Coord 2000 | 03127+7133 | Discov num | STT 50 | Comp | AB | Coord arcsec 2000 | 03 12 39.10 +71 33 20.7 | ||||
Date first | 1843 | Date last | 2018 | Obs | 132 | ||||||
Pa first | 236 | Pa last | 144.6 | P.A. Now (θ) | 144.6° | ||||||
Sep first | 0.9 | Sep last | 1.015 | Sep. Now (ρ) | 1.015" | ||||||
Mag pri | 8.43 | Mag sec | 8.46 | delta mag (ΔM) | 0.03 | Spectral class | F8 (yellow-white) | ||||
Pri motion ra | +015 | Sec motion ra | +015 | ||||||||
Pri motion dec | +016 | Sec motion dec | +016 | ||||||||
Notes | N O (See Notes, Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 4846 | 03 12 39 +71 33 21 | SCA 171 Aa,Ab | 2009 | 1 | 27 | 0.4 | 8.43 | 9.10 | 0.67 | |||
Show | HD 19475 | 4846 | 03 12 39 +71 33 21 | STT 50 AB | 2018 | 132 | 145 | 1.0 | 8.43 | 8.46 | 0.03 | Y | <=== |
Show | 4846 | 03 12 39 +71 33 21 | HJ 2172 AC | 2003 | 5 | 298 | 28.2 | 8.43 | 13.90 | 5.47 |
Name | HD 19475 | Constellation | Cassiopeia | SAO | 4846 | HIP | 14944 | ||||
Tycho2 | 4334-00871-1 | Gaia DR2 | 543889717491144704 | HD | 19475 | ADS | 2377 | ||||
BD | BD+70 230 | Distance | 47.98 | Distance ly | 156.51 |
Period (P) | 309y | Periastron (T) | 2087y | Semi-major axis (a) | 1.02a | |||
Eccentricity (e) | 0.4 | Inclination (i) | 135.9° | Longitude of periastron (ω) | 5.6° | |||
Node (Ω) | 14.3° | Notes | n | Reference | Sca2012b | |||
Equinox | 2000 | Last observation | 2009 | Grade | 4 | (1=Definitive, 9=Indet.) |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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