Coord 2000 | 19023+4958 | Discov num | KOI 253 | Comp | AB | Coord arcsec 2000 | 19 02 17.84 +49 57 44.2 | ||||
Date first | 2003 | Date last | 2015 | Obs | 3 | ||||||
Pa first | 165 | Pa last | 162.7 | P.A. Now (θ) | 162.7° | ||||||
Sep first | 4.9 | Sep last | 4.585 | Sep. Now (ρ) | 4.585" | ||||||
Mag pri | 12.30 | Mag sec | 13.90 | delta mag (ΔM) | 1.6 | Spectral class | |||||
Pri motion ra | -012 | Sec motion ra | |||||||||
Pri motion dec | -008 | 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 02 18 +49 57 44 | KOI 253 AB | 2015 | 3 | 163 | 4.6 | 12.30 | 13.90 | 1.60 | <=== | |||
Show | 19 02 18 +49 57 44 | KOI 253 AC | 2014 | 1 | 172 | 4.7 | 12.30 | 17.80 | 5.50 |
Constellation | Draco | Gaia DR2 | 2132144056342471168 |