Coord 2000 | 02557+4746 | Discov num | MET 18 | Comp | AC | Coord arcsec 2000 | 02 55 43.50 +47 46 48.8 | ||||
Date first | 1998 | Date last | 2015 | Obs | 4 | ||||||
Pa first | 52 | Pa last | 46.7 | P.A. Now (θ) | 46.7° | ||||||
Sep first | 12.3 | Sep last | 12.88 | Sep. Now (ρ) | 12.88" | ||||||
Mag pri | 7.21 | Mag sec | 14.21 | delta mag (ΔM) | 7 | Spectral class | K5Ve (yellow-orange) | ||||
Pri motion ra | +080 | Sec motion ra | |||||||||
Pri motion dec | -077 | Sec motion dec | |||||||||
Notes | U K (Proper motion indicates non-physical, K-band or other infrared magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 02 55 44 +47 46 49 | ES 1217 AB | 2018 | 8 | 270 | 2.0 | 9.90 | 10.00 | 0.10 | ||||
Show | 02 55 44 +47 46 49 | MET 18 AC | 2015 | 4 | 47 | 12.9 | 7.21 | 14.21 | 7.00 | <=== |
Constellation | Perseus | Gaia DR2 | 437576632532294272 |