20329+1357 BU  670AB

 
 
20h 32m 55.22s +13 56' 40.0" P.A. 5 sep 0.8 mag 9.44,9.87 Sp F8
 
 
Coord 2000
20329+1357
Discov num
BU  670
Comp
AB
Coord arcsec 2000
20 32 55.22 +13 56 40.0
Date first
1877
Date last
2016
Obs
89
Pa first
58
Pa last
5
P.A. Now (θ)
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
9.44
Mag sec
9.87
delta mag (ΔM)
0.43
Spectral class
F8 (yellow-white)
Pri motion ra
+019
Sec motion ra
+019
Pri motion dec
-017
Sec motion dec
-017
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20329+1357 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20329+1357 BU 670 AB 1877 2016 89 5 0.8 9.44 9.87 0.43 <===
Show 20329+1357 A 3108 AB,CD 1897 2016 15 340 98.4 9.12 10.02 0.90
Show 20329+1357 L 35 CD 1900 2016 59 138 0.5 10.60 10.92 0.32 Y
Quadruple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
5.3
Precise sep
0.84
Constellation
Delphinus
SAO
106221
Tycho2
1099-00955-1
Gaia DR2
71414985472
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20329+1357 BU 670 AB 2005 92 9 0.8 9.44 9.87 F8 203255.22+135640.0
20329+1357 BU 670 AB 2008 93 6 0.8 9.44 9.87 F8 N 203255.22+135640.0
20329+1357 BU 670 AB 2016 89 5 0.8 9.44 9.87 F8 N 203255.22+135640.0

If you need more information about this double, apply for a data request form to the WDS.