21050+1243 A 1690 BC

 
 
21h 05m 01.11s +12° 43' 23.4" P.A. 113.00 sep 0.4 mag 10.94,11.42 dist. 14.29 pc (46.61 l.y.)
 
 
Coord 2000 21050+1243 Discov num A  1690 Comp BC Coord arcsec 2000 21 05 01.11 +12 43 23.4
Date first 1907 Date last 2017 Obs 16
Pa first 124 Pa last 112.6 P.A. Now (θ) 112.6°
Sep first 0.6 Sep last 0.37 Sep. Now (ρ) 0.37"
Mag pri 10.94 Mag sec 11.42 delta mag (ΔM) 0.48 Spectral class
Pri motion ra +051 Sec motion ra +051
Pri motion dec -007 Sec motion dec -007
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21050+1243 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 200757 106823 21 05 02 +12 43 20 STF 2750 A,BC 2016 45 280 16.0 8.96 10.40 1.44
Show 106823 21 05 02 +12 43 20 SLE 518 AD 1982 1 119 4.6 8.96 11.40 2.44
Show 21 05 01 +12 43 23 A 1690 BC 2017 16 113 0.4 10.94 11.42 0.48 <===
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr G0 Constellation Delphinus HIP 104066 Tycho2 1112-02519-1
Gaia DR2 1757475711010044544 Distance 14.29 Distance ly 46.61