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ChangeLog for om-astromet |
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========================= |
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Version 0.14 - 2006-02-13 |
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+ Issue 12 Version 0.14 |
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+ Adding transformation for grisms: conversion from zero order grism |
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+ position to direct image source position. |
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+ To be used to perform astrometry on multiobject (or field) |
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+ spectroscopy. |
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+ Offsets mapped from observations of Sco X-1 field. |
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Version 0.13 - 2003-06-25 |
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+ Issue 11 Version 0.13 |
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+ New extension added to contain polynomial coefficients as function |
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+ of linear position. On request by S. Rosen, to be able to use the |
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+ coefficients directly, without iterating, when undistorting images. |
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+ The map is the same as before: G153. But it was fitted to linear |
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+ positions as it was the case in the un-released Issue 9 Version 0.11 |
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+ The new extension is called POLYNOM_MAP_2 |
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Version 0.12 - 2003-04-29 |
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+ Issue 10 Version 0.12 |
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+ New map derived by Alice Breeveld: |
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+ based on observations of the G153 photometric calibration field |
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+ containing 300 stars |
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+ Same distortion map used for all filters |
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+ As Issue 9 Version 0.11, but fitting the offsets as a function of |
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+ distorted position, instead of linear position as done up to now. |
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Version 0.11 - 2002-09-20 |
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+ Issue 9 Version 0.11 |
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+ New map derived by Alice Breeveld: |
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+ based on observations of the G153 photometric calibration field |
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+ containing 300 stars |
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+ Same distortion map used for all filters |
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|
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Version 0.10 - 2000-12-08 |
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+ Issue 8 Version 0.10 |
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+ update following filter with V-filter LMC distortion map |
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+ following the analysis from Jon Mittaz: |
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+ B, U, UVW1, UVW2, UVM2. |
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+ maps of white, magnifier and grism1 and grism2 1st order images |
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+ were updated as well, as it is assumed that the main distortion |
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+ is introduced by the fibre taper, therefore the distortion should |
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+ be identical for all filters. Slight offsets seen between different |
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+ filters will become subject of a later update. |
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|
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Version 0.9 - 2000-06-19 |
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+ Issue 7 Version 0.9 |
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+ update V-filter with LMC distortion map |
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|
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Version 0.8 - 2000-05-04 |
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+ update all filters with most recent 3C273 analysis distortion: |
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files distortion.map_* , distortion_paramx and distortion_paramy |
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accuracy of platescale into astromet.dct now to 6 digits |
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correct wrong platescale for magnifier and UVW2 |
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|
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Version 0.7 - 2000-04-13 |
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+ remove astromet.dat, as this is no longer used |
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Version 0.6 - 2000-04-13 |
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+ include V filter distortion map based on analysis of 3C273 exposure |
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44 objects were used |
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|
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Version 0.5 - 2000-02-29 |
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+ include first IFC V-filter distortion map Issue 3. |
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Version 0.4 - 2000-01-31 |
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+ ISSUE is now 2. |
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Version 0.3 - 1999-12-14 |
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+ included the POLYNOM_MAP extension, which was forgotten initially |
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Version 0.2 - 1999-11-05 |
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+ in cvs. |
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