20345+4132 CAN 73 AB

 
 
20h 34m 29.60s +41° 31' 45.6" P.A. 180.00 sep 2.3 mag 6.70,11.60 Sp O7V
 
 
Coord 2000 20345+4132 Discov num CAN  73 Comp AB Coord arcsec 2000 20 34 29.60 +41 31 45.6
Date first 2008 Date last 2008 Obs 2
Pa first 180 Pa last 180.4 P.A. Now (θ) 180.4°
Sep first 2.3 Sep last 2.31 Sep. Now (ρ) 2.31"
Mag pri 6.70 Mag sec 11.60 delta mag (ΔM) 4.9 Spectral class O7V (blue)
Pri motion ra Sec motion ra
Pri motion dec 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.
 
 
20345+4132 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 34 30 +41 31 46 CAN 73 AB 2008 2 180 2.3 6.70 11.60 4.90 <===
Show 20 34 30 +41 31 46 CAN 73 AC 2008 2 109 5.2 6.70 13.70 7.00
Show 20 34 30 +41 31 46 CAN 73 AD 2008 1 210 6.8 6.70 15.00 8.30
Show 20 34 30 +41 31 46 CAN 73 AE 2008 1 275 9.5 6.70 15.10 8.40
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus