20399+1115 TOK 631AC

 
 
20h 39m 51.88s +11 14' 58.8" P.A. 142 sep 947.9 mag 6.45,9.48 Sp F8IV:
 
 
Coord 2000
20399+1115
Discov num
TOK 631
Comp
AC
Coord arcsec 2000
20 39 51.88 +11 14 58.8
Date first
1980
Date last
2001
Obs
4
Pa first
142
Pa last
142
P.A. Now (θ)
142°
Sep first
947.4
Sep last
947.9
Sep. Now (ρ)
947.9"
Mag pri
6.45
Mag sec
9.48
delta mag (ΔM)
3.03
Spectral class
F8IV: (yellow-white)
Pri motion ra
+047
Sec motion ra
+072
Pri motion dec
+084
Sec motion dec
+100
Notes
N (See Notes)
rPM=0.241 (< 0.3, Physical double)
This double is physical.
 
 
20399+1115 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 106360 20399+1115 CVN 17 Aa,Ab 2000 2015 8 212 0.1 6.10 10.80 4.70 Y
Show 106360 20399+1115 ENG 75 AB 1886 2010 15 6 182.2 6.45 10.60 4.15
Show 20399+1115 TOK 631 AC 1980 2001 4 142 947.9 6.45 9.48 3.03 <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141.8
Precise sep
947.904
Constellation
Delphinus
last precise pa
141.8
last precise sep
947.904
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20399+1115 TOK 631 AC 2001 4 142 947.9 6.45 9.48 F8IV: 203951.88+111458.8

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