellow-white)
Pri motion ra +002 Sec motion ra -013
Pri motion dec -001 Sec motion dec -017
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=1.025
This double is not physical.
 
 
20222+4015 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Sadr 49528 20 22 14 +40 15 24 BU 665 A,BC 2010 11 197 147.1 2.27 11.04 8.77 <===
Show 20 22 10 +40 13 07 BU 665 BC 2016 11 302 1.9 10.00 11.00 1.00
Show 20 22 10 +40 13 07 BU 665 BC,D 2002 3 131 41.0 11.04 13.58 2.54
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Sadr Var name NSV13048 Cyg Constellation Cygnus SAO 49528
HIP 100453 Tycho2 3156-02223-1 Gaia DR2 2067518817313277952 HD 194093
HR 7796 GC 28338 ADS 13765 BD BD+39 4159
Bayer Gamma Cygni Bayer name Gam Cyg Flamsteed 37 Cygni Flamsteed name 37 Cyg
FK5 765 Distance 561.8 Distance ly 1832.59 Bayer greek γ Cyg
Meaning Nepalese proposal; the Nepali name for the world's highest peak (Mount Everest).