Coord 2000 | 19490+4017 | Discov num | KOI 640 | Comp | AC | Coord arcsec 2000 | 19 49 00.63 +40 17 18.9 | ||||
Date first | 2014 | Date last | 2014 | Obs | 1 | ||||||
Pa first | 308 | Pa last | 308.3 | P.A. Now (θ) | 308.3° | ||||||
Sep first | 1.2 | Sep last | 1.168 | Sep. Now (ρ) | 1.168" | ||||||
Mag pri | 11.50 | Mag sec | 17.40 | delta mag (ΔM) | 5.9 | Spectral class | |||||
Pri motion ra | -027 | Sec motion ra | |||||||||
Pri motion dec | -018 | Sec motion dec | |||||||||
Notes | K (K-band or other infrared magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 19 49 01 +40 17 19 | KOI 640 AB | 2017 | 14 | 121 | 0.4 | 14.50 | 14.20 | 0.30 | ||||
Show | 19 49 01 +40 17 19 | KOI 640 AC | 2014 | 1 | 308 | 1.2 | 11.50 | 17.40 | 5.90 | <=== |
Constellation | Cygnus |