21191+6152 HDS 3035 Aa,Ab

 
 
21h 19m 07.35s +61° 51' 30.4" P.A. 300.00 sep 0.3 mag 6.86,9.12 Sp B0IVpe dist. 6666.67 pc (21746.68 l.y.)
 
 
Coord 2000 21191+6152 Discov num HDS3035 Comp Aa,Ab Coord arcsec 2000 21 19 07.35 +61 51 30.4
Date first 1991 Date last 2010 Obs 5
Pa first 300 Pa last 299.7 P.A. Now (θ) 299.7°
Sep first 0.3 Sep last 0.323 Sep. Now (ρ) 0.323"
Mag pri 6.86 Mag sec 9.12 delta mag (ΔM) 2.26 Spectral class B0IVpe (blue-white)
Pri motion ra -003 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21191+6152 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19309 21 19 07 +61 51 30 HDS 3035 Aa,Ab 2010 5 300 0.3 6.86 9.12 2.26 <===
Show HD 203374 19309 21 19 07 +61 51 30 ES 137 AB 2015 13 74 45.6 6.70 10.30 3.60
Show 21 19 14 +61 51 43 ES 137 BC 2015 5 71 3.0 10.30 13.00 2.70
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus SAO 19309 HIP 105250 Tycho2 4248-00057-1
Gaia DR2 2192829470338457344 HD 203374 BD BD+61 2112 Distance 6666.67
Distance ly 21746.68