Journal newcommand shorthands and extra tilde

[Chun Ly]

For astronomy publications, the BibTeX files often contain tilde in author names and the journal is not spelled out (often using a \newcommand). For example see below:

@ARTICLE{2016ApJS..226....5L,
   author = {{Ly}, C. and {Malhotra}, S. and {Malkan}, M.~A. and {Rigby}, J.~R. and 
        {Kashikawa}, N. and {de los Reyes}, M.~A. and {Rhoads}, J.~E.
        },
    title = "{The Metal Abundances across Cosmic Time (MACT) Survey. I. Optical Spectroscopy in the Subaru Deep Field}",
  journal = {\apjs},
archivePrefix = "arXiv",
   eprint = {1602.01089},
 keywords = {galaxies: abundances, galaxies: distances and redshifts, galaxies: evolution, galaxies: ISM, galaxies: photometry, galaxies: star formation},
     year = 2016,
    month = sep,
   volume = 226,
      eid = {5},
    pages = {5},
      doi = {10.3847/0067-0049/226/1/5},
   adsurl = {https://ui.adsabs.harvard.edu/abs/2016ApJS..226....5L},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

In the above case, the journal shows up as "apjs" and the author list contains the extra tildes.

I think there are a number of ways to fix these issues, and perhaps it would make more sense to provide a scrubbed BibTeX file that is based on some third-party open-source python code. Thoughts?

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