Browsing by Author "Pineda, Jaime"

Now showing items 1-7 of 7

    • The Complete Survey of Outflows in Perseus 

      Arce, Hector G.; Borkin, Michelle Anne; Goodman, Alyssa; Pineda, Jaime Eduardo; Halle, Michael Wilfred (American Astronomical Society, 2010)
      We present a study on the impact of molecular outflows in the Perseus molecular cloud complex using the COMPLETE Survey large-scale \(^{12}CO(1-0)\) and \(^{13}CO(1-0)\) maps. We used three-dimensional isosurface models ...

    • Dense Cores in Perseus: The Influence of Stellar Content and Cluster Environment 

      Foster, Jonathan B.; Rosolowsky, Erik W.; Kauffmann, Jens; Pineda, Jaime Eduardo; Borkin, Michelle Anne; Caselli, Paola; Myers, Philip C.; Goodman, Alyssa (American Astronomical Society, 2009)
      We present the chemistry, temperature, and dynamical state of a sample of 193 dense cores or core candidates in the Perseus Molecular cloud and compare the properties of cores associated with young stars and clusters with ...

    • Direct Observation of a Sharp Transition to Coherence in Dense Cores 

      Pineda, Jaime Eduardo; Goodman, Alyssa; Arce, Hector G.; Caselli, Paola; Foster, Jonathan B.; Myers, Philip C.; Rosolowsky, Erik W. (American Astronomical Society, 2010)
      We present \(NH_3\) observations of the B5 region in Perseus obtained with the Green Bank Telescope. The map covers a region large enough \((\sim 11'×14')\) that it contains the entire dense core observed in previous dust ...

    • Evidence for Grain Growth in Molecular Clouds: A Bayesian Examination of the Extinction Law in Perseus 

      Foster, Jonathan B.; Mandel, Kaisey Stephen; Pineda, Jaime; Covey, Kevin R.; Arce, Hector G.; Goodman, Alyssa (Royal Astronomical Society, 2013)
      We investigate the shape of the extinction law in two \(1^{\circ}\) square fields of the Perseus molecular cloud complex. We combine deep red-optical (r, i and z band) observations obtained using Megacam on the MMT with ...

    • Misalignment of Outflow Axes in the Proto-Multiple Systems in Perseus 

      Lee, Katherine I.; Dunham, Michael M.; Myers, Philip C.; Arce, Héctor G.; Bourke, Tyler L.; Goodman, Alyssa; Jørgensen, Jes K.; Kristensen, Lars E.; Offner, Stella S. R.; Pineda, Jaime; Tobin, John J.; Vorobyov, Eduard I. (American Astronomical Society, 2016)
      We investigate the alignment between outflow axes in nine of the youngest binary/multiple systems in the Perseus Molecular Cloud. These systems have typical member spacing larger than 1000 au. For outflow identification, ...

    • The Perils of Clumpfind: The Mass Spectrum of Substructures in Molecular Clouds 

      Pineda, Jaime Eduardo; Rosolowsky, Erik W.; Goodman, Alyssa (American Astronomical Society, 2009)
      We study the mass spectrum of substructures in the Perseus Molecular Cloud Complex traced by \(^{13}CO(1–0)\), finding that \(dN/dM \ \alpha \ M^{−2.4}\) for the standard Clumpfind parameters. This result does not agree ...

    • The "True" Column Density Distribution in Star-Forming Molecular Clouds 

      Goodman, Alyssa; Pineda, Jaime Eduardo; Schnee, Scott (American Astronomical Society, 2009)
      We use the COMPLETE Survey's observations of the Perseus star-forming region to assess and intercompare the three methods used for measuring column density in molecular clouds: near-infrared (NIR) extinction mapping; thermal ...