Changelog

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v2.5.1 (2025-12-XX)

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Implemented enhancements:

• Drop support for xspec-modelsonly and support conda-based xspec #231

• Feature request: Add conda support for Mac with ARM architecture and Add support for pixi #229

Closed issues:

• Testing against XSPEC>=12.15.0 #241

• dev astromodels import error: most likely due to a circular import #230

• Min and max values don’t seem to get the unit conversion #92

Merged pull requests:

• Fix and update readthedocs config #234 (PreisTo)

v2.5.0 (2025-10-03)

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Closed issues:

• Need for Python 2 support? #222

• Coordinates issue on SpatialTemplate_2D #218

• Installation fails unless using –use-pep517 #209

Merged pull requests:

• Dev #233 (ndilalla)

• Support xspec conda #232 (ndilalla)

• Fix error in pyproject.toml #228 (marc-shen)

• Remove Python 2 compatibility code #227 (PreisTo)

• Modernize Setuptools Setup #226 (PreisTo)

• Dev: Refactor find_model_dat function documentation and path #225 (marc-shen)

• Fix Xspec install for full xspec from conda #223 (PreisTo)

• Added Hermes diffuse emission template functions #221 (rishibbdb)

• Codesytle update #220 (PreisTo)

• Correction for coordinates system functions_2D.py (issue 218) #219 (GallegoSav)

• Send logs to stderr by default #217 (israelmcmc)

• Update Parameter bounds when changing units #216 (israelmcmc)

• Fix normalization units of Powerlaw_Eflux #215 (israelmcmc)

v2.4.3 (2025-02-01)

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Closed issues:

• Installation broken in Python v3.12 #204

Merged pull requests:

• Dev #214 (ndilalla)

• Remove unused modules #210 (AlexKurek)

• Fix installation in Python 3.12 #208 (israelmcmc)

v2.4.2 (2024-05-17)

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Merged pull requests:

• Dev #207 (ndilalla)

• Dev #206 (ndilalla)

• Update workflow and doc #205 (omodei)

v2.4.1 (2023-11-01)

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Merged pull requests:

• Dev #203 (ndilalla)

• Cosmology #202 (grburgess)

• add min values to the norm of a few functions #197 (BjoernBiltzinger)

• bug fix alpha->beta #196 (BjoernBiltzinger)

• More priors #194 (grburgess)

• Fix docs #193 (grburgess)

• Ixpe dev #174 (omodei)

v2.4.0 (2022-09-20)

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Closed issues:

• Negative Flux in astromodels #163

Merged pull requests:

• Dev #192 (ndilalla)

• New fermitools #191 (omodei)

• Change default redshift for apec #190 (rwiller)

• Fix internal delta calculation in case of no bounds #189 (henrikef)

• Fix super exponential cutoff PL #188 (henrikef)

• log10 transforms for PL normalization and cutoff energies #187 (henrikef)

• Flake 8 #185 (grburgess)

• Dev robert #183 (grburgess)

v2.3.9 (2022-08-19)

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v2.3.8 (2022-08-01)

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v2.3.7 (2022-07-31)

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Closed issues:

• Log transform in Powerlaw functions #186

v2.3.6 (2022-07-26)

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v2.3.5 (2022-07-12)

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Closed issues:

• Cannot import astromodels #182

Merged pull requests:

• Rich logging #184 (grburgess)

v2.3.2 (2022-05-24)

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v2.3.1 (2022-05-23)

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Merged pull requests:

• Dev #181 (ndilalla)

• Fix recursion #180 (grburgess)

v2.3.0 (2022-04-08)

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Implemented enhancements:

• Feature property #170 (grburgess)

• Feature native node #169 (grburgess)

Closed issues:

• Incorrect Numba typing on some CPU architectures in template_model.py #172

Merged pull requests:

• Dev #179 (ndilalla)

• updated for new xspec defs #178 (grburgess)

• Forgot to delete a line #176 (rwiller)

• Update extracting of XSPEC table models #175 (rwiller)

• Fix for Issue #172 #173 (rwiller)

• 2 minor fixes on doc front page #168 (hamogu)

v2.2.2 (2021-08-17)

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Merged pull requests:

• Fix xspec install #167 (grburgess)

v2.2.1 (2021-08-17)

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Implemented enhancements:

• Feature config #161 (grburgess)

Fixed bugs:

