17039+5314 STTA 151 BC

17h 03m 57.24s +53° 12' 27.4" P.A. 356.00 sep 22.4 mag 9.32,12.40 Sp K0

Coord 2000 17039+5314 Discov num STTA151 Comp BC Coord arcsec 2000 17 03 57.24 +53 12 27.4
Date first 1905 Date last 2015 Obs 7
Pa first 0 Pa last 356.4 P.A. Now (θ) 356.4°
Sep first 18.2 Sep last 22.399 Sep. Now (ρ) 22.399"
Mag pri 9.32 Mag sec 12.40 delta mag (ΔM) 3.08 Spectral class K0 (yellow-orange)
Pri motion ra +018 Sec motion ra +012
Pri motion dec -031 Sec motion dec +010
Notes W




rPM=1.156

This double is not physical.



17039+5314 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 30225 17 03 56 +53 13 52 MLR 603 Aa,Ab 2012 4 347 0.4 8.09 10.54 2.45
Show HD 154650 30225 17 03 56 +53 13 52 STTA 151 AB 2015 26 171 88.4 7.93 9.34 1.41
Show 17 03 57 +53 12 27 STTA 151 BC 2015 7 356 22.4 9.32 12.40 3.08 <===


Quadruple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Draco Tycho2 3886-00453-1 Gaia DR2 1419774527152432640