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dc.contributor.author
Storm, Shaye
dc.contributor.author
Mundy, Lee G.
dc.contributor.author
Fernandez Lopez, Manuel
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dc.contributor.author
Lee, Katherine I.
dc.contributor.author
Looney, Leslie W.
dc.contributor.author
Teuben, Peter
dc.contributor.author
Rosolowsky, Erik W.
dc.contributor.author
Arce, Héctor G.
dc.contributor.author
Ostriker, Eve C.
dc.contributor.author
Segura-Cox, Dominique M.
dc.contributor.author
Pound, Marc W.
dc.contributor.author
Salter, Demerese M.
dc.contributor.author
Volgenau, Nikolaus H.
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Shirley, Yancy L.
dc.contributor.author
Chen, Che Yu
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Gong, Hao
dc.contributor.author
Plunkett, Adele L.
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Tobin, John J.
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Kwon, Woojin
dc.contributor.author
Isella, Andrea
dc.contributor.author
Kauffmann, Jens
dc.contributor.author
Tassis, Konstantinos
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Crutcher, Richard M.
dc.contributor.author
Gammie, Charles F.
dc.contributor.author
Testi, Leonardo
dc.date.available
2016-08-22T16:01:38Z
dc.date.issued
2014-10
dc.identifier.citation
Storm, Shaye ; Mundy, Lee G. ; Fernandez Lopez, Manuel; Lee, Katherine I. ; Looney, Leslie W. ; et al.; Carma Large Area Star Formation Survey: project overview with analysis of dense gas structure and kinematics in barnard 1; IOP Publishing; Astrophysical Journal; 794; 2; 10-2014; 165-165
dc.identifier.issn
0004-637X
dc.identifier.uri
http://hdl.handle.net/11336/7276
dc.description.abstract
We present details of the CARMA Large Area Star Formation Survey (CLASSy), while focusing on observations of Barnard 1. CLASSy is a CARMA Key Project that spectrally imaged N2H+, HCO+, and HCN (J = 1 → 0 transitions) across over 800 square arcminutes of the Perseus and Serpens Molecular Clouds. The observations have angular resolution near 7'' and spectral resolution near 0.16 km s–1. We imaged ~150 square arcminutes of Barnard 1, focusing on the main core, and the B1 Ridge and clumps to its southwest. N2H+ shows the strongest emission, with morphology similar to cool dust in the region, while HCO+ and HCN trace several molecular outflows from a collection of protostars in the main core. We identify a range of kinematic complexity, with N2H+ velocity dispersions ranging from ~0.05 to 0.50 km s–1 across the field. Simultaneous continuum mapping at 3 mm reveals six compact object detections, three of which are new detections. A new, non-binary dendrogram algorithm is used to analyze dense gas structures in the N2H+ position-position-velocity (PPV) cube. The projected sizes of dendrogram-identified structures range from about 0.01 to 0.34 pc. Size-linewidth relations using those structures show that non-thermal line-of-sight velocity dispersion varies weakly with projected size, while rms variation in the centroid velocity rises steeply with projected size. Comparing these relations, we propose that all dense gas structures in Barnard 1 have comparable depths into the sky, around 0.1-0.2 pc this suggests that overdense, parsec-scale regions within molecular clouds are better described as flattened structures rather than spherical collections of gas. Science-ready PPV cubes for Barnard 1 molecular emission are available for download.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
IOP Publishing
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Barnard 1
dc.subject
Interstellar Medium
dc.subject
Turbulence
dc.subject
Classy
dc.subject.classification
Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Carma Large Area Star Formation Survey: project overview with analysis of dense gas structure and kinematics in barnard 1
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-07-26T15:12:32Z
dc.journal.volume
794
dc.journal.number
2
dc.journal.pagination
165-165
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Storm, Shaye . University of Maryland. Department of Astronomy; Estados Unidos
dc.description.fil
Fil: Mundy, Lee G. . University of Maryland. Department of Astronomy; Estados Unidos
dc.description.fil
Fil: Fernandez Lopez, Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto Argentino de Radioastronomia (i); Argentina
dc.description.fil
Fil: Lee, Katherine I. . University of Maryland. Department of Astronomy;; Estados Unidos
dc.description.fil
Fil: Looney, Leslie W. . University of Illinois, Urbana Department of Astronomy; Estados Unidos
dc.description.fil
Fil: Teuben, Peter . University of Maryland. Department of Astronomy; Estados Unidos
dc.description.fil
Fil: Rosolowsky, Erik W. . University of British Columbia. Departments of Physics and Statistics; Canadá
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Fil: Arce, Héctor G. . Yale University. Department of Astronomy; Estados Unidos
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Fil: Ostriker, Eve C. . Princeton University. Department of Astrophysical Sciences; Estados Unidos
dc.description.fil
Fil: Segura-Cox, Dominique M.. University of Illinois, Urbana. Department of Astronomy; Estados Unidos
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Fil: Pound, Marc W. . University of Maryland. Department of Astronomy; Estados Unidos
dc.description.fil
Fil: Salter, Demerese M. . University of Maryland. Department of Astronomy; Estados Unidos
dc.description.fil
Fil: Volgenau, Nikolaus H. . Owens Valley Radio Observatory; Estados Unidos
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Fil: Shirley, Yancy L. . Steward Observatory, Tucson; Estados Unidos
dc.description.fil
Fil: Chen, Che Yu . University of Maryland. Department of Astronomy; Estados Unidos
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Fil: Gong, Hao . University of Maryland. Department of Astronomy; Estados Unidos
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Fil: Plunkett, Adele L. . Yale University. Department of Astronomy; Estados Unidos
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Fil: Tobin, John J. . National Radio Astronomy Observatory; Estados Unidos
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Fil: Kwon, Woojin . SRON Netherlands Institute for Space Research; Países Bajos
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Fil: Isella, Andrea . California Institute of Technology. Astronomy Department; Estados Unidos
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Fil: Kauffmann, Jens . Max Planck Institut für Radioastronomie; Alemania
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Fil: Tassis, Konstantinos . University of Crete. Department of Physics and Institute of Theoretical and Computational Physics; Grecia
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Fil: Crutcher, Richard M. . University of Illinois, Urbana. Department of Astronomy; Estados Unidos
dc.description.fil
Fil: Gammie, Charles F. . University of Illinois, Urbana. Department of Astronomy; Estados Unidos
dc.description.fil
Fil: Testi, Leonardo . ESO, Karl-Schwarzschild-Strasse; Alemania
dc.journal.title
Astrophysical Journal
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/article/10.1088/0004-637X/794/2/165/meta
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/arxiv/http://arxiv.org/abs/1409.1233
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info:eu-repo/semantics/altIdentifier/doi/10.1088/0004-637X/794/2/165
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/0004-637X/794/2/165
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