20316+4059 CAN  13AB

 
 
20h 31m 36.91s +40 59' 09.3" P.A. 80.00 sep 5.2 mag 6.80,15.60 Sp O7I
 
 
Coord 2000
20316+4059
Discov num
CAN  13
Comp
AB
Coord arcsec 2000
20 31 36.91 +40 59 09.3
Date first
2008
Date last
2008
Obs
1
Pa first
80
Pa last
80
P.A. Now (θ)
80°
Sep first
5.2
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
6.80
Mag sec
15.60
delta mag (ΔM)
8.8
Spectral class
O7I (blue)
Pri motion ra
Sec motion ra
Pri motion dec
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
20316+4059 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20316+4059 CAN 13 AB 2008 2008 1 80 5.2 6.80 15.60 8.80 <===
Show 20316+4059 CAN 13 AC 2008 2014 4 261 12.6 6.80 14.20 7.40
Show 20316+4059 CAN 13 AD 2008 2008 1 351 13.9 6.80 13.00 6.20
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
79.5
Precise sep
5.2
Constellation
Cygnus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20316+4059 CAN 13 AB 2008 1 80 5.2 6.80 15.60 O7I K 203136.91+405909.3

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