20330+4118 CAN  44AB

 
 
20h 33m 02.92s +41 17' 43.1" P.A. 158.00 sep 2.9 mag 7.90,15.30 Sp O8V
 
 
Coord 2000
20330+4118
Discov num
CAN  44
Comp
AB
Coord arcsec 2000
20 33 02.92 +41 17 43.1
Date first
2008
Date last
2008
Obs
1
Pa first
158
Pa last
158
P.A. Now (θ)
158°
Sep first
2.9
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
7.90
Mag sec
15.30
delta mag (ΔM)
7.4
Spectral class
O8V (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.
 
 
20330+4118 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 49781 20330+4118 CAN 44 AB 2008 2008 1 158 2.9 7.90 15.30 7.40 <===
Show 49781 20330+4118 CAN 44 AC 2008 2008 1 191 5.2 7.90 15.30 7.40
Show 49781 20330+4118 CAN 44 AD 1998 2008 2 229 6.5 7.90 13.70 5.80
Show 49781 20330+4118 CAN 44 AE 2008 2008 1 71 6.7 7.90 16.80 8.90
Show 49781 20330+4118 CAN 44 AF 2008 2008 1 27 9.1 7.90 15.70 7.80
Show 49781 20330+4118 CAN 44 AG 2008 2008 1 44 10.1 7.90 16.40 8.50
Show 49781 20330+4118 CAN 44 AH 1998 2014 3 254 11.5 7.90 13.60 5.70
Show 49781 20330+4118 CAN 44 AI 1998 2014 5 120 12.9 7.90 12.50 4.60
Show 49781 20330+4118 CAN 44 AJ 1998 2008 2 205 14.8 7.90 15.00 7.10
Decuple system
10 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
157.8
Precise sep
2.93
Constellation
Cygnus
SAO
49781
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20330+4118 CAN 44 AB 2008 1 158 2.9 7.90 15.30 O8V V K 203302.92+411743.1

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