17452+5157 STF 2225 CD

17h 44m 47.57s +51° 55' 17.2" P.A. 296.00 sep 8.7 mag 10.20,10.56 Sp G5+K8

Coord 2000 17452+5157 Discov num STF2225 Comp CD Coord arcsec 2000 17 44 47.57 +51 55 17.2
Date first 1830 Date last 2017 Obs 43
Pa first 314 Pa last 295.7 P.A. Now (θ) 295.7°
Sep first 9.1 Sep last 8.735 Sep. Now (ρ) 8.735"
Mag pri 10.20 Mag sec 10.56 delta mag (ΔM) 0.36 Spectral class G5+K8 (yellow/yellow-orange)
Pri motion ra +008 Sec motion ra -003
Pri motion dec +013 Sec motion dec -003
Notes




rPM=1.272

This double is not physical.



17452+5157 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 161865 30551 17 45 10 +51 56 56 STF 2225 AB 2015 21 339 5.5 9.00 11.90 2.90
Show 30551 17 45 10 +51 56 56 STF 2225 AC 2015 22 245 230.2 9.00 10.20 1.20
Show 17 44 48 +51 55 17 STF 2225 CD 2017 43 296 8.7 10.20 10.56 0.36 <===
Show 17 44 48 +51 55 17 B 9005 CE 2015 9 302 65.1 10.20 13.02 2.82


Quintuple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Draco Tycho2 3522-01395-1 Gaia DR2 1368435236875696384 HD 234484