18501+3322 BU  293AF

 
 
18h 50m 04.79s +33 21' 45.6" P.A. 18 sep 85.7 mag 3.63,10.62 Sp B7Ve
 
 
Coord 2000
18501+3322
Discov num
BU  293
Comp
AF
Coord arcsec 2000
18 50 04.79 +33 21 45.6
Date first
1828
Date last
2014
Obs
35
Pa first
19
Pa last
18
P.A. Now (θ)
18°
Sep first
58.0
Sep last
85.7
Sep. Now (ρ)
85.7"
Mag pri
3.63
Mag sec
10.62
delta mag (ΔM)
6.99
Spectral class
B7Ve (blue-white)
Pri motion ra
+002
Sec motion ra
+001
Pri motion dec
-004
Sec motion dec
-003
Notes
N (See Notes)
rPM=0.316
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
17.9
Precise sep
85.7
Constellation
Lyra
SAO
67451
Tycho2
2642-02929-1
HD
174638
HR
7106
DM
BD+33 3223
Flamsteed
10 Lyrae
Flamsteed name
10 Lyr
last precise pa
17.9
last precise sep
85.7
 
 
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 AF 2008 26 18 85.9 3.63 10.62 B7Ve D 185004.79+332145.6
18501+3322 BU 293 AF 2009 32 19 86.3 3.63 10.62 B7Ve N D 185004.79+332145.6
18501+3322 BU 293 AF 2012 34 19 86.9 3.63 10.62 B7Ve N D 185004.79+332145.6
18501+3322 BU 293 AF 2014 35 18 85.7 3.63 10.62 B7Ve N 185004.79+332145.6

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