Coord 2000 | 17186+3401 | Discov num | WIS 315 | Comp | AB | Coord arcsec 2000 | 17 18 34.70 +34 00 29.7 | ||||
Date first | 1998 | Date last | 2015 | Obs | 7 | ||||||
Pa first | 203 | Pa last | 202.8 | P.A. Now (θ) | 202.8° | ||||||
Sep first | 743.8 | Sep last | 743.52 | Sep. Now (ρ) | 743.52" | ||||||
Mag pri | 12.97 | Mag sec | 16.60 | delta mag (ΔM) | 3.63 | Spectral class | |||||
Pri motion ra | -024 | Sec motion ra | -005 | ||||||||
Pri motion dec | +163 | Sec motion dec | +166 | ||||||||
Notes | V (Proper motion indicates physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 17 18 35 +34 00 30 | NSN 689 Aa,Ab | 2016 | 4 | 86 | 1.2 | 13.07 | 14.58 | 1.51 | ||||
Show | 17 18 35 +34 00 30 | WIS 315 AB | 2015 | 7 | 203 | 743.5 | 12.97 | 16.60 | 3.63 | <=== |
Constellation | Hercules |