17520+1542 HDS 2520

17h 52m 00.90s +15° 42' 15.2" P.A. 184.00 sep 4.6 mag 10.24,13.83 dist. 80.52 pc (262.66 l.y.)

Coord 2000 17520+1542 Discov num HDS2520 Comp Coord arcsec 2000 17 52 00.90 +15 42 15.2
Date first 1991 Date last 2016 Obs 6
Pa first 185 Pa last 184.4 P.A. Now (θ) 184.4°
Sep first 4.5 Sep last 4.649 Sep. Now (ρ) 4.649"
Mag pri 10.24 Mag sec 13.83 delta mag (ΔM) 3.59 Spectral class
Pri motion ra -126 Sec motion ra -129
Pri motion dec -157 Sec motion dec -154
Notes V (Proper motion indicates physical)




rPM=0.021 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation Hercules HIP 87437 Tycho2 1553-01027-1 Gaia DR2 4500983618629511552
Distance 80.52 Distance ly 262.66