20344+4117 CAN 76 AI

 
 
20h 34m 21.93s +41° 17' 01.6" P.A. 185.00 sep 8.4 mag 7.60,12.30 Sp O8III
 
 
Coord 2000 20344+4117 Discov num CAN  76 Comp AI Coord arcsec 2000 20 34 21.93 +41 17 01.6
Date first 1998 Date last 2015 Obs 6
Pa first 185 Pa last 184.7 P.A. Now (θ) 184.7°
Sep first 8.3 Sep last 8.407 Sep. Now (ρ) 8.407"
Mag pri 7.60 Mag sec 12.30 delta mag (ΔM) 4.7 Spectral class O8III (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.
 
 
20344+4117 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 34 22 +41 17 02 CAN 76 AB 2008 1 118 0.6 7.60 12.20 4.60
Show 20 34 22 +41 17 02 CAN 76 AC 2008 1 65 2.9 7.60 15.80 8.20
Show 20 34 22 +41 17 02 CAN 76 AD 2008 1 107 3.3 7.60 14.80 7.20
Show 20 34 22 +41 17 02 CAN 76 AE 2008 1 21 4.4 7.60 16.20 8.60
Show 20 34 22 +41 17 02 CAN 76 AF 2008 1 50 4.7 7.60 15.30 7.70
Show 20 34 22 +41 17 02 CAN 76 AG 2008 1 28 5.5 7.60 15.70 8.10
Show 20 34 22 +41 17 02 CAN 76 AH 2008 1 42 6.6 7.60 14.70 7.10
Show 20 34 22 +41 17 02 CAN 76 AI 2015 6 185 8.4 7.60 12.30 4.70 <===
Show 20 34 22 +41 17 02 CAN 76 AJ 2008 1 285 8.5 7.60 15.00 7.40
Show 20 34 22 +41 17 02 CAN 76 AK 2008 1 268 9.0 7.60 14.20 6.60
Show 20 34 22 +41 17 02 CAN 76 AL 2008 1 9 11.5 7.60 14.50 6.90
Show 20 34 22 +41 17 02 CAN 76 AM 2014 5 167 12.4 7.60 14.10 6.50
13-fold system
13 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus