20345+4132 CAN  73AB

 
 
20h 34m 29.60s +41 31' 45.6" P.A. 180.00 sep 2.3 mag 6.70,11.60 Sp O7V
 
 
Coord 2000
20345+4132
Discov num
CAN  73
Comp
AB
Coord arcsec 2000
20 34 29.60 +41 31 45.6
Date first
2008
Date last
2008
Obs
2
Pa first
180
Pa last
180
P.A. Now (θ)
180°
Sep first
2.3
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
6.70
Mag sec
11.60
delta mag (ΔM)
4.9
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
This double is physical.
 
 
20345+4132 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20345+4132 CAN 73 AB 2008 2008 2 180 2.3 6.70 11.60 4.90 <===
Show 20345+4132 CAN 73 AC 2008 2008 2 109 5.2 6.70 13.70 7.00
Show 20345+4132 CAN 73 AD 2008 2008 1 210 6.8 6.70 15.00 8.30
Show 20345+4132 CAN 73 AE 2008 2008 1 275 9.5 6.70 15.10 8.40
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.4
Precise sep
2.31
Constellation
Cygnus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20345+4132 CAN 73 AB 2008 2 180 2.3 6.70 11.60 O7V V K 203429.60+413145.6

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