20010+3742 BU 1289AB

 
 
20h 00m 59.61s +37 41' 56.1" P.A. 55 sep 0.7 mag 8.15,9.20 Sp B5
 
 
Coord 2000
20010+3742
Discov num
BU 1289
Comp
AB
Coord arcsec 2000
20 00 59.61 +37 41 56.1
Date first
1899
Date last
2016
Obs
21
Pa first
58
Pa last
55
P.A. Now (θ)
55°
Sep first
0.8
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
8.15
Mag sec
9.20
delta mag (ΔM)
1.05
Spectral class
B5 (blue-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20010+3742 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20010+3742 BU 1289 AB 1899 2016 21 55 0.7 8.15 9.20 1.05 <===
Show 20010+3742 BU 1289 AC 1896 2017 25 90 21.4 8.15 9.70 1.55
Show 20010+3742 FOX 246 AB,D 1896 2002 8 170 104.3 8.15 11.17 3.02
Show 20010+3742 WAL 125 AB,E 1944 2002 3 10 46.6 8.15 13.52 5.37
Quintuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.3
Precise sep
0.71
Cdsa2 id
BU 1289 AB
Constellation
Cygnus
Ra deg
20.016558333333332
De deg
37.69891666666666
last precise pa
55.3
last precise sep
0.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20010+3742 BU 1289 AB 2007 16 55 0.7 8.40 9.40 B5 200059.61+374156.1
20010+3742 BU 1289 AB 2012 19 54 0.7 8.15 9.20 B5 200059.61+374156.1
20010+3742 BU 1289 AB 2015 20 55 0.7 8.15 9.20 B5 200059.61+374156.1
20010+3742 BU 1289 AB 2016 21 55 0.7 8.15 9.20 B5 200059.61+374156.1

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