20333+4120 CAN 53 AC

 
 
20h 33m 15.71s +41° 20' 17.2" P.A. 356.00 sep 4.9 mag 8.70,14.60 Sp O9V
 
 
Coord 2000 20333+4120 Discov num CAN  53 Comp AC Coord arcsec 2000 20 33 15.71 +41 20 17.2
Date first 2008 Date last 2008 Obs 2
Pa first 356 Pa last 356.1 P.A. Now (θ) 356.1°
Sep first 4.9 Sep last 4.93 Sep. Now (ρ) 4.93"
Mag pri 8.70 Mag sec 14.60 delta mag (ΔM) 5.9 Spectral class O9V (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.
 
 
20333+4120 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 33 16 +41 20 17 CAN 53 AB 2008 2 275 3.0 8.70 12.50 3.80
Show 20 33 16 +41 20 17 CAN 53 AC 2008 2 356 4.9 8.70 14.60 5.90 <===
Show 20 33 16 +41 20 17 CAN 53 AD 2008 1 19 6.2 8.80 16.40 7.60
Show 20 33 16 +41 20 17 CAN 53 AE 2008 2 237 6.2 8.80 14.90 6.10
Show 20 33 16 +41 20 17 CAN 53 AF 2008 3 103 6.4 8.80 13.60 4.80
Show 20 33 16 +41 20 17 CAN 53 AG 2013 4 14 8.6 8.80 12.10 3.30
Show 20 33 16 +41 20 17 CAN 53 AH 2008 2 64 9.3 8.80 15.70 6.90
Show 20 33 16 +41 20 17 CAN 53 AI 2008 2 245 11.1 8.80 15.70 6.90
Show 20 33 16 +41 20 17 CAN 53 AJ 2008 1 225 11.8 8.80 15.80 7.00
Show 20 33 16 +41 20 17 CAN 53 AK 2008 2 250 11.9 8.80 14.80 6.00
Show 20 33 16 +41 20 17 CAN 53 AL 2008 2 177 15.9 9.30 16.00 6.70
12-fold system
12 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus