20169+4022 BU 661 AC

 
 
20h 16m 55.28s +40 21' 54.3" P.A. 217.00 sep 111.7 mag 5.44,13.68 Sp K3.5IIab dist. 483.09 pc (1575.84 l.y.)
 
 
Coord 2000 20169+4022 Discov num BU  661 Comp AC Coord arcsec 2000 20 16 55.28 +40 21 54.3
Date first 1912 Date last 2014 Obs 5
Pa first 218 Pa last 217.2 P.A. Now (θ) 217.2°
Sep first 111.7 Sep last 111.742 Sep. Now (ρ) 111.742"
Mag pri 5.44 Mag sec 13.68 delta mag (ΔM) 8.24 Spectral class K3.5IIab (yellow-orange)
Pri motion ra +002 Sec motion ra +001
Pri motion dec -001 Sec motion dec -002
Notes
rPM=0.632
Nature of this double is uncertain.
 
 
20169+4022 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show NSV12981 49410 20 16 55 +40 21 54 BU 661 AB 2014 16 69 12.3 5.24 11.50 6.26
Show 49410 20 16 55 +40 21 54 BU 661 AC 2014 5 217 111.7 5.44 13.68 8.24 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV12981 Constellation Cygnus SAO 49410 HIP 99968
Tycho2 3155-02323-1 Gaia DR2 2062313797982404608 HD 193092 HR 7759
ADS 13640 BD BD+39 4114 Distance 483.09 Distance ly 1575.84