20314+4131 CAN  31AB

 
 
20h 31m 22.04s +41 31' 28.4" P.A. 116.00 sep 3.9 mag 7.60,13.40 Sp B1I
 
 
Coord 2000
20314+4131
Discov num
CAN  31
Comp
AB
Coord arcsec 2000
20 31 22.04 +41 31 28.4
Date first
2008
Date last
2008
Obs
2
Pa first
116
Pa last
116
P.A. Now (θ)
116°
Sep first
3.9
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
7.60
Mag sec
13.40
delta mag (ΔM)
5.8
Spectral class
B1I (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
This double is physical.
 
 
20314+4131 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20314+4131 CAN 31 AB 2008 2008 2 116 3.9 7.60 13.40 5.80 <===
Show 20314+4131 CAN 31 AC 2008 2008 2 30 6.0 7.60 14.50 6.90
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
115.5
Precise sep
3.9
Constellation
Cygnus
Tycho2
3161-00906-1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20314+4131 CAN 31 AB 2008 2 116 3.9 7.60 13.40 B1I V K 203122.04+413128.4

If you need more information about this double, apply for a data request form to the WDS.