Astrochemistry

Publications

Dissertation


3 mm Spectral Line Surveys of the High Mass Star Forming Regions Sagittarius B2(N-LMH) and Orion-KL
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Full publication list as a PDF.

2009

Refereed Papers

Tracing the Bipolar Outflow from Orion Source I
Plambeck, R. L., Wright, M. C. H., Friedel, D. N., Widicus Weaver, S. L., Bolatto, A. D., Pound, M. W., Woody, D. P., Lamb, J. W., and Scott, S. L.
Accepted for publication in The Astrophysical Journal



Simultaneous Observations of Comet C/2002 T7 (LINEAR) with the Berkeley-Illinois-Maryland Association and Owens Valley Radio Observatory Interferometers: HCN and CH3OH
Hogerheijde, Michiel R., Qi, Chunhua, de Pater, Imke, Blake, Geoffrey, A., Friedel, D. N., Forster, J. R., Palmer, Patrick, Remijan, Anthony J., Snyder, L. E., and Wright, M. C. H.
Published in The Astronomical Journal, vol. 137, pp. 4837



Invited Talks

High Resolution λ=3mm Studies of Organic Molecules in Orion-KL
Friedel, D. N. and Widicus Weaver, S. L.
Presented at the 238th Meeting of the American Chemical Society, August 2009



Conference Proceedings

Cosmological Nucleosynthesis: The Lithium Problem
Friedel, D. N., Kemball, Athol, and Fields, Brian
Presented at the 64th Ohio State University Symposium on Molecular Spectroscopy, June 2009



A Search for Interstellar Urea with CARMA
Kuo, H.-L., Snyder, L. E., Friedel, D. N., Looney, L. W., McCall, B. J. Remijan, A. J., Lovas, F. J., and Hollis, J. M.
Presented at the 64th Ohio State University Symposium on Molecular Spectroscopy, June 2009



The Origins of Ethyl Cyanide and Dimethyl Ether in the Interstellar Medium
Friedel, D. N. and Widicus Weaver, Susanna L.
Presented at the 64th Ohio State University Symposium on Molecular Spectroscopy, June 2009



2008

Refereed Papers

The Distribution, Excitation, and Formation of Cometary Molecules: Methanol, Methyl Cyanide, and Ethylene Glycol
Remijan, Anthony J., Milam, Stefanie N., Womack, Maria, Apponi, A. J., Ziurys, L. M., Wyckoff, Susan, A'Hearn, M. F., de Pater, Imke, Forster, J. R., Friedel, D. N., Palmer, Patrick, Snyder, L. E., Veal, J. M., Woodney, L. M., and Wright, M. C. H.
Published in the Astrophysical Journal, vol. 689, pp. 613



High-Resolution λ=1 mm CARMA Observations of Large Molecules in Orion-KL
Friedel, D. N and Snyder, L. E.
Published in the Astrophysical Journal, vol. 672, pp. 962-975



Conference Proceedings

Probing the Chemical Complexity of High Mass Star Forming Regions
Friedel, D. N. and Widicus Weaver, Susanna L.
Presented at the 63rd Ohio State University Symposium on Molecular Spectroscopy, June 2008



An Acetic Acid Survey Toward High- and Low-Mass Star Forming Regions
Shiao, Y.-S., Looney, L. W., Snyder, L. E., Friedel, D. N., and Remijan, A. J.
Presented at the 63rd Ohio State University Symposium on Molecular Spectroscopy, June 2008



Using a Search for Interstellar Urea to Test the Ability of CARMA to Detect New Molecules
Snyder, L. E., Kuo, H.-L., Friedel, D. N., Looney, L. W., McCall, B. J., Remijan, A. J., Lovas, F. J., and Hollis, J. M.
Presented at the 63rd Ohio State University Symposium on Molecular Spectroscopy, June 2008



CARMA Observations of Large Organic Molecules in Orion-KL
Friedel, D. N. and Snyder, L. E.
Presented at the 211th Meeting of the American Astronomical Society, January 2008



2007

Conference Proceedings

Astrochemistry with the Combined Array for Research in Millimeter-Wave Astronomy
Friedel, D. N. and Looney, L. W.
Presented at the 62nd Ohio State University Symposium on Molecular Spectroscopy, June 2007



