Ecliptic coordinates for Geometric and Astrometric reference frames#134
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rhannequin merged 1 commit intomainfrom Feb 19, 2025
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Ecliptic coordinates for Geometric and Astrometric reference frames#134rhannequin merged 1 commit intomainfrom
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## 0.7.0 - 2025-05-12 _If you are upgrading: please see [UPGRADING.md]._ ### Bug fixes * Fix Moon monthly phase events calculation by @valeriy-sokoloff in ([#124]) ### Features * Add `Instant` value object ([#121]) * Introduce barycentric position of Solar System major bodies ([#127]) * Introduce Astrometric position for planets ([#129]) * Rename Barycentric into Geometric ([#130]) * Rename IRCF and remove module Position ([#131]) * Geometric and Astrometric reference frames with coordinates ([#132]) * Ecliptic coordinates for Geometric and Astrometric reference frames ([#134]) * Add Geometric and Astrometric positions for `Sun` and `Moon` ([#135]) * Implement new aberration correction ([#136]) * Precession matrix for 2006 P03 model ([#137]) * Introduce `MeanOfDate` reference frame ([#138]) * New nutation model ([#141]) * Light deflection correction ([#142]) * Introduce `Apparent` reference frame ([#143]) * Introduce `Topocentric` reference frame ([#145]) * Improve Vector integration with value objects ([#146]) * Handle refracted topocentric horizontal coordinates ([#147]) * Add `#angular_diameter` to apparent and topocentric reference frames ([#149]) * Introduce new calculator for rising, transit and setting times ([#148]) * Clean code after Ephem refactoring ([#152]) * Improve `RisingTransitSettingEventsCalculator` ([#155]) * Simplify `RisingTransitSettingEventsCalculator` ([#156]) * Lazy-load reference frames ([#157]) * Overall performance improvements ([#163]) * Add support for IMCCE INPOP by @JoelQ and @rhannequin ([#166]) * Update INPOP excerpt in spec data ([#167]) * Introduce a better rise/transit/set calculator ([#168]) * Drop `Astronoby::Observer#observe` ([#174]) ### Improvements * Bump standard from 1.42.1 to 1.49.0 by @dependabot ([#123], [#128], [#150], [#165]) * Bump rubyzip from 2.3.2 to 2.4.1 by @dependabot ([#120]) * Add more tests for Julian Date conversion ([#122]) * Upgrade main Ruby version and supported ones ([#125]) * Update email address and gem description ([#126]) * Increase precision of mean obliquity ([#133]) * Add supported Rubies ([#139]) * Set Ruby 3.4.2 as default version ([#140]) * Fix dependency secutiry patch ([#151]) * Improve HMS/DMS formats ([#153]) * Use excerpts ephemerides for specs of Sun and Moon ([#154]) * Add link to deprecated documentation ([#160]) * Default Ruby 3.4.3 and support recent rubies ([#169]) * Better Moon phases test coverage ([#172]) * Optimize Observer with GMST from Instant ([#173]) * Update README about documentation location ([#175]) * Add GitHub Actions permissions ([#176]) ### New Contributors * @valeriy-sokoloff made their first contribution in #124 * @JoelQ made their first contribution in #166 **Full Changelog**: v0.6.0...v0.7.0 [#120]: #120 [#121]: #121 [#122]: #122 [#123]: #123 [#124]: #124 [#125]: #125 [#126]: #126 [#127]: #127 [#128]: #128 [#129]: #129 [#130]: #130 [#131]: #131 [#132]: #132 [#133]: #133 [#134]: #134 [#135]: #135 [#136]: #136 [#137]: #137 [#138]: #138 [#139]: #139 [#140]: #140 [#141]: #141 [#142]: #142 [#143]: #143 [#145]: #145 [#146]: #146 [#147]: #147 [#148]: #148 [#149]: #149 [#150]: #150 [#151]: #151 [#152]: #152 [#153]: #153 [#154]: #154 [#155]: #155 [#156]: #156 [#157]: #157 [#160]: #160 [#163]: #163 [#165]: #165 [#166]: #166 [#167]: #167 [#168]: #168 [#169]: #169 [#172]: #172 [#173]: #173 [#174]: #174 [#175]: #175 [#176]: #176 [UPGRADING.md]: https://github.com/rhannequin/astronoby/blob/main/UPGRADING.md
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Ecliptic coordinates already existed in Astronoby, but now we're making them available from
GeometricandAstrometricreference frames.In Astronoby, ecliptic coordinates are either barycentric (for
Geometricreference frame) or geocentric (forAstrometricreference frame), with reference of the ecliptic plane, using the mean equinox of the standard epoch J2000. Please note that the chosen equninox will be different when we'll introduce theApparentreference frame in the future (true equinox of date).Please note as well that in the same way the Earth's astrometric equatorial coordinates are null because the astrometric position is geocentric, the Earth's astrometric ecliptic coordinates are also null.