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
Cdsa2 id
TOK 631 AC
Constellation
Delphinus
Ra deg
20.66441111111111
De deg
11.249666666666666
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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