18501+3322 BU  293AC

 
 
18h 50m 04.79s +33 21' 45.6" P.A. 247 sep 46.4 mag 3.63,13.00 Sp B7Ve
 
 
Coord 2000
18501+3322
Discov num
BU  293
Comp
AC
Coord arcsec 2000
18 50 04.79 +33 21 45.6
Date first
1878
Date last
2014
Obs
7
Pa first
248
Pa last
247
P.A. Now (θ)
247°
Sep first
46.3
Sep last
46.4
Sep. Now (ρ)
46.4"
Mag pri
3.63
Mag sec
13.00
delta mag (ΔM)
9.37
Spectral class
B7Ve (blue-white)
Pri motion ra
+002
Sec motion ra
-007
Pri motion dec
-004
Sec motion dec
-006
Notes
N (See Notes)
rPM=1
This double is not physical.
 
 
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
247.3
Precise sep
46.4
Constellation
Lyra
last precise pa
247.3
last precise sep
46.4
 
 
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 AC 2007 5 247 47.1 3.63 13.00 B7Ve D 185004.79+332145.6
18501+3322 BU 293 AC 2014 7 247 46.4 3.63 13.00 B7Ve N 185004.79+332145.6

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