21105+2227 SHY 793 BC

 
 
21h 10m 30.93s +22° 27' 25.5" P.A. 262.00 sep 999.9 mag 7.42,8.27 Sp A0+G0 dist. 94.07 pc (306.86 l.y.)
 
 
Coord 2000 21105+2227 Discov num SHY 793 Comp BC Coord arcsec 2000 21 10 30.93 +22 27 25.5
Date first 1991 Date last 2016 Obs 4
Pa first 262 Pa last 262 P.A. Now (θ) 262°
Sep first 999.9 Sep last 9999.999 Sep. Now (ρ) 9999.999"
Mag pri 7.42 Mag sec 8.27 delta mag (ΔM) 0.85 Spectral class A0+G0 (white/yellow)
Pri motion ra +024 Sec motion ra +021
Pri motion dec -011 Sec motion dec -013
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.137 (< 0.3, Physical double)
This double is physical.
 
 
21105+2227 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 201671 89505 21 10 32 +22 27 17 STF 2769 AB 2020 109 301 18.1 6.65 7.42 0.77
Show 89505 21 10 32 +22 27 17 FYM 289 AD 2015 5 78 16.2 6.65 15.10 8.45
Show 89504 21 10 31 +22 27 26 SHY 793 BC 2016 4 262 999.9 7.42 8.27 0.85 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula SAO 89504 HIP 104536 Tycho2 1661-02329-1
Gaia DR2 1839746393680655232 HD 201670 GC 29600 BD BD+21 4485
Distance 94.07 Distance ly 306.86