20340+4118 CAN  68AB

 
 
20h 33m 59.53s +41 17' 35.5" P.A. 48.00 sep 0.8 mag 7.90,12.70 Sp O9.5V
 
 
Coord 2000
20340+4118
Discov num
CAN  68
Comp
AB
Coord arcsec 2000
20 33 59.53 +41 17 35.5
Date first
2008
Date last
2008
Obs
1
Pa first
48
Pa last
48
P.A. Now (θ)
48°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
7.90
Mag sec
12.70
delta mag (ΔM)
4.8
Spectral class
O9.5V (blue)
Pri motion ra
+001
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star This double is physical.
 
 
20340+4118 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20340+4118 CAN 10 Aa,Ab 2007 2007 2 226 0.0 12.70 13.60 0.90
Show 20340+4118 CAN 68 AB 2008 2008 1 48 0.8 7.90 12.70 4.80 <===
Show 20340+4118 CAN 68 AC 2008 2008 1 315 7.1 7.90 16.80 8.90
Show 20340+4118 CAN 68 AD 1998 2008 2 285 7.4 7.90 13.40 5.50
Show 20340+4118 CAN 68 AE 2008 2008 1 311 8.9 7.90 15.80 7.90
Show 20340+4118 CAN 68 AF 2008 2008 1 235 9.4 7.90 15.80 7.90
Show 20340+4118 CAN 68 AG 2008 2014 2 232 10.9 7.90 16.30 8.40
Show 20340+4118 CAN 68 AH 1998 2014 3 31 11.0 7.90 13.90 6.00
Ninefold system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
47.5
Precise sep
0.82
Constellation
Cygnus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20340+4118 CAN 68 AB 2008 1 48 0.8 7.90 12.70 O9.5V NV K 203359.53+411735.5

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