Search Results - "Shirley, Y. L."

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  1. 1

    ALMA Observations of Starless Core Substructure in Ophiuchus by Kirk, H., Dunham, M. M., Francesco, J. Di, Johnstone, D., Offner, S. S. R., Sadavoy, S. I., Tobin, J. J., Arce, H. G., Bourke, T. L., Mairs, S., Myers, P. C., Pineda, J. E., Schnee, S., Shirley, Y. L.

    Published in The Astrophysical journal (01-04-2017)
    “…Compact substructure is expected to arise in a starless core as mass becomes concentrated in the central region likely to form a protostar. Additionally,…”
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    Journal Article
  2. 2

    The Initial Conditions of Clustered Star Formation. I. NH3 Observations of Dense Cores in Ophiuchus by Friesen, R. K, Di Francesco, J, Shirley, Y. L, Myers, P. C

    Published in The Astrophysical journal (01-06-2009)
    “…We present combined interferometer and single dish telescope data of NH3 (J, K) = (1,1) and (2,2) emission toward the clustered star forming Ophiuchus B, C,…”
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  3. 3

    AN ANALYSIS OF THE DEUTERIUM FRACTIONATION OF STAR-FORMING CORES IN THE PERSEUS MOLECULAR CLOUD by Friesen, R K, Kirk, H M, Shirley, Y L

    Published in The Astrophysical journal (01-03-2013)
    “…We have performed a pointed survey of N sub(2)D super(+) 2-1 and N sub(2)D super(+) 3-2 emission toward 64 N sub(2)H+-bright starless and protostellar cores in…”
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  4. 4

    The Initial Conditions of Clustered Star Formation. III. The Deuterium Fractionation of the Ophiuchus B2 Core by Friesen, R. K, Di Francesco, J, Myers, P. C, Belloche, A, Shirley, Y. L, Bourke, T. L, André, P

    Published in The Astrophysical journal (01-08-2010)
    “…We present N{sub 2}D{sup +} 3-2 (IRAM), and H{sub 2}D{sup +} 1{sub 11}-1{sub 10} and N{sub 2}H{sup +} 4-3 (JCMT) maps of the small cluster-forming Ophiuchus B2…”
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  5. 5

    The Star Formation Rate-Dense Gas Relation in Galaxies as Measured by HCN(3-2) Emission by Bussmann, R. S, Narayanan, D, Shirley, Y. L, Juneau, S, Wu, J, Solomon, P. M, Vanden Bout, P. A, Moustakas, J, Walker, C. K

    Published in The Astrophysical journal (10-07-2008)
    “…We present observations made with the 10 m Heinrich Hertz Submillimeter Telescope of HCN(3-2) emission from a sample of 30 nearby galaxies ranging in infrared…”
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  6. 6

    Enhanced Dense Gas Fraction in Ultraluminous Infrared Galaxies by Juneau, S, Narayanan, D. T, Moustakas, J, Shirley, Y. L, Bussmann, R. S, Kennicutt, R. C, Vanden Bout, P. A

    Published in The Astrophysical journal (20-12-2009)
    “…We present a detailed analysis of the relation between infrared luminosity and molecular line luminosity, for a variety of molecular transitions, using a…”
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  7. 7

    Arcsecond-Scale Kinematic and Chemical Complexity in Cepheus A East by Brogan, C. L, Chandler, C. J, Hunter, T. R, Shirley, Y. L, Sarma, A. P

    Published in The Astrophysical journal (10-05-2007)
    “…We present results from Submillimeter Array (SMA) observations of the star-forming region Cepheus A East at similar to 340 GHz (875 mu m) with 0.7"-2"…”
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  8. 8

    Connecting Dense Gas Tracers of Star Formation in our Galaxy to High-z Star Formation by Wu, Jingwen, Evans II, Neal J, Gao, Yu, Solomon, Philip M, Shirley, Yancy L, Vanden Bout, Paul A

    Published in The Astrophysical journal (20-12-2005)
    “…Observations have revealed prodigious amounts of star formation in starburst galaxies as traced by dust and molecular emission, even at large redshifts. Recent…”
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  9. 9

    IRAS 16293–2422: Proper Motions, Jet Precession, the Hot Core, and the Unambiguous Detection of Infall by Chandler, Claire J, Brogan, Crystal L, Shirley, Yancy L, Loinard, Laurent

