SelectedWorks - Ronald L. Snell

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Selected Works of Ronald L. Snell

Professor, Department of Astronomy

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About Ronald L. Snell

Present	Professor, Department of Astronomy, University of Massachusetts Amherst
Institution Organization Position Type Position Title Time Period to Options Current Position Affiliate my profile with this Institution
Present	Undergraduate Program DUGrad Advisor Class of 2013irector,, University of Massachusetts Amherst
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Astrophysics and Astronomy

Radio astronomy and Molecular clouds and star formation

517 K Lederle Graduate Research Center
University of Massachusetts
Amherst, MA. 01003
Tel:413-545-1949

Distribution ofWater Vapor in Molecular Clouds

Astronomy Department Faculty Publication Series (2011)

G Melrick, V Tolls, Ronald L. Snell, E Bergin, et al.

We report the results of a large-area study of water vapor along the Orion Molecular Cloud ridge, the purpose of ...

THE REDSHIFT SEARCH RECEIVER 3 MM WAVELENGTH SPECTRA OF 10 ...

The Astronomical Journal (2011)

Ronald L. Snell, Gopal Narayanan, Min Yun, M Heyer, et al.

The 3 mm wavelength spectra of 10 galaxies have been obtained at the Five College Radio Astronomy Observatory using a ...

THE RELATION BETWEEN GAS AND DUST IN THE TAURUS MOLECULAR ...

The Astrophysical Journal (2010)

G Pineda, P Goldsmith, N Chapman, Ronald L. Snell, et al.

We report a study of the relation between dust and gas over a 100 deg2 area in the Taurus molecular ...

Discovery of a Molecular Outflow in the Haro 6-10 Star-forming ...

The Astrophysical Journal (2008)

Irena Stojimirović, Gopal Narayanan and Ronald L. Snell

We present high sensitivity 12CO and 13CO J=1!0 molecular line maps covering the full extent of the parsec scale Haro ...

Large-scale structure of the molecular gas in Taurus revealed by ...

ASTROPHYSICAL JOURNAL (2008)

PF Goldsmith, M Heyer, Gopal Narayanan, Ronald L. Snell, et al.

We report the results of a 100 deg2 survey of the Taurus molecular cloud region in 12CO and 13CO J ...

SWAS observations of water in molecular outflows

ASTROPHYSICAL JOURNAL (2008)

J Franklin, Ronald L. Snell, MJ Kaufman, GJ Melnick, et al.

We present detections of the ground-state 110→ 101 transition of ortho-H2O at 557 GHz in 18 molecular outflows based on ...

Spectra of Nearby Galaxies Measured with a New Very Broadband ...

Proceedings of the International Astronomical Union (2008)

Gopal Narayanan, Ronald L. Snell, NR Erickson, Aeree Chung, et al.

Three-millimeter-wavelength spectra of a number of nearby galaxies have been obtained at the Five College Radio Astronomy Observatory (FCRAO) using ...

The Five College Radio Astronomy Observatory CO mapping survey of ...

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES (2008)

Gopal Narayanan, MH Heyer, C Brunt, PF Goldsmith, et al.

The FCRAO Survey of the Taurus molecular cloud observed the 12CO and 13CO J = 1–0 emission from 98 deg2 ...

Spitzer spectral line mapping of supernova remnants. I. Basic data ...

ASTROPHYSICAL JOURNAL (2007)

DA Neufeld, DJ Hollenbach, MJ Kaufman, Ronald L. Snell, et al.

We report the results of spectroscopic mapping observations carried out toward small (1' × 1') regions within the supernova remnants ...

Entrainment Mechanisms for Outflows in the L1551 Star-Forming Region

The Astrophysical Journal (2006)

Irena Stojimirovív, Gopal Narayanan, Ronald L. Snell and John Bally

We present high sensitivity 12/13CO(1-0) molecular line maps covering the full extent of the parsec scale L1551 molecular outflow, including ...

Spitzer observations of hydrogen deuteride

ASTROPHYSICAL JOURNAL (2006)

DA Neufeld, JD Green, DJ Hollenbach, P Sonnentrucker, et al.

Submillimeter Wave Astronomy Satellite observations of Comet 9P/Tempel 1 ...

F Bensch, GJ Melnick, DA Neufeld, M Harwit, et al.

On 4 July 2005 at 5:52 UT the Deep Impact mission successfully completed its goal to hit the nucleus of ...

Water absorption from line-of-sight clouds toward W49A

ASTROPHYSICAL JOURNAL (2004)

R Plume, MJ Kaufman, DA Neufeld, Ronald L. Snell, et al.

We have observed six clouds along the line of sight toward W49A using the Submillimeter Wave Astronomy Satellite and several ...

A survey of 557 GHz water vapor emission in the ...

ASTROPHYSICAL JOURNAL (2003)

EA Bergin, MJ Kaufman, GJ Melnick, Ronald L. Snell, et al.

Using NASA's Submillimeter Wave Astronomy Satellite (SWAS), we have examined the production of water in quiescent and shocked molecular gas ...

Sensitive limits on the water abundance in cold low-mass molecular ...

ASTROPHYSICAL JOURNAL (2002)

EA Bergin and Ronald L. Snell

We present Submillimeter Wave Astronomy Satellite observations of water vapor in two cold starless clouds, B68 and core D in ...

Star formation in bright-rimmed clouds. I. Millimeter and submillimeter molecular ...

ASTROPHYSICAL JOURNAL (2002)

CH De Vries, Gopal Narayanan and Ronald L. Snell

We present the results of the first detailed millimeter and submillimeter molecular line survey of bright-rimmed clouds, observed at FCRAO ...

The equilibrium state of molecular regions in the outer Galaxy

ASTROPHYSICAL JOURNAL (2001)

MH Heyer, JM Carpenter and Ronald L. Snell

A summary of global properties and an evaluation of the equilibrium state of molecular regions in the outer Galaxy are ...

Embedded stellar clusters in the W3/W4/W5 molecular cloud ...

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES (2000)

JM Carpenter, MH Heyer and Ronald L. Snell

We analyze the embedded stellar content in the vicinity of the W3/W4/W5 H II regions using the FCRAO Outer Galaxy ...

Extended [C I] and (CO)-C-13 (5 -> 4) emission ...

ASTROPHYSICAL JOURNAL (2000)

JE Howe, MLN Ashby, EA Bergin, G Chin, et al.

We mapped a 13 × 22 pc region in emission from 492 GHz [C I] and, for the first time, ...

Submillimeter Wave Astronomy Satellite observations of extended water emission in ...

ASTROPHYSICAL JOURNAL (2000)

Ronald L. Snell, JE Howe, MLN Ashby, EA Bergin, et al.

We have used the Submillimeter Wave Astronomy Satellite to map the ground-state 110 → 101 transition of ortho-H2O at 557 ...

The distribution of water emission in M17SW

ASTROPHYSICAL JOURNAL (2000)

Ronald L. Snell, JE Howe, MLN Ashby, EA Bergin, et al.

We present a 17-point map of the M17SW cloud core in the 110 → 101 transition of ortho-H2O at 557 ...

Water abundance in molecular cloud cores

ASTROPHYSICAL JOURNAL (2000)

Ronald L. Snell, JE Howe, MLN Ashby, EA Bergin, et al.

We present Submillimeter Wave Astronomy Satellite (SWAS) observations of the 110 → 101 transition of ortho-H2O at 557 GHz toward ...