Coord 2000 | 18429+4456 | Discov num | STF2380 | Comp | Coord arcsec 2000 | 18 42 55.42 +44 55 30.9 | |||||
Date first | 1831 | Date last | 2015 | Obs | 56 | ||||||
Pa first | 10 | Pa last | 7.6 | P.A. Now (θ) | 7.6° | ||||||
Sep first | 25.8 | Sep last | 25.52 | Sep. Now (ρ) | 25.52" | ||||||
Mag pri | 7.28 | Mag sec | 8.70 | delta mag (ΔM) | 1.42 | Spectral class | G8III (yellow) | ||||
Pri motion ra | -013 | Sec motion ra | -012 | ||||||||
Pri motion dec | -018 | Sec motion dec | -020 | ||||||||
Notes | N V (See Notes, Proper motion indicates physical) |
Name | HD 173399 | Constellation | Lyra | SAO | 47727 | HIP | 91782 | ||||
Tycho2 | 3130-02982-1 | Gaia DR2 | 2117485191223202560 | HD | 173399 | GC | 25623 | ||||
ADS | 11616 | DM | BD+44 2974 | BD | BD+44 2973 | Distance | 138.12 | ||||
Distance ly | 450.55 |