18501+3322 RBR  11Aa,Ab

 
 
18h 50m 04.79s +33 21' 45.6" P.A. 176 sep 0.5 mag 3.60,8.20 Sp B8Iab+B4V dist. 294.99 pc (962.26 l.y.)
 
 
Coord 2000
18501+3322
Discov num
RBR  11
Comp
Aa,Ab
Coord arcsec 2000
18 50 04.79 +33 21 45.6
Date first
2002
Date last
2002
Obs
1
Pa first
176
Pa last
176
P.A. Now (θ)
176°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
3.60
Mag sec
8.20
delta mag (ΔM)
4.6
Spectral class
B8Iab+B4V (blue-white/blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N (See Notes)
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 70 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 2015 115 148 45.6 3.63 6.69 3.06
Show 67451 18501+3322 BU 293 AC 1878 2014 7 247 46.4 3.63 13.00 9.37
Show 67451 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 67453 18501+3322 BU 293 BE 1893 2007 11 322 112.5 6.69 10.13 3.44
Show 67453 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
176.3
Precise sep
0.54
Constellation
Lyra
SAO
67451
HIP
92420
Tycho2
2642-02929-1
HD
174638
HR
7106
GC
25847
BD
BD+33 3223
Bayer
Beta Lyrae
Bayer name
Bet Lyr
Flamsteed
10 Lyrae
Flamsteed name
10 Lyr
Distance
294.99
Distance ly
962.26
last precise pa
176.3
last precise sep
0.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18501+3322 RBR 11 Aa,Ab 2002 1 176 0.5 3.63   B8Iab+B4V D 185004.79+332145.6

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