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HUBBLE TARANTULA TREASURY PROJECT. III. PHOTOMETRIC CATALOG AND RESULTING CONSTRAINTS ON THE PROGRESSION OF STAR FORMATION IN THE 30 DORADUS REGION

Sabbi, E ; Lennon, D J ; Anderson, J ; Cignoni, M ; van der Marel, R P ; Zaritsky, D ; De Marchi, G ; Panagia, N ; Gouliermis, D A ; Grebel, E K

The Astrophysical journal. Supplement series, 2016-01, Vol.222 (1), p.1-25 [Periódico revisado por pares]

United States

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  • Título:
    HUBBLE TARANTULA TREASURY PROJECT. III. PHOTOMETRIC CATALOG AND RESULTING CONSTRAINTS ON THE PROGRESSION OF STAR FORMATION IN THE 30 DORADUS REGION
  • Autor: Sabbi, E ; Lennon, D J ; Anderson, J ; Cignoni, M ; van der Marel, R P ; Zaritsky, D ; De Marchi, G ; Panagia, N ; Gouliermis, D A ; Grebel, E K
  • Assuntos: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY ; CAMERAS ; COLOR ; FEEDBACK ; Field cameras ; Hubble Space Telescope ; LIMITING VALUES ; MAGELLANIC CLOUDS ; MASS ; NEBULAE ; PHOTOMETRY ; Samples ; SPATIAL DISTRIBUTION ; SPATIAL RESOLUTION ; STAR CLUSTERS ; STAR DETECTOR ; Star formation ; STARS ; Statistical methods ; TELESCOPES ; ULTRAVIOLET RADIATION
  • É parte de: The Astrophysical journal. Supplement series, 2016-01, Vol.222 (1), p.1-25
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: 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 sub([middot in circle])) 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.
  • Editor: United States
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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