Coord 2000 | 18168-1631 | Discov num | SNA 84 | Comp | AD | Coord arcsec 2000 | 18 16 49.65 -16 31 04.3 | ||||
Date first | 1999 | Date last | 2015 | Obs | 3 | ||||||
Pa first | 258 | Pa last | 260.6 | P.A. Now (θ) | 260.6° | ||||||
Sep first | 6.9 | Sep last | 6.797 | Sep. Now (ρ) | 6.797" | ||||||
Mag pri | 7.35 | Mag sec | 13.07 | delta mag (ΔM) | 5.72 | Spectral class | O6.5V (blue) | ||||
Pri motion ra | +001 | Sec motion ra | |||||||||
Pri motion dec | -003 | Sec motion dec | |||||||||
Notes | N K (See Notes, K-band or other infrared magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 161251 | 18 16 50 -16 31 04 | SNA 84 AB | 2012 | 1 | 117 | 5.1 | 7.35 | 12.94 | 5.59 | |||
Show | HD 167633 | 161251 | 18 16 50 -16 31 04 | SNA 84 AC | 2015 | 3 | 199 | 5.5 | 7.35 | 10.62 | 3.27 | ||
Show | 161251 | 18 16 50 -16 31 04 | SNA 84 AD | 2015 | 3 | 261 | 6.8 | 7.35 | 13.07 | 5.72 | <=== |
Constellation | Sagittarius | SAO | 161251 | HIP | 89584 | Tycho2 | 6265-02178-1 | ||||
Gaia DR2 | 4097600496363078912 | HD | 167633 | BD | BD-16 4786 | Distance | 649.35 | ||||
Distance ly | 2118.18 |