20010+3742 WAL 125AB,E

 
 
20h 00m 59.61s +37 41' 56.1" P.A. 10 sep 46.6 mag 8.15,13.52 Sp B5 dist. 469.48 pc (1531.44 l.y.)
 
 
Coord 2000
20010+3742
Discov num
WAL 125
Comp
AB,E
Coord arcsec 2000
20 00 59.61 +37 41 56.1
Date first
1944
Date last
2002
Obs
3
Pa first
30
Pa last
10
P.A. Now (θ)
10°
Sep first
40.0
Sep last
46.6
Sep. Now (ρ)
46.6"
Mag pri
8.15
Mag sec
13.52
delta mag (ΔM)
5.37
Spectral class
B5 (blue-white)
Pri motion ra
-007
Sec motion ra
+000
Pri motion dec
-009
Sec motion dec
-006
Notes
rPM=0.668
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
9.8
Precise sep
46.637
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
9.8
last precise sep
46.637
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20010+3742 WAL 125 AB,E 2000 2 10 46.2 8.15 13.52 D 200059.61+374156.1
20010+3742 WAL 125 AB,E 2002 3 10 46.6 8.15 13.52 D 200059.61+374156.1

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