• Xsect data not downloaded when installing with pip #152

• Powerlaw_flux bug? #149

• EBLattenuation: EBL model not retained during copying etc. #114

• extra_setup dictionary lost for composite functions #113

Closed issues:

• memory leak when loading many table models #154

• model.display() weirdness #144

Merged pull requests:

• Prepare release #166 (grburgess)

• Ensure xspec models known #164 (grburgess)

• added ability to get the local #162 (grburgess)

• Feature enum sources #160 (grburgess)

• CPL added #159 (anastasia-tsvetkova)

• Added clean() function to delete fits files not closed by pyatomdb #157 (domeckert)

• Doc functions #156 (grburgess)

• Feature better table #155 (grburgess)

• Clean up functions #153 (grburgess)

• Better docs #151 (grburgess)

• Fix 149 #150 (grburgess)

v2.2.0 (2021-04-06)

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Merged pull requests:

• Bug fix & enhancement to 2D template model #148 (henrikef)

• New structure for model files (clean up) and new power law function #147 (grburgess)

• Convenience function: has_free_parameters for astromodels functions #146 (henrikef)

• Py3 apec #145 (grburgess)

• Stop overwriting point source position bounds when parsing model #94 (henrikef)

v2.1.8 (2021-02-02)

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Merged pull requests:

• Improve logging #143 (grburgess)

v2.1.7 (2021-01-23)

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Merged pull requests:

• update the logging to work with 3ml #142 (grburgess)

v2.1.6 (2021-01-22)

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v2.1.5 (2021-01-16)

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Implemented enhancements:

• Feature logging #140 (grburgess)

Closed issues:

• Add ebltable to the installation #127

• Constant Function returns only one number #109

• Linked spatial parameters and cloning a model #87

• Calling 2D functions with units? #84

• units in log_normal prior #68

Merged pull requests:

• Fix 109 #141 (grburgess)

• Update meta #139 (grburgess)

• Switch to actions #138 (grburgess)

• Update docs #135 (henrikef)

• unlink parameters when deleting a source. #101 (henrikef)

• Adding a function in Functions_3D to read galprop-like templates #90 (hayalaso)

v2.0.2 (2020-12-03)

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Closed issues:

• pip install fails: “xsFortran.h: no such file or directory” #136

• Problem from astromodels while installing pynchrotron #133

Merged pull requests:

• Xspec setup #137 (grburgess)

v2.0.1 (2020-10-27)

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Closed issues:

• pyyaml version pinning leads to conflic with fermipy #131

• Issue with LogL values changing for different parameter values using JointLikelihood #130

Merged pull requests:

• remove pytables to see if tests pass #134 (grburgess)

v2.0.0 (2020-10-15)

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Fixed bugs:

• Test error with pandas 1.1.0 #128

Merged pull requests:

• Root6 compatibility #132 (ndilalla)

v1.5.0 (2020-08-26)

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Merged pull requests:

• Hdstore fix #129 (grburgess)

• set default minimum for cutoff parameter; fix comments #126 (henrikef)

• Update tests: special treatment for EBLattenuation function #125 (henrikef)

• Add attenuation parameter to EBL in functions.py #124 (xboluna)

v1.4.0 (2020-06-23)

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Merged pull requests:

• Phabs #123 (grburgess)

v1.3.0 (2020-05-10)

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Fixed bugs:

• Failed to import XSPEC on 0.5.491 #108

Closed issues:

• XSPEC failing #96

• Python3 #95

• reloading of model with recursively linked parameters failed #82

• with xspec + python3 installation fails #64

• Functions list in the docs #60

• Broken function names in Model_tutorial.ipynb #56

Merged pull requests:

• Numba interp #122 (grburgess)

• Numba models #121 (grburgess)

v1.2.1 (2020-04-29)

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Merged pull requests:

• Test numeric values #120 (grburgess)

v1.2.0 (2020-04-18)

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Implemented enhancements:

• Xray models #119 (domeckert)

Merged pull requests:

• Feature xspec tm #118 (grburgess)

v1.1.0 (2020-03-13)

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v1.0.2 (2020-03-11)

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Merged pull requests:

• Fix tests parameter #117 (grburgess)

• Update versioning #116 (grburgess)

• Fix pandas #115 (grburgess)

v1.0 (2019-12-05)

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Fixed bugs:

• pyyaml 5.1 #97

Closed issues:

• Latitude_galactic_diffuse broken #98

• push access #89

• Parameter class docstring formatting #88

• Linking two nuisance parameters crashes ModelParser via clone_model #80

• polarization node #78

• Several Templates at once #73

• linking more than two parameters #72

• memoization and SpatialTemplate_2D #69

Merged pull requests:

• Travis pypi #112 (grburgess)

• Fix conflicts #111 (ndilalla)

• Py2to3 #107 (grburgess)

• Fix builds nico #106 (omodei)

• Update travis #103 (grburgess)

• fixed bug in normalization #102 (grburgess)

• use parameter path rather than name as dictionary key #100 (henrikef)

• Update functions.py #91 (binitahona)

• Fix Cloning 2Dtemplate model, fix units in some functions #86 (henrikef)

• fixed rounding error in truncated gaussian by clipping the values to … #85 (grburgess)

• fix bug on norm in power_law_on_sphere #83 (zhoouhaoo)

• Model parser fix #81 (grburgess)

• Polarization #79 (grburgess)

• Extended flux #76 (henrikef)

• Moving free_parameters convinience function one step up. #75 (colasri)

• Simon edit model.link #74 (ssteinmassl)

• Linear intrp #71 (grburgess)

0.5.1 (2018-06-19)

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Implemented enhancements:

• Use CamelCase for functions #2

Closed issues:

• Log Normal prior Negative values #67

• Gaussian Prior minimum hardcoded Crash #66

• Python2 installation issue with numdifftools #65

• log parabola peak energy fix #63

• Latitude_galactic_diffuse #59

• are fits with Log_parabola broken? #52

• order of operations #50

• misleading exception when node name starts with number #49

• “The name for the node cannot be longer than 2 characters” #48

• XSPEC model not working #39

• OrderedDict((‘ra’, self.ra), (‘dec’, self.dec)) in astromodels/core/sky_direction #38

• ModelParser fails on sky position prior #36

• pickle and table models #35

• load analysis results from table model #34

• clone_model and template model #33

• spectrum call is failing for model with linked parameter #25

• Negative flux in pixel not allowed in extended sources #24

• update SciPy requirement to 0.14 or higher #23

• XSPEC models and astromodels import in threeML import #20

• XSPEC Units in composite models #17

• Xspec models are regenerated every time #16

• Fixing values of XSPEC function parameters #15

• Bug in prior assignment #11

• Multiplicative spectral components and Units #10

• Error when using unit energy argument to Band function #9

• Proper access to units #8

• Custom models #7

• Check in setup.py for Xspec libraries in LD_LIBRARY_PATH or DYLD_LIBRARY_PATH #5

• parameter.free() not using property #3

Merged pull requests:

• Added hash sum as dummy parameter for SpatialTemplate_2D #70 (henrikef)

• asymmetric 2d gaussian (spatial model) #62 (henrikef)

• Xspec fixes #61 (grburgess)

• added Band_grbm #58 (grburgess)

• added ebl attenuation using ebltable package #55 (rjlauer)

• A few 2D and 3D functions #54 (zhoouhaoo)

• 2D spatial templates #53 (henrikef)

• Changed ellipse parameters: now uses eccentricity #47 (rrubenza)

• 1D templates were failing. added np.atleast_1d to fix #46 (grburgess)

• Fixed Ellipse_on_sphere() #45 (rrubenza)

• added cosine prior for angular functions #44 (grburgess)

• more print out info in the setup.py #43 (grburgess)

• fixed call to xsect #42 (grburgess)

• Move priors #41 (grburgess)

• keep final_value as array so rev_idx works #40 (grburgess)

• Revert “adding lookup for macports gfortran” #31 (giacomov)

• adding lookup for macports gfortran #30 (grburgess)

• Extend parameters #29 (grburgess)

• stopped overflow errors in blackbody #27 (grburgess)

• fixed hashing of linked parameters #26 (grburgess)

• Added Identify and Ellipse_on_sphere classes #22 (sybenzvi)

• Kn3 d #21 (zhoouhaoo)

• add DM Spectra plus minor fixes #19 (physics-andrea)

• Spatial Template class added #18 (physics-andrea)

• adding additoonal search paths for gfortran because: OS X #14 (grburgess)

• Fixed function3D #13 (zhoouhaoo)

• Adding models #12 (grburgess)

• New XSPEC uses ‘.’ to separate versions. Added checks for this #6 (grburgess)

• added OSX lib lookup #4 (grburgess)

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