The First Acetic Acid Survey from CARMA
Shiao, Y.-S., Friedel, D. N., Remijan, A. J., Looney, L. W., and Snyder, L. E.
Presented at the 62nd Ohio State University Symposium on Molecular Spectroscopy, June 2007



The Kinematics of the Orion-KL Region from High Resolution CARMA Observations
Friedel, D. N., Snyder, L. E., and Remijan, A. J.
Presented at the 62nd Ohio State University Symposium on Molecular Spectroscopy, June 2007



Preparation for the Astronomical Search for Protenated Methanol
Kuo, H.-L, Friedel, D. N., Looney, L. W., Snyder, L. E., Widdicus Weaver, S. L., and McCall, B. J
Presented at the 62nd Ohio State University Symposium on Molecular Spectroscopy, June 2007



High Resolution CARMA Observations of Acetone [(CH3)2CO] in the Orion-KL Region
Friedel, D. N., Snyder, L. E., and Remijan, A. J.
Presented at the 62nd Ohio State University Symposium on Molecular Spectroscopy, June 2007



2006

Refereed Papers

Formaldehyde in Comets C/1995 O1 (Hale-Bopp), C/2002 T7 (LINEAR), and C/2001 Q4 (NEAT): Investigating the Cometary Origin of H2CO
Stefanie N. Milam, Anthony J. Remijan, Maria Womack, Leif Abrell, L. M. Ziurys, Susan Wyckoff, A. J. Apponi, D. N. Friedel, L. E. Snyder, J. M. Veal, Patrick Palmer, L. M. Woodney, Michael F. A'Hearn, J. R. Forster, M. C. H. Wright, I. de Pater, S. Choi, and M. Gesmundo
Published in the Astrophisical Journal, vol. 649, pp. 1169-1177



A Bima Array Survey of Molecules in Comets Linear (C/2002 T7) and Neat (C/2001 Q4)
Anthony J. Remijan, D. N. Friedel, Imke de Pater, M. R. Hogerheijde, L. E. Snyder, M. F. A'Hearn, Geoffrey A. Blake, H. R. Dickel, J. R. Forster, C. Kraybill, L. W. Looney, Patrick Palmer, M. C. H. Wright
Published in the Astrophisical Journal, vol. 643, pp. 567-572





Conference Proceedings

Analysis of the 3 MM spectrum of Orion-KL from the BIMA Array
D. N. Friedel, L. E. Snyder, Anthony J. Remijan, and B. E. Turner
Presented at the 61st Ohio State Symposium on Molecular Spectroscopy, June 2006



Increasing Sensitivity to Large Molecules: The Importance of Phase correction to Millimeter Arrays Y.-S. Shiao, L. W. Looney, D. N. Friedel, L. E. Snyder, and E. C. Sutton
Presented at the 61st Ohio State Symposium on Molecular Spectroscopy, June 2006



2005

Refereed Papers

Detection of Interstellar Acetone toward the Orion-KL Hot Core
D. N. Friedel, L. E. Snyder, Anthony J. Remijan, and B. E. Turner
Published in the Astrophysical Journal Letters, vol. 632, pp. L95-L98



BIMA Array Detections of HCN in Comets LINEAR (C/2002 T7) and NEAT (C/2001 Q4)
D. N. Friedel, Anthony J. Remijan, L. E. Snyder, M. F. A'Hearn, Geoffrey A. Blake, Imke de Pater, H. R. Dickel, J. R. Forster, M. R. Hogerheijde, C. Kraybill, L. W. Looney, Patrick Palmer, and M. C. H. Wright
Published in the Astrophysical Journal, vol. 630, pp. 623-630



A Survey of Large Molecules toward the Proto-Planetary Nebula CRL 618
Anthony J. Remijan, Freidrich Wyrowski, D. N. Friedel, Davis S. Meier and Lewis E. Snyder
Published in the Astrophysical Journal, vol. 626, pp. 233-244



A Rigorous Attempt to Verify Interstellar Glycine
L. E. Snyder, F. J. Lovas, J. M. Hollis, D. N. Friedel, P. R. Jewell, A. Remijan, V. V. Ilyushin, E. A. Alekseev, and S. F. Dyubko
Published in the Astrophysical Journal, vol. 619, pp. 914-930





Conference Proceedings

BIMA Array Detections of HCN in Comets LINEAR (C/2002 T7) and NEAT (C