publications

2024

1. APJ

   Variable Stars in M31 Stellar Clusters from the Panchromatic Hubble Andromeda Treasury

   Richard Smith, Avi Patel, Monika D. Soraisam, and 9 more authors

   The Astrophysical Journal, Oct 2024

   DOI Bib

   @article{2024ApJ...974..292S,
     author = {{Smith}, Richard and {Patel}, Avi and {Soraisam}, Monika D. and {Guhathakurta}, Puragra and {Tadepalli}, Pranav and {Zhu}, Sally and {Liu}, Joseph and {Girardi}, L{\'e}o and {Johnson}, L. Clifton and {Mukherjee}, Sagnick and {Olsen}, Knut A.~G. and {Williams}, Benjamin F.},
     title = {{Variable Stars in M31 Stellar Clusters from the Panchromatic Hubble Andromeda Treasury}},
     journal = {The Astrophysical Journal},
     keywords = {Variable stars, Andromeda Galaxy, Hubble Space Telescope, Star clusters, 1761, 39, 761, 1567, Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies},
     year = {2024},
     month = oct,
     volume = {974},
     number = {2},
     eid = {292},
     pages = {292},
     doi = {10.3847/1538-4357/ad6eff},
     archiveprefix = {arXiv},
     eprint = {2408.12765},
     primaryclass = {astro-ph.SR},
     adsurl = {https://ui.adsabs.harvard.edu/abs/2024ApJ...974..292S},
     adsnote = {Provided by the SAO/NASA Astrophysics Data System}
   }

2023

1. AJ

   Catalog of Integrated-light Star Cluster Light Curves in TESS

   Tobin M. Wainer, Gail Zasowski, Joshua Pepper, and 10 more authors

   The Astronomical Journal, Aug 2023

   Abs DOI Bib

   We present the first integrated-light, TESS-based light curves for star clusters in the Milky Way, Small Magellanic Cloud, and Large Magellanic Cloud. We explore the information encoded in these light curves, with particular emphasis on variability. We describe our publicly available package elk, which is designed to extract the light curves by applying principal component analysis to perform background light correction and incorporating corrections for TESS systematics, allowing us to detect variability on timescales shorter than ∼10 days. We perform a series of checks to ensure the quality of our light curves, removing observations where systematics are identified as dominant features, and deliver light curves for 348 previously cataloged open and globular clusters. Where TESS has observed a cluster in more than one observing sector, we provide separate light curves for each sector (for a total of 2204 light curves). We explore in detail the light curves of star clusters known to contain high-amplitude Cepheid and RR Lyrae variable stars, and we confirm that the variability of these known variables is still detectable when summed together with the light from thousands of other stars. We also demonstrate that even some low-amplitude stellar variability is preserved when integrating over a stellar population.

   @article{Wainer_2023,
     doi = {10.3847/1538-3881/ace960},
     url = {https://dx.doi.org/10.3847/1538-3881/ace960},
     year = {2023},
     month = aug,
     publisher = {The American Astronomical Society},
     volume = {166},
     number = {3},
     pages = {106},
     author = {Wainer, Tobin M. and Zasowski, Gail and Pepper, Joshua and Wagg, Tom and Hedges, Christina L. and Poovelil, Vijith Jacob and Fetherolf, Tara and Davenport, James R. A. and Christodoulou, P. Marios and Dinsmore, Jack T. and Patel, Avi and Goold, Kameron and Gibson, Benjamin J.},
     title = {Catalog of Integrated-light Star Cluster Light Curves in TESS},
     journal = {The Astronomical Journal}
   }

2. MNRAS

   Deep drilling in the time domain with DECam: survey characterization

   Melissa L. Graham, Robert A. Knop, Thomas D. Kennedy, and 41 more authors

   Monthly Notices of the Royal Astronomical Society, Mar 2023

   DOI Bib

   @article{2023MNRAS.519.3881G,
     author = {{Graham}, Melissa L. and {Knop}, Robert A. and {Kennedy}, Thomas D. and {Nugent}, Peter E. and {Bellm}, Eric and {Catelan}, M{\'a}rcio and {Patel}, Avi and {Smotherman}, Hayden and {Soraisam}, Monika and {Stetzler}, Steven and {Aldoroty}, Lauren N. and {Awbrey}, Autumn and {Baeza-Villagra}, Karina and {Bernardinelli}, Pedro H. and {Bianco}, Federica and {Brout}, Dillon and {Clarke}, Riley and {Clarkson}, William I. and {Collett}, Thomas and {Davenport}, James R.~A. and {Fu}, Shenming and {Gizis}, John E. and {Heinze}, Ari and {Hu}, Lei and {Jha}, Saurabh W. and {Juri{\'c}}, Mario and {Kalmbach}, J. Bryce and {Kim}, Alex and {Lee}, Chien-Hsiu and {Lidman}, Chris and {Magee}, Mark and {Mart{\'\i}nez-V{\'a}zquez}, Clara E. and {Matheson}, Thomas and {Narayan}, Gautham and {Palmese}, Antonella and {Phillips}, Christopher A. and {Rabus}, Markus and {Rest}, Armin and {Rodr{\'\i}guez-Segovia}, Nicol{\'a}s and {Street}, Rachel and {Vivas}, A. Katherina and {Wang}, Lifan and {Wolf}, Nicholas and {Yang}, Jiawen},
     title = {{Deep drilling in the time domain with DECam: survey characterization}},
     journal = {Monthly Notices of the Royal Astronomical Society},
     keywords = {methods: observational, techniques: image processing, surveys, Astrophysics - Instrumentation and Methods for Astrophysics},
     year = {2023},
     month = mar,
     volume = {519},
     number = {3},
     pages = {3881-3902},
     doi = {10.1093/mnras/stac3363},
     archiveprefix = {arXiv},
     eprint = {2211.09202},
     primaryclass = {astro-ph.IM},
     adsurl = {https://ui.adsabs.harvard.edu/abs/2023MNRAS.519.3881G},
     adsnote = {Provided by the SAO/NASA Astrophysics Data System}
   }