========== Change Log ========== 3.2.0 (not released yet) ------------------------ * 3.1.2 (2025-01-07) ------------------ * Miscellaneous bug fixes revealed in Loa/Y3 processing [`PR #206`_]. .. _`PR #206`: https://github.com/desihub/fastspecfit/pull/206 3.1.1 (2025-01-05) ------------------ * Miscellaneous bug fixes [`PR #205`_]. * Pure-MPI implementation; new Podman container; bug fixes [`PR #203`_]. * Updated algorithm for updating QSO redshifts [`PR #201`_]. * Progress toward pure-MPI production code [`PR #200`_]. * Fix <1% bias in fluxes and EWs of tied and free doublet ratios [`PR #198`_]. * Backwards incompatible update to the data model; expanded unit tests [`PR #197`_]. .. _`PR #197`: https://github.com/desihub/fastspecfit/pull/197 .. _`PR #198`: https://github.com/desihub/fastspecfit/pull/198 .. _`PR #200`: https://github.com/desihub/fastspecfit/pull/200 .. _`PR #201`: https://github.com/desihub/fastspecfit/pull/201 .. _`PR #203`: https://github.com/desihub/fastspecfit/pull/203 .. _`PR #205`: https://github.com/desihub/fastspecfit/pull/205 3.1.0 (2024-11-21) ------------------ * Update theoretical [NII] 6548,84 and [OIII] 4959,5007 doublet ratios [`PR #195`_]. * Additional cleanups and speedups to the new Monte Carlo code [`PR #194`_]. * Implement a simplified idiom for Monte Carlo iteration [`PR #193`_]. * Merge two multiprocessing loops into one [`PR #192`_]. * Monte Carlo to estimate model parameters [`PR #189`_]. * Fix issues with log level retention [`PR #187`_]. .. _`PR #187`: https://github.com/desihub/fastspecfit/pull/187 .. _`PR #189`: https://github.com/desihub/fastspecfit/pull/189 .. _`PR #192`: https://github.com/desihub/fastspecfit/pull/192 .. _`PR #193`: https://github.com/desihub/fastspecfit/pull/193 .. _`PR #194`: https://github.com/desihub/fastspecfit/pull/194 .. _`PR #195`: https://github.com/desihub/fastspecfit/pull/195 3.0.0 (2024-10-30) ------------------ * Rewrite of the smooth continuum and continuum-flux algorithms [`PR #186`_]. * Miscellaneous bug fixes [`PR #185`_]. * Use Numba-based Resolution implementation with faster multiply. Also tweak parameters of continuum least_squares optimizer for speed. [`PR #181`_] * Cache Fourier transforms of the templates for speed [`PR #180`_]. * Update line-list (drop broad HeI lines) and rest wavelengths [`PR #179`_]. * Near-total rewrite of both the continuum and emission-line fitting engines and major updates to the organizational infrastructure of the code, all with the goal of maximizing speed and accuracy [`PR #177`_]. .. _`PR #177`: https://github.com/desihub/fastspecfit/pull/177 .. _`PR #179`: https://github.com/desihub/fastspecfit/pull/179 .. _`PR #180`: https://github.com/desihub/fastspecfit/pull/180 .. _`PR #181`: https://github.com/desihub/fastspecfit/pull/181 .. _`PR #185`: https://github.com/desihub/fastspecfit/pull/185 .. _`PR #186`: https://github.com/desihub/fastspecfit/pull/186 2.5.2 (2024-04-28) ------------------ * Add support for processing a custom sample with full MPI [`PR #168`_]. * New optional inputs to ``mpi-fastspecfit``: ``--no-smooth-continuum``, ``--fphotodir``, and ``--fphotofile``. * Documentation bug in ``LOGLNU`` definitions (reported by R. Hada). * Add ``--zmin`` optional argument to ``fastspecfit``. * Other miscellaneous changes committed directly to `main`. .. _`PR #168`: https://github.com/desihub/fastspecfit/pull/168 2.5.1 (2024-01-18) ------------------ * Bug fix: handle Lya falling in a masked camera (only for objects at z>5ish). 