Updated Fe II with DenHartog+19 #2

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alexji wants to merge 21 commits into vmplacco:master from alexji:master

Makefile

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		all : linemake.go
		gfortran linemake.f -o linemake.go

README.md

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     # `linemake` Atomic and Molecular Line List Generator
+    ## Differences
+    This repository is Alex Ji's fork. He has changed compared to the main repository:
+    * Using the fixed Masseron line list from http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/571/A47
+      * note that I have included ALL C-H lines, including incredibly weak ones.
+        You'll almost certainly want to do a cut (in my experience loggf > -6 has been fine)
+    * Added/updated some atomic lines to goodgf:
+      * O I: 6300, 6363, 777nm triplet, 8446, (from VALD/Caffau+08)
+      * Na: 5682, 5688, 5889, 5895 from NIST (AA for D lines, A for the other two). Note for 5688 I merged the loggf a strong and a weak line at the same wavelength.
+      * Mg: I put in 9 lines from NIST of varying quality. Probably of particular note is that the Mg b lines now have NIST A and NIST B+, and they are a bit different from Kurucz by 0.01 dex.
+      * Al: I put in four Al lines 3944, 3961 (NIST B+) and 6696, 6698 (NIST C+)
+      * Si: I put in a bunch of lines with NIST values. Except for 3905, they are grade C and below.
+      * K: I put in the NIST AAA values for 7665 and 7699, which are within .01 of the Kurucz values.
+      * Sr: For 4215 I updated from an older NIST/A to NIST AA value.
+      * Y II: I added a line at 4883 from HANNAFORD that is strong and has been reliable
+    Changes compared to Alex's previous version of linemake (used for the first S5 paper)
+    * Possibly a lot of other changes below 3000A, I did not bother to modify this.
+    * I no longer have included all the NIST Fe II lines into the synthesis. I guess they have decided Kurucz is better than bad NIST.
+    * There are more melendez et al lines for Fe II
+    * The Ca lines have been replaced with an upcoming Lawler+ measurement. A quick glance suggests they are similar to the good VALD lines, though in individual cases can differ by 0.10 dex.
+    * They have removed Roederer + Lawler lines for 33.0
+    * They have added all of the Nils02 lines for Th and U
+    * Some lines of Lu (71.1) have been removed
+    * Some lines of Os (76.0) have been added from Quinet06
+    * I appear to have made an energy miscalculation (or zero-point offset) of about 0.004 eV for Cr I lines, not a big deal
+    The big differences from before are Fe II and Ca I.
+    For posterity, here is the choice I made previously for Fe II:
+    ```
+    UPDATE 2019-08-18 (APJ): I replaced loggf values for Fe II using Den Hartog et al. 2019 https://ui.adsabs.harvard.edu/abs/2019ApJS..243...33D/abstract and Melendez & Barbuy 2009 https://ui.adsabs.harvard.edu/abs/2009A%26A...497..611M/abstract.
+    The number of Fe II lines in goodgf and replaced is:
+    N_total = 2579
+    N_den19 = 118/131 [the remaining lines have lambda < 3000A so I didn't worry about it]
+    N_mel09 = 69/142 [8 of these are in Den Hartog]
+    ```
     ## About
     `linemake` is an open-source atomic and molecular line list generator. Rather than a replacement for a number of well-established atomic and molecular spectral databases, `linemake` aims to be a lightweight, easy-to-use tool to generate formatted and curated lists suitable for spectral synthesis work. We stress that the users of should be *in charge* of all of their transition data, and should cite the appropriate sources in their published work, given below.
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     * Zachary Maas - Department of Astronomy and McDonald Observatory, The University of Texas, Austin, TX
     * Peter Bernath - Department of Physics and Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA
     ## Citing `linemake` in your published work
     If you use `linemake` in your work, please cite the presentation paper [Placco et al. (2021, Res. Notes AAS, 5, 92)](https://iopscience.iop.org/article/10.3847/2515-5172/abf651), this github repository (as a footnote), and the relevant articles listed below.
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full_linemake3000.moog