    Published in The Astrophysical journal (10-10-2005)
    “…We present high spatial resolution observations of the multiple protostellar system IRAS 16293-2422 using the Submillimeter Array (SMA) at 300 GHz and the Very…”
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  10. 10

    Modeling the Physical Structure of the Low-Density Pre-Protostellar Core Lynds 1498 by Shirley, Yancy L, Nordhaus, Miranda K, Grcevich, Jana M, Evans II, Neal J, Rawlings, Jonathan M. C, Tatematsu, Ken’ichi

    Published in The Astrophysical journal (20-10-2005)
    “…Pre-protostellar cores likely represent the incipient stages of low-mass (-1 M sub( )) star formation. Lynds 1498 is a pre-protostellar core (PPC) and was one…”
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  11. 11

    High resolution submillimeter observations of massive protostars by Brogan, C. L., Hunter, T. R., Indebetouw, R., Chandler, C. J., Shirley, Y. L., Rao, R., Sarma, A. P.

    Published in Astrophysics and space science (2008)
    “…We describe results from recent Submillimeter Array observations of massive protostellar objects (CepheusA-East, NGC7538 IRS1, and G5.89-0.39) with resolutions…”
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  12. 12

    Constraining the structure of the non-spherical pre-protostellar core L1544 by Doty, Steven D., Everett, Sheila E., Shirley, Yancy L., Evans, Neal J., Palotti, Matthew L.

    “…We present a study of the pre-protostellar core L1544. A series of self-consistent, three-dimensional continuum radiative transfer models is constructed. The…”
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  13. 13

    THE BOLOCAM GALACTIC PLANE SURVEY. XIV. PHYSICAL PROPERTIES OF MASSIVE STARLESS AND STAR-FORMING CLUMPS by Svoboda, Brian E., Shirley, Yancy L., Battersby, Cara, Rosolowsky, Erik W., Ginsburg, Adam G., Ellsworth-Bowers, Timothy P., Pestalozzi, Michele R., Dunham, Miranda K., Evans II, Neal J., Bally, John, Glenn, Jason

    Published in The Astrophysical journal (10-05-2016)
    “…ABSTRACT We sort 4683 molecular clouds between 10° < < 65° from the Bolocam Galactic Plane Survey based on observational diagnostics of star formation…”
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  14. 14

    Chemical evolution in the early phases of massive star formation. I by Gerner, T, Beuther, H, Semenov, D, Linz, H, Vasyunina, T, Bihr, S, Shirley, Y. L, Henning, Th

    Published 18-03-2014
    “…A&A 563, A97 (2014) Understanding the chemical evolution of young (high-mass) star-forming regions is a central topic in star formation research. Chemistry is…”
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    CARMA Large Area Star Formation Survey: Observational Analysis of Filaments in the Serpens South Molecular Cloud by Fernández-López, M, Arce, H. G, Looney, L, Mundy, L. G, Storm, S, Teuben, P. J, Lee, K, Segura-Cox, D, Isella, A, Tobin, J. J, Rosolowsky, E, Plunkett, A, Kwon, W, Kauffmann, J, Ostriker, E, Tassis, K, Shirley, Y. L, Pound, M

    Published 17-07-2014
    “…2014, ApJ, 790, L19 We present the N2H+(J=1-0) map of the Serpens South molecular cloud obtained as part of the CARMA Large Area Star Formation Survey…”
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    The Initial Conditions of Clustered Star Formation III. The Deuterium Fractionation of the Ophiuchus B2 Core by Friesen, R. K, Di Francesco, J, Myers, P. C, Belloche, A, Shirley, Y. L, Bourke, T. L, André, P

    Published 23-06-2010
    “…We present N2D+ 3-2 (IRAM) and H2D+ 1_11 - 1_10 and N2H+ 4-3 (JCMT) maps of the small cluster-forming Ophiuchus B2 core in the nearby Ophiuchus molecular…”
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  20. 20

    The Detection and Characterization of Centimeter Radio Continuum Emission from the Low-Mass Protostar L1014-IRS by Shirley, Yancy L, Claussen, Mark J, Bourke, Tyler L, Young, Chadwick H, Blake, Geoffrey A

    Published in The Astrophysical journal (20-09-2007)
    “…Observations by the Cores to Disk Legacy Team with the Spitzer Space Telescope have identified a low-luminosity, mid-infrared source within the dense core,…”
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