20337+4130 CAN 64 AC

 
 
20h 33m 40.87s +41° 30' 19.0" P.A. 291.00 sep 3.8 mag 8.60,13.30 Sp O7V
 
 
Coord 2000 20337+4130 Discov num CAN  64 Comp AC Coord arcsec 2000 20 33 40.87 +41 30 19.0
Date first 2008 Date last 2008 Obs 2
Pa first 291 Pa last 290.9 P.A. Now (θ) 290.9°
Sep first 3.8 Sep last 3.78 Sep. Now (ρ) 3.78"
Mag pri 8.60 Mag sec 13.30 delta mag (ΔM) 4.7 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.
 
 
20337+4130 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 33 41 +41 30 19 CAN 64 AB 2008 2 137 1.9 8.60 13.40 4.80
Show 20 33 41 +41 30 19 CAN 64 AC 2008 2 291 3.8 8.60 13.30 4.70 <===
Show 20 33 41 +41 30 19 CAN 64 AD 2008 1 170 6.2 8.60 16.70 8.10
Show 20 33 41 +41 30 19 CAN 64 AE 2008 1 36 7.7 8.60 15.80 7.20
Show 20 33 41 +41 30 19 CAN 64 AF 2008 1 63 8.1 8.60 16.20 7.60
Show 20 33 41 +41 30 19 CAN 64 AG 2008 1 202 9.2 8.60 16.40 7.80
Show 20 33 41 +41 30 19 CAN 64 AH 2012 4 36 10.9 8.60 14.90 6.30
Show 20 33 41 +41 30 19 CAN 64 AI 2008 3 329 12.2 8.60 15.50 6.90
Ninefold system
9 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus