20316+4113 CAN 75 AC

 
 
20h 31m 37.49s +41° 13' 20.9" P.A. 166.00 sep 8.2 mag 5.70,12.70 Sp O6IV
 
 
Coord 2000 20316+4113 Discov num CAN  75 Comp AC Coord arcsec 2000 20 31 37.49 +41 13 20.9
Date first 2005 Date last 2005 Obs 2
Pa first 166 Pa last 166.4 P.A. Now (θ) 166.4°
Sep first 8.2 Sep last 8.19 Sep. Now (ρ) 8.19"
Mag pri 5.70 Mag sec 12.70 delta mag (ΔM) 7 Spectral class O6IV (blue)
Pri motion ra -008 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes V K (Proper motion indicates physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
20316+4113 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 31 37 +41 13 21 ES 1679 AB 2015 9 214 4.0 10.57 13.20 2.63
Show 20 31 37 +41 13 21 CAN 75 AC 2005 2 166 8.2 5.70 12.70 7.00 <===
Show 20 31 37 +41 13 21 CAN 75 AD 2015 7 269 11.8 5.70 12.40 6.70
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3157-00299-1