Coord 2000 | 19387+4351 | Discov num | KOI 520 | Comp | AB | Coord arcsec 2000 | 19 38 40.31 +43 51 11.9 | ||||
Date first | 1998 | Date last | 2015 | Obs | 6 | ||||||
Pa first | 273 | Pa last | 271.8 | P.A. Now (θ) | 271.8° | ||||||
Sep first | 5.4 | Sep last | 5.704 | Sep. Now (ρ) | 5.704" | ||||||
Mag pri | 14.30 | Mag sec | 18.14 | delta mag (ΔM) | 3.84 | Spectral class | K0+K9 (yellow-orange/yellow-orange) | ||||
Pri motion ra | -006 | Sec motion ra | |||||||||
Pri motion dec | -011 | Sec motion dec | |||||||||
Notes | R (Red magnitudes) |
Constellation | Cygnus | Gaia DR2 | 2078286197246582016 |