2.5.0 (2024-01-13) ------------------ * Address stellar mass bias; more constrained broad+narrow fitting; and max velocity dispersion increased to 475 km/s (bump template version to 1.3.0) [`PR #166`_]. .. _`PR #166`: https://github.com/desihub/fastspecfit/pull/166 2.4.3 (2023-12-03) ------------------ * Expand velocity dispersion grid to 425 km/s and bump the template version to 1.2.0 [`PR #158`_]. * Handle variable pixel size in camera-overlap region bug [`PR #157`_]. * Fix minor bug that broke the stackfit functionality [`PR #155`_]. .. _`PR #155`: https://github.com/desihub/fastspecfit/pull/155 .. _`PR #157`: https://github.com/desihub/fastspecfit/pull/157 .. _`PR #158`: https://github.com/desihub/fastspecfit/pull/158 2.4.2 (2023-08-30) ------------------ * Fix incorrect syntax synthesizing photometry for highest-redshift targets bug [`PR #152`_]. .. _`PR #152`: https://github.com/desihub/fastspecfit/pull/152 2.4.1 (2023-08-23) ------------------ * Just two rounds of emission-line fitting [`PR #151`_]. .. _`PR #151`: https://github.com/desihub/fastspecfit/pull/151 2.4.0 (2023-08-19) ------------------ * Bug fixes and miscellaneous feature requests for next VACs, including modified SPS templates and a user-friendly refactor of the K-correction code [`PR #148`_]. .. _`PR #148`: https://github.com/desihub/fastspecfit/pull/148 2.3.0 (2023-08-07) ------------------ * Support non-DR9 photometry via a new photometric configuration file [`PR #133`_]. * Miscellaneous updates and bug fixes ahead of next version of VACs [`PR #145`_]. .. _`PR #133`: https://github.com/desihub/fastspecfit/pull/133 .. _`PR #145`: https://github.com/desihub/fastspecfit/pull/145 2.2.0 (2023-08-02) ------------------ * Allow the Redrock redshift to be overridden [`PR #115`_]. * Code to support fitting stacked spectra [`PR #116`_]. * Bug fix of reversed tied flux ratio of [OII]7320,7330 doublet [`PR #120`_]. * Do not constrain the SPS age by default [`PR #132`_]. * Bug fix of emission-line subtracted Dn(4000) measurement [`PR #135`_]. * Update IGM attenuation coefficients [`PR #136`_]. * Several significant changes [`PR #137`_]: * Record the observed-space emission-line amplitude in ``_AMP`` and move the model-space amplitude to ``_MODELAMP``. * Demand at least 12 pixels to measure the scatter in the pixels under the line (therefore ``_AMP_IVAR`` should be more reliable for narrow lines). * Major bug fix whereby the model emission-line spectra were not being convolved with the resolution matrix. * Redefine ``_CHI2`` for an emission line as the observed not reduced chi2. * Switch from (deprecated) ``pkg_resources`` to ``importlib``. * Updated documentation (data model) and several non-negligible speed-ups. * Improved modeling of galaxies with broad+narrow line-emission [`PR #142`_]: .. _`PR #115`: https://github.com/desihub/fastspecfit/pull/115 .. _`PR #116`: https://github.com/desihub/fastspecfit/pull/116 .. _`PR #120`: https://github.com/desihub/fastspecfit/pull/120 .. _`PR #132`: https://github.com/desihub/fastspecfit/pull/132 .. _`PR #135`: https://github.com/desihub/fastspecfit/pull/135 .. _`PR #136`: https://github.com/desihub/fastspecfit/pull/136 .. _`PR #137`: https://github.com/desihub/fastspecfit/pull/137 .. _`PR #142`: https://github.com/desihub/fastspecfit/pull/142 2.1.2 (2023-04-01) ------------------ * Web-app updates needed for Fuji/v2.0 database load [`PR #107`_]. * Get target cutouts using image coadds on-disk [`PR #108`_]. * Initial hooks to fit stacked spectra [`PR #113`_]. * Updated documentation for v2.0 Fujilupe and v1.0 Iron VACs [`PR #114`_]. .. _`PR #107`: https://github.com/desihub/fastspecfit/pull/107 .. _`PR #108`: https://github.com/desihub/fastspecfit/pull/108 .. _`PR #113`: https://github.com/desihub/fastspecfit/pull/113 .. _`PR #114`: https://github.com/desihub/fastspecfit/pull/114 2.1.1 (2023-02-22) ------------------ * Be robust to synthesizing photometry of the highest-redshift targets [`PR #101`_]. * Fix another corner-case crash to the highest-redshift targets [`PR #102`_]. * Do not crash if there are no lines to optimize [`PR #104`_]. .. _`PR #101`: https://github.com/desihub/fastspecfit/pull/101 .. _`PR #102`: https://github.com/desihub/fastspecfit/pull/102 .. _`PR #104`: https://github.com/desihub/fastspecfit/pull/104 2.1.0 (2023-02-17) ------------------ * Tests, bug fixes, and speed-ups of version 2.0.0 [`PR #99`_]. .. _`PR #99`: https://github.com/desihub/fastspecfit/pull/99 2.0.0 (2023-01-23) ------------------ * Support custom coadds, update laboratory line-wavelengths, and fix major EW bug [`PR #87`_]. * Refactor fitting engine to not use fnnls or astropy.modeling [`PR #92`_]. * Additional Fujilupe documentation [`PR #93`_]. * Webapp updates to support latest data model [`PR #94`_]. * Joint spectrophotometric fitting and much more [`PR #95`_]. * Additional fujilupe v2.0 updates [`PR #96`_]. .. _`PR #87`: https://github.com/desihub/fastspecfit/pull/87 .. _`PR #92`: https://github.com/desihub/fastspecfit/pull/92 .. _`PR #93`: https://github.com/desihub/fastspecfit/pull/93 .. _`PR #94`: https://github.com/desihub/fastspecfit/pull/94 .. _`PR #95`: https://github.com/desihub/fastspecfit/pull/95 .. _`PR #96`: https://github.com/desihub/fastspecfit/pull/96 1.0.1 (2022-08-11) ------------------ * Additional cleanup needed to finish Fujilupe processing [`PR #78`_]. * Initial Fuji and Guadalupe VAC documentation [`PR #77`_]. .. _`PR #77`: https://github.com/desihub/fastspecfit/pull/77 .. _`PR #78`: https://github.com/desihub/fastspecfit/pull/78 1.0.0 (2022-08-01) ------------------ * Update Docker container and tag all dependencies [`PR #76`_]. * Numerous backwards-incompatible improvements and changes to the code engine and data model in preparation for processing Fuji (EDR)+Guadalupe [`PR #69`_]. * Initial set-up of GitHub Actions and unit tests [`PR #61`_]. * Initial version of the web-application [`PR #60`_]. * First round of development work in preparation for Fuji [`PR #55`_]. .. _`PR #55`: https://github.com/desihub/fastspecfit/pull/55 .. _`PR #60`: https://github.com/desihub/fastspecfit/pull/60 .. _`PR #61`: https://github.com/desihub/fastspecfit/pull/61 .. _`PR #69`: https://github.com/desihub/fastspecfit/pull/69 .. _`PR #76`: https://github.com/desihub/fastspecfit/pull/76 0.3 (2022-01-19) ---------------- * Additional updates needed to complete Everest release [`PR #44`_]. .. _`PR #44`: https://github.com/desihub/fastspecfit/pull/44 0.2 (2021-09-04) ---------------- * Major update to support Everest data release [`PR #40`_]. .. _`PR #40`: https://github.com/desihub/fastspecfit/pull/40 0.1 (2021-07-29 ---------------- * Fix spectroscopic Dn(4000) calculation bug [`PR #35`_]. * Add UBV rest-frame photometry [`PR #34`_]. * Additional template work [`PR #24`_]. * Initial code to build spectrophotometric templates [`PR #20`_]. * Additional updates needed to finish fitting all of Denali [`PR #18`_]. * First set of updates for Denali data release [`PR #16`_]. .. _`PR #16`: https://github.com/desihub/fastspecfit/pull/16 .. _`PR #18`: https://github.com/desihub/fastspecfit/pull/18 .. _`PR #20`: https://github.com/desihub/fastspecfit/pull/20 .. _`PR #24`: https://github.com/desihub/fastspecfit/pull/24 .. _`PR #34`: https://github.com/desihub/fastspecfit/pull/34 .. _`PR #35`: https://github.com/desihub/fastspecfit/pull/35 0.0.2 (2021-04-10) ------------------ * More flexible line-fitting and data model updates to handle the Cascades data release [`PR #15`_]. .. _`PR #15`: https://github.com/desihub/fastspecfit/pull/15