18501+3322 BU 293 AC

 
 
18h 50m 04.79s +33° 21' 45.6" P.A. 247.00 sep 46.8 mag 3.63,13.00 Sp B7Ve dist. 294.99 pc (962.26 l.y.)
 
 
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 2015 Obs 8
Pa first 248 Pa last 247.2 P.A. Now (θ) 247.2°
Sep first 46.3 Sep last 46.778 Sep. Now (ρ) 46.778"
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 -002
Pri motion dec -004 Sec motion dec -002
Notes N S (See Notes, Parallax indidates non-physical)
rPM=1
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
 
 
Common name Sheliak Constellation Lyra SAO 67451 HIP 92420
Tycho2 2642-02929-1 Gaia DR2 2090687795054381056 HD 174638 HR 7106
GC 25847 ADS 11745 BD BD+33 3223 Bayer Beta Lyrae
Bayer name Bet Lyr Flamsteed 10 Lyrae Flamsteed name 10 Lyr FK5 705
Distance 294.99 Distance ly 962.26 Bayer greek β Lyr
Other names SHILIAK, Shelyak
Meaning turtle (carapace)