17174+4221 SKF 2735 BC

 
 
17h 17m 25.35s +42° 21' 01.5" P.A. 121.00 sep 16.5 mag 15.58,19.51 Sp WD MS
 
 
Coord 2000 17174+4221 Discov num SKF2735 Comp BC Coord arcsec 2000 17 17 25.35 +42 21 01.5
Date first 2016 Date last 2016 Obs 1
Pa first 121 Pa last 121.2 P.A. Now (θ) 121.2°
Sep first 16.5 Sep last 16.509 Sep. Now (ρ) 16.509"
Mag pri 15.58 Mag sec 19.51 delta mag (ΔM) 3.93 Spectral class WD MS (Wolf-Rayet/red)
Pri motion ra +020 Sec motion ra +020
Pri motion dec -014 Sec motion dec -013
Notes V (Proper motion indicates physical)
rPM=0.041 (< 0.3, Physical double)
This double is physical.
 
 
17174+4221 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 17 26 +42 20 55 SKF 2735 AB 2015 8 299 14.2 15.20 16.30 1.10
Show 17 17 26 +42 20 55 SKF 2735 AC 2015 3 134 2.4 15.20 19.50 4.30
Show 17 17 25 +42 21 02 SKF 2735 BC 2016 1 121 16.5 15.58 19.51 3.93 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules