If you use Castro, we appreciate you citing the main code paper:

    @ARTICLE{2010ApJ...715.1221A,
       author = {{Almgren}, A.~S. and {Beckner}, V.~E. and {Bell},
		      J.~B. and {Day}, M.~S. and {Howell}, L.~H. and
		      {Joggerst}, C.~C. and {Lijewski}, M.~J. and
		      {Nonaka}, A. and {Singer}, M. and {Zingale}, M.},
	title = "{CASTRO: A New Compressible Astrophysical
		      Solver. I. Hydrodynamics and Self-gravity}",
      journal = {\apj},
    archivePrefix = "arXiv",
       eprint = {1005.0114},
     primaryClass = "astro-ph.IM",
     keywords = {equation of state, gravitation, hydrodynamics, methods:
		      numerical, nuclear reactions, nucleosynthesis,
		      abundances},
	 year = 2010,
	month = jun,
       volume = 715,
	pages = {1221-1238},
	  doi = {10.1088/0004-637X/715/2/1221},
       adsurl = {http://adsabs.harvard.edu/abs/2010ApJ...715.1221A},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
    }

You should also cite the zenodo DOI for the code release.  A bibtex
entry for the latest release can be found here:

  https://doi.org/10.5281/zenodo.2301848


If you use the radiation hydrodynamics capabilities, please additionally
cite the following:

    @ARTICLE{2011ApJS..196...20Z,
       author = {{Zhang}, W. and {Howell}, L. and {Almgren}, A. and
		      {Burrows}, A. and {Bell}, J.},
	title = "{CASTRO: A New Compressible Astrophysical
		      Solver. II. Gray Radiation Hydrodynamics}",
      journal = {\apjs},
    archivePrefix = "arXiv",
       eprint = {1105.2466},
     primaryClass = "astro-ph.IM",
     keywords = {diffusion, hydrodynamics, methods: numerical, radiative
		      transfer},
	 year = 2011,
	month = oct,
       volume = 196,
	  eid = {20},
	pages = {20},
	  doi = {10.1088/0067-0049/196/2/20},
       adsurl = {http://adsabs.harvard.edu/abs/2011ApJS..196...20Z},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
    }


    @ARTICLE{2013ApJS..204....7Z,
       author = {{Zhang}, W. and {Howell}, L. and {Almgren}, A. and
		      {Burrows}, A. and {Dolence}, J. and {Bell}, J.},
	title = "{CASTRO: A New Compressible Astrophysical
		      Solver. III. Multigroup Radiation Hydrodynamics}",
      journal = {\apjs},
    archivePrefix = "arXiv",
       eprint = {1207.3845},
     primaryClass = "astro-ph.IM",
     keywords = {diffusion, hydrodynamics, methods: numerical, radiative
		      transfer },
	 year = 2013,
	month = jan,
       volume = 204,
	  eid = {7},
	pages = {7},
	  doi = {10.1088/0067-0049/204/1/7},
       adsurl = {http://adsabs.harvard.edu/abs/2013ApJS..204....7Z},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
    }


If you use the Poisson gravity solver or rotation, please cite the
following, which included a lot of improvements to the coupling of
hydro and gravity:

    @ARTICLE{2016ApJ...819...94K,
       author = {{Katz}, M.~P. and {Zingale}, M. and {Calder}, A.~C. and
		      {Swesty}, F.~D. and {Almgren}, A.~S. and {Zhang},
		      W.},
	title = "{White Dwarf Mergers on Adaptive Meshes. I. Methodology
		      and Code Verification}",
      journal = {\apj},
    archivePrefix = "arXiv",
       eprint = {1512.06099},
     primaryClass = "astro-ph.HE",
     keywords = {hydrodynamics, methods: numerical, supernovae: general,
		      white dwarfs},
	 year = 2016,
	month = mar,
       volume = 819,
	  eid = {94},
	pages = {94},
	  doi = {10.3847/0004-637X/819/2/94},
       adsurl = {http://adsabs.harvard.edu/abs/2016ApJ...819...94K},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
    }


For performance numbers, please cite:


    @ARTICLE{2017arXiv171106203Z,
       author = {{Zingale}, M. and {Almgren}, A.~S. and {Barrios Sazo}, M.~G. and
            {Beckner}, V.~E. and {Bell}, J.~B. and {Friesen}, B. and {Jacobs}, A.~M. and
            {Katz}, M.~P. and {Malone}, C.~M. and {Nonaka}, A.~J. and {Willcox}, D.~E. and
            {Zhang}, W.},
        title = "{Meeting the Challenges of Modeling Astrophysical Thermonuclear Explosions: Castro, Maestro, and the AMReX Astrophysics Suite}",
      journal = {ArXiv e-prints},
    archivePrefix = "arXiv",
       eprint = {1711.06203},
     primaryClass = "astro-ph.IM",
     keywords = {Astrophysics - Instrumentation and Methods for Astrophysics},
         year = 2017,
        month = nov,
       adsurl = {http://adsabs.harvard.edu/abs/2017arXiv171106203Z},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
    }
