20338+4120 CAN 66 AB

20h 33m 47.84s +41° 20' 41.5" P.A. 42.00 sep 0.3 mag 7.20,12.40 Sp B1III

Coord 2000 20338+4120 Discov num CAN  66 Comp AB Coord arcsec 2000 20 33 47.84 +41 20 41.5
Date first 2008 Date last 2008 Obs 2
Pa first 42 Pa last 41.9 P.A. Now (θ) 41.9°
Sep first 0.3 Sep last 0.32 Sep. Now (ρ) 0.32"
Mag pri 7.20 Mag sec 12.40 delta mag (ΔM) 5.2 Spectral class B1III (blue-white)
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.



20338+4120 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 33 48 +41 20 42 CAN 66 AB 2008 2 42 0.3 7.20 12.40 5.20 <===
Show 20 33 48 +41 20 42 CAN 66 AC 2008 1 190 1.7 7.20 15.00 7.80
Show 20 33 48 +41 20 42 CAN 66 AD 2008 2 200 5.8 7.20 14.00 6.80
Show 20 33 48 +41 20 42 CAN 66 AE 2008 2 49 14.6 7.20 14.90 7.70


Quintuple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus