17224+2056 COU 201 AB (HD 157430)

17h 22m 24.79s +20° 56' 03.7" P.A. 258.00 sep 0.5 mag 9.23,10.11 Sp K0

Coord 2000 17224+2056 Discov num COU 201 Comp AB Coord arcsec 2000 17 22 24.79 +20 56 03.7
Date first 1967 Date last 2013 Obs 13
Pa first 259 Pa last 257.6 P.A. Now (θ) 257.6°
Sep first 0.5 Sep last 0.503 Sep. Now (ρ) 0.503"
Mag pri 9.23 Mag sec 10.11 delta mag (ΔM) 0.88 Spectral class K0 (yellow-orange)
Pri motion ra +000 Sec motion ra +000
Pri motion dec +005 Sec motion dec +005
Notes




Nature of this double is uncertain.



17224+2056 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 157430 85043 17 22 25 +20 56 04 COU 201 AB 2013 13 258 0.5 9.23 10.11 0.88 <===
Show 85043 17 22 25 +20 56 04 COU 201 AC 2015 8 301 10.3 9.23 13.00 3.77


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 157430 Constellation Hercules SAO 85043 Tycho2 1549-00085-1
Gaia DR2 4555210260804482944 HD 157430