18501+3322 BU 293 BF

18h 50m 06.69s +33° 21' 06.6" P.A. 1.00 sep 120.6 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 2015 Obs 14
Pa first 2 Pa last 1.4 P.A. Now (θ) 1.4°
Sep first 121.0 Sep last 120.631 Sep. Now (ρ) 120.631"
Mag pri 6.69 Mag sec 10.62 delta mag (ΔM) 3.93 Spectral class B5V (blue-white)
Pri motion ra +002 Sec motion ra +001
Pri motion dec -001 Sec motion dec -004
Notes N S (See Notes, Parallax indidates non-physical)




rPM=0.767

This double is not physical.



18501+3322 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 67451 18 50 05 +33 21 46 CIA 3 Aa1,2 2007 14 88 0.0 3.60 4.00 0.40 Y
Show 67451 18 50 05 +33 21 46 RBR 11 Aa,Ab 2002 1 176 0.5 3.60 8.20 4.60
Show Sheliak 67451 18 50 05 +33 21 46 STFA 39 AB 2017 117 149 45.7 3.63 6.69 3.06
Show 67451 18 50 05 +33 21 46 BU 293 AC 2015 8 247 46.8 3.63 13.00 9.37
Show 67451 18 50 05 +33 21 46 BU 293 AD 2015 8 68 64.0 3.63 14.30 10.67
Show 67451 18 50 05 +33 21 46 BU 293 AE 2015 37 317 67.2 3.63 10.14 6.51
Show 67451 18 50 05 +33 21 46 BU 293 AF 2015 36 18 86.0 3.63 10.62 6.99
Show 67453 18 50 07 +33 21 07 BU 293 BE 2015 14 322 112.4 6.69 10.13 3.44
Show 67453 18 50 07 +33 21 07 BU 293 BF 2015 14 1 120.6 6.69 10.62 3.93 <===
Show 18 50 01 +33 22 35 BU 293 EF 2015 11 66 79.4 10.14 10.62 0.48


Octuple system
6 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Lyra SAO 67453 Tycho2 2642-02930-1 Gaia DR2 2090687726329643392
HD 174664 GC 25848 DM BD+33 3224 Bayer Beta Lyrae
Bayer name Bet Lyr Flamsteed 10 Lyrae Flamsteed name 10 Lyr Bayer greek β Lyr