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 dist. 469.48 pc (1531.44 l.y.)
 
 
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
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 69258 20010+3742 BU 1289 AB 1899 2016 21 55 0.7 8.15 9.20 1.05 <===
Show 69258 20010+3742 BU 1289 AC 1896 2003 24 89 21.7 8.15 9.70 1.55
Show 69258 20010+3742 FOX 246 AB,D 1896 2002 8 170 104.3 8.15 11.17 3.02
Show 69258 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
Constellation
Cygnus
SAO
69258
HIP
98528
Tycho2
3150-02606-1
HD
189901
BD
BD+37 3723
Distance
469.48
Distance ly
1531.44
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

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