17228-5828 COO 213 AB (HD 156751)

17h 22m 47.89s -58° 28' 23.7" P.A. 285.00 sep 9.2 mag 6.87,9.34 Sp A5V dist. 62.27 pc (203.12 l.y.)

Coord 2000 17228-5828 Discov num COO 213 Comp AB Coord arcsec 2000 17 22 47.89 -58 28 23.7
Date first 1875 Date last 2016 Obs 13
Pa first 280 Pa last 284.6 P.A. Now (θ) 284.6°
Sep first 11.0 Sep last 9.2 Sep. Now (ρ) 9.2"
Mag pri 6.87 Mag sec 9.34 delta mag (ΔM) 2.47 Spectral class A5V (white)
Pri motion ra -052 Sec motion ra -052
Pri motion dec -084 Sec motion dec -084
Notes




Nature of this double is uncertain.



17228-5828 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 156751 244675 17 22 48 -58 28 24 COO 213 AB 2016 13 285 9.2 6.87 9.34 2.47 <===
Show 244675 17 22 48 -58 28 24 COO 213 AC 2015 4 92 30.8 6.87 12.38 5.51


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 156751 Constellation Ara SAO 244675 HIP 85038
Tycho2 8740-03381-1 Gaia DR2 5916065494590234368 HD 156751 GC 23436
CP CP-58 7086 Distance 62.27 Distance ly 203.12