21105+2227 STF 2769 AB (HD 201671)

 
 
21h 10m 32.07s +22° 27' 16.7" P.A. 301.00 sep 18.1 mag 6.65,7.42 Sp A1V dist. 243.31 pc (793.68 l.y.)
 
 
Coord 2000 21105+2227 Discov num STF2769 Comp AB Coord arcsec 2000 21 10 32.07 +22 27 16.7
Date first 1825 Date last 2020 Obs 109
Pa first 301 Pa last 300.5 P.A. Now (θ) 300.5°
Sep first 17.7 Sep last 18.12 Sep. Now (ρ) 18.12"
Mag pri 6.65 Mag sec 7.42 delta mag (ΔM) 0.77 Spectral class A1V (white)
Pri motion ra +025 Sec motion ra +024
Pri motion dec -012 Sec motion dec -011
Notes N (See Notes)
rPM=0.051 (< 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
 
 
Name HD 201671 Constellation Vulpecula SAO 89505 HIP 104539
Tycho2 1661-02330-1 Gaia DR2 1839746393680654592 HD 201671 HR 8101
GC 29601 ADS 14710 DM BD+21 4485 BD BD+21 4486
Distance 243.31 Distance ly 793.68