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      Hubble Tarantula Treasury Project (HTTP). III.

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      Creators
      Sabbi, E.
      Lennon, D.J.
      Anderson, J.
      Cignoni, M.
      Marel, R.P. van der
      Zaritsky, D.
      Marchi, G. de
      Panagia, N.
      Gouliermis, D.A.
      Grebel, E.K.
      Gallagher, J.S., III
      Smith, L.J.
      Sana, H.
      Aloisi, A.
      Tosi, M.
      Evans, C.J.
      Arab, H.
      Boyer, M.
      Mink, S.E. de
      Gordon, K.
      Koekemoer, A.M.
      Larsen, S.S.
      Ryon, J.E.
      Zeidler, P.
      Date of Archiving
      2016
      Archive
      ViZieR
      Related links
      http://vizier.cfa.harvard.edu/viz-bin/VizieR?-source=J/ApJS/222/11
      Related publications
      Hubble Tarantula Treasury Project. III. Photometric Catalog and Resulting Constraints on the Progression of Star Formation in the 30 Doradus Region  
      Publication type
      Dataset
      Access level
      Open access
      Please use this identifier to cite or link to this item: https://hdl.handle.net/2066/166003   https://hdl.handle.net/2066/166003
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      Organization
      Astrophysics
      Audience(s)
      Astronomy, astrophysics
      Key words
      Photometry: HST; H II regions; Stars: faint
      Abstract
      Hubble Tarantula Treasury Project (HTTP; HST 12939, PI Elena Sabbi + HST 12499, PI Danny Lennon) was awarded 60 orbits of HST time in cycle 20 to survey the entire Tarantula Nebula (30 Doradus), using both the UVIS and the IR channels of the Wide Field Camera 3 (WFC3), and, in parallel, the Wide Field Channel (WFC) of the Advanced Camera for Surveys (ACS). See log of the observations (from 2011 Oct 03 to 2013 Sep 17) in table 1. (2 data files). We present and describe the astro-photometric catalog of more than 800,000 sources found in the Hubble Tarantula Treasury Project (HTTP). HTTP is a Hubble Space Telescope Treasury program designed to image the entire 30 Doradus region down to the sub-solar (∼0.5 M☉) mass regime using the Wide Field Camera 3 and the Advanced Camera for Surveys. We observed 30 Doradus in the near-ultraviolet (F275W, F336W), optical (F555W, F658N, F775W), and near-infrared (F110W, F160W) wavelengths. The stellar photometry was measured using point-spread function fitting across all bands simultaneously. The relative astrometric accuracy of the catalog is 0.4 mas. The astro-photometric catalog, results from artificial star experiments, and the mosaics for all the filters are available for download. Color-magnitude diagrams are presented showing the spatial distributions and ages of stars within 30 Dor as well as in the surrounding fields. HTTP provides the first rich and statistically significant sample of intermediate- and low-mass pre-main sequence candidates and allows us to trace how star formation has been developing through the region. The depth and high spatial resolution of our analysis highlight the dual role of stellar feedback in quenching and triggering star formation on the giant H ii region scale. Our results are consistent with stellar sub-clustering in a partially filled gaseous nebula that is offset toward our side of the Large Magellanic Cloud.
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      • Faculty of Science [32287]
       
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