17557+1830 HDS 2528

 
 
17h 55m 44.90s +18° 30' 01.4" P.A. 253.00 sep 18.5 mag 9.36,12.30 Sp K5 dist. 25.04 pc (81.68 l.y.)
 
 
Coord 2000 17557+1830 Discov num HDS2528 Comp Coord arcsec 2000 17 55 44.90 +18 30 01.4
Date first 1900 Date last 2016 Obs 14
Pa first 254 Pa last 252.9 P.A. Now (θ) 252.9°
Sep first 19.2 Sep last 18.498 Sep. Now (ρ) 18.498"
Mag pri 9.36 Mag sec 12.30 delta mag (ΔM) 2.94 Spectral class K5 (yellow-orange)
Pri motion ra -047 Sec motion ra -047
Pri motion dec -047 Sec motion dec -046
Notes
rPM=0.015 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 87768 Tycho2 1557-01987-1 Gaia DR2 4503423641091793152
GL Gl 698 BD BD+18 3497 Distance 25.04 Distance ly 81.68