20008+2949 BU  439AC

 
 
20h 00m 46.25s +29 49' 19.4" P.A. 201 sep 38.5 mag 7.89,12.25 Sp G0V
 
 
Coord 2000
20008+2949
Discov num
BU  439
Comp
AC
Coord arcsec 2000
20 00 46.25 +29 49 19.4
Date first
1907
Date last
2014
Obs
7
Pa first
195
Pa last
201
P.A. Now (θ)
201°
Sep first
49.6
Sep last
38.5
Sep. Now (ρ)
38.5"
Mag pri
7.89
Mag sec
12.25
delta mag (ΔM)
4.36
Spectral class
G0V (yellow)
Pri motion ra
+016
Sec motion ra
+003
Pri motion dec
-115
Sec motion dec
-004
Notes
rPM=0.963
This double is not physical.
 
 
20008+2949 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 88066 20008+2949 BU 439 AB 1876 1925 16 240 2.9 7.89 12.70 4.81
Show 88066 20008+2949 BU 439 AC 1907 2014 7 201 38.5 7.89 12.25 4.36 <===
Show 88066 20008+2949 FOX9033 AD 1913 2000 3 60 10.8 7.89 12.00 4.11
Show 88066 20008+2949 FOX9033 AE 1913 2002 3 122 23.2 7.89 14.40 6.51
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.5
Precise sep
38.477
Constellation
Cygnus
SAO
88066
Tycho2
2153-02502-1
HD
189796
last precise pa
200.5
last precise sep
38.477
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20008+2949 BU 439 AC 1913 2 195 49.5 7.89 12.00 200046.25+294919.4
20008+2949 BU 439 AC 2002 5 200 39.5 7.89 12.25 G0V 200046.25+294919.4
20008+2949 BU 439 AC 2014 6 201 37.7 7.89 12.25 G0V 200046.25+294919.4

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