The Second Data Release of the Survey of the MAgellanic Stellar History (SMASH)

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Documents

  • David L. Nidever
  • Knut Olsen
  • Yumi Choi
  • Tomas Ruiz-Lara
  • Amy E. Miller
  • L. Clifton Johnson
  • Cameron P. M. Bell
  • Robert D. Blum
  • Maria-Rosa L. Cioni
  • Carme Gallart
  • Steven R. Majewski
  • Nicolas F. Martin
  • Pol Massana
  • Antonela Monachesi
  • Noelia E. D. Noel
  • Joanna D. Sakowska
  • Roeland P. van der Marel
  • Alistair R. Walker
  • Dennis Zaritsky
  • Eric F. Bell
  • And 15 others
  • Blair C. Conn
  • Thomas J. L. de Boer
  • Robert A. Gruendl
  • Matteo Monelli
  • Ricardo R. Munoz
  • Abhijit Saha
  • A. Katherina Vivas
  • Edouard Bernard
  • Gurtina Besla
  • Julio A. Carballo-Bello
  • Antonio Dorta
  • David Martinez-Delgado
  • Alex Goater
  • Vadim Rusakov
  • Guy S. Stringfellow

The Large and Small Magellanic Clouds (LMC and SMC) are the largest satellite galaxies of the Milky Way and close enough to allow for a detailed exploration of their structure and formation history. The Survey of the MAgellanic Stellar History (SMASH) is a community Dark Energy Camera (DECam) survey of the Magellanic Clouds using similar to 50 nights to sample over similar to 2400 deg(2) centered on the Clouds at similar to 20% filling factor (but with contiguous coverage in the central regions) and to depths of similar to 24th mag in ugriz. The primary goals of SMASH are to map out the extended stellar peripheries of the Clouds and uncover their complicated interaction and accretion history as well as to derive spatially resolved star formation histories of the central regions and create a "movie" of their past star formation. Here we announce the second SMASH public data release (DR2), which contains all 197 fully calibrated DECam fields including the main body fields in the central regions. The DR2 data are available through the Astro Data Lab hosted by the NSF's National Optical-Infrared Astronomy Research Laboratory. We highlight three science cases that make use of the SMASH DR2 data and will be published in the future: (1) preliminary star formation histories of the LMC, (2) the search for Magellanic star clusters using citizen scientists, and, (3) photometric metallicities of Magellanic Cloud stars using the DECam u-band.

Original languageEnglish
Article number74
JournalAstronomical Journal
Volume161
Issue number2
Number of pages13
ISSN0004-6256
DOIs
Publication statusPublished - 1 Feb 2021

    Research areas

  • Magellanic Clouds, Local Group, Milky Way Galaxy, Dwarf galaxies, Dwarf irregular galaxies, Surveys, Large Magellanic Cloud, Small Magellanic Cloud, Photometry, CCD photometry, STAR-FORMATION HISTORY, COLOR-MAGNITUDE DIAGRAMS, BACKGROUND GALAXIES, HST OBSERVATIONS, CLOUD CLUSTERS, VMC SURVEY, POPULATION, EVOLUTION, LMC, CATALOG

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