18475+1537 HU 584 Aa,Ab

18h 47m 28.61s +15° 36' 59.7" P.A. 5.00 sep 0.3 mag 10.03,10.02 Sp F5

Coord 2000 18475+1537 Discov num HU  584 Comp Aa,Ab Coord arcsec 2000 18 47 28.61 +15 36 59.7
Date first 1902 Date last 2008 Obs 19
Pa first 31 Pa last 4.7 P.A. Now (θ) 4.7°
Sep first 0.4 Sep last 0.345 Sep. Now (ρ) 0.345"
Mag pri 10.03 Mag sec 10.02 delta mag (ΔM) 0.01 Spectral class F5 (yellow-white)
Pri motion ra +003 Sec motion ra +001
Pri motion dec -017 Sec motion dec -019
Notes




rPM=0.149 (< 0.3, Physical double)

This double is physical.



18475+1537 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 104102 18 47 29 +15 36 60 HU 584 Aa,Ab 2008 19 5 0.3 10.03 10.02 0.01 <===
Show 104102 18 47 29 +15 36 60 GII 20 AB 2013 2 184 0.3 9.33 12.80 3.47


Triple system
2 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Hercules SAO 104102 Tycho2 1583-01533-1 HD 229505