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 20008+2949 BU 439 AB 1876 1925 16 240 2.9 7.89 12.70 4.81
Show 20008+2949 BU 439 AC 1907 2014 7 201 38.5 7.89 12.25 4.36 <===
Show 20008+2949 FOX9033 AD 1913 2000 3 60 10.8 7.89 12.00 4.11
Show 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
Cdsa2 id
BU 439 AC
Constellation
Cygnus
Ra deg
20.012847222222224
De deg
29.822055555555554
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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