18501+3322 BU  293BF

 
 
18h 50m 06.69s +33 21' 06.6" P.A. 2 sep 120.8 mag 6.69,10.62 Sp B5V
 
 
Coord 2000
18501+3322
Discov num
BU  293
Comp
BF
Coord arcsec 2000
18 50 06.69 +33 21 06.6
Date first
1893
Date last
2007
Obs
11
Pa first
2
Pa last
2
P.A. Now (θ)
Sep first
121.0
Sep last
120.8
Sep. Now (ρ)
120.8"
Mag pri
6.69
Mag sec
10.62
delta mag (ΔM)
3.93
Spectral class
B5V (blue-white)
Pri motion ra
+000
Sec motion ra
+001
Pri motion dec
-007
Sec motion dec
-003
Notes
N (See Notes)
rPM=0.589
Nature of this double is uncertain.
 
 
18501+3322 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67451 18501+3322 CIA 3 Aa1,2 2007 2007 7 72 0.0 3.60 4.00 0.40 Y
Show 67451 18501+3322 RBR 11 Aa,Ab 2002 2002 1 176 0.5 3.60 8.20 4.60
Show Sheliak 67451 18501+3322 STFA 39 AB 1777 2016 116 77 4.4 3.63 6.69 3.06
Show 18501+3322 BU 293 AC 1878 2014 7 247 46.4 3.63 13.00 9.37
Show 18501+3322 BU 293 AD 1898 2007 7 68 64.4 3.63 14.30 10.67
Show 67451 18501+3322 BU 293 AE 1828 2014 36 317 67.1 3.63 10.14 6.51
Show 67451 18501+3322 BU 293 AF 1828 2014 35 18 85.7 3.63 10.62 6.99
Show 18501+3322 BU 293 BE 1893 2007 11 322 112.5 6.69 10.13 3.44
Show 18501+3322 BU 293 BF 1893 2007 11 2 120.8 6.69 10.62 3.93 <===
Show 18501+3322 BU 293 EF 1893 2007 6 66 79.3 10.14 10.62 0.48
Octuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
1.5
Precise sep
120.776
Cdsa2 id
BU 293 BF
Constellation
Lyra
Ra deg
18.835191666666667
De deg
33.35183333333333
last precise pa
1.5
last precise sep
120.776
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18501+3322 BU 293 BF 2007 10 2 120.8 6.69 10.62 D 185006.69+332106.6

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