Coord 2000 | 10287-2346 | Discov num | UC 1936 | Comp | AB | Coord arcsec 2000 | 10 28 42.98 -23 45 59.4 | ||||
Date first | 1998 | Date last | 2017 | Obs | 7 | ||||||
Pa first | 110 | Pa last | 109.6 | P.A. Now (θ) | 109.6° | ||||||
Sep first | 21.0 | Sep last | 20.5 | Sep. Now (ρ) | 20.5" | ||||||
Mag pri | 9.80 | Mag sec | 14.20 | delta mag (ΔM) | 4.4 | Spectral class | G2 (yellow) | ||||
Pri motion ra | -015 | Sec motion ra | -021 | ||||||||
Pri motion dec | -099 | Sec motion dec | -105 | ||||||||
Notes | V (Proper motion indicates physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 10 28 43 -23 45 59 | RST 4929 Aa,Ab | 1979 | 5 | 58 | 0.3 | 10.40 | 10.40 | 0.00 | ||||
Show | 10 28 43 -23 45 59 | UC 1936 AB | 2017 | 7 | 110 | 20.5 | 9.80 | 14.20 | 4.40 | <=== |
Constellation | Hydra | Tycho2 | 6620-00059-1 | Gaia DR2 | 5474228877257539968 |