17083+5051 ES 77 AB (HD 155328)

 
 
17h 08m 17.08s +50° 50' 32.0" P.A. 279.00 sep 18.6 mag 6.45,10.96 Sp A1V dist. 191.57 pc (624.9 l.y.)
 
 
Coord 2000 17083+5051 Discov num ES   77 Comp AB Coord arcsec 2000 17 08 17.08 +50 50 32.0
Date first 1901 Date last 2021 Obs 19
Pa first 274 Pa last 279.3 P.A. Now (θ) 279.3°
Sep first 17.0 Sep last 18.61 Sep. Now (ρ) 18.61"
Mag pri 6.45 Mag sec 10.96 delta mag (ΔM) 4.51 Spectral class A1V (white)
Pri motion ra -008 Sec motion ra -019
Pri motion dec +026 Sec motion dec +044
Notes
rPM=0.44
Nature of this double is uncertain.
 
 
17083+5051 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 30262 17 08 17 +50 50 32 CHR 60 Aa,Ab 2007 3 10 0.2 6.46
Show HD 155328 30262 17 08 17 +50 50 32 ES 77 AB 2021 19 279 18.6 6.45 10.96 4.51 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 155328 Constellation Draco SAO 30262 HIP 83857
Tycho2 3507-00022-1 Gaia DR2 1415549241405829760 HD 155328 HR 6383
GC 23147 ADS 10369 BD BD+51 2178 Distance 191.57
Distance ly 624.9