20340+4118 CAN 68 AB

 
 
20h 33m 59.53s +41° 17' 35.5" P.A. 48.00 sep 0.8 mag 7.90,12.70 Sp O9.5V
 
 
Coord 2000 20340+4118 Discov num CAN  68 Comp AB Coord arcsec 2000 20 33 59.53 +41 17 35.5
Date first 2008 Date last 2008 Obs 1
Pa first 48 Pa last 47.5 P.A. Now (θ) 47.5°
Sep first 0.8 Sep last 0.82 Sep. Now (ρ) 0.82"
Mag pri 7.90 Mag sec 12.70 delta mag (ΔM) 4.8 Spectral class O9.5V (blue)
Pri motion ra +001 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes N V K (See Notes, 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.
 
 
20340+4118 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 33 60 +41 17 36 CAN 10 Aa,Ab 2007 2 226 0.0 12.70 13.60 0.90
Show 20 33 60 +41 17 36 CAN 68 AB 2008 1 48 0.8 7.90 12.70 4.80 <===
Show 20 33 60 +41 17 36 CAN 68 AC 2008 1 315 7.1 7.90 16.80 8.90
Show 20 33 60 +41 17 36 CAN 68 AD 2008 2 285 7.4 7.90 13.40 5.50
Show 20 33 60 +41 17 36 CAN 68 AE 2008 1 311 8.9 7.90 15.80 7.90
Show 20 33 60 +41 17 36 CAN 68 AF 2008 1 235 9.4 7.90 15.80 7.90
Show 20 33 60 +41 17 36 CAN 68 AG 2014 2 232 10.9 7.90 16.30 8.40
Show 20 33 60 +41 17 36 CAN 68 AH 2014 3 31 11.0 7.90 13.90 6.00
Ninefold system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus