20222+4015 BU 665 BC

20h 22m 10.21s +40° 13' 06.7" P.A. 302.00 sep 1.9 mag 10.00,11.00

Coord 2000 20222+4015 Discov num BU  665 Comp BC Coord arcsec 2000 20 22 10.21 +40 13 06.7
Date first 1878 Date last 2016 Obs 11
Pa first 305 Pa last 301.8 P.A. Now (θ) 301.8°
Sep first 1.4 Sep last 1.867 Sep. Now (ρ) 1.867"
Mag pri 10.00 Mag sec 11.00 delta mag (ΔM) 1 Spectral class
Pri motion ra -014 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes N (See Notes)




Nature of this double is uncertain.



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

Constellation Cygnus Gaia DR2 2067518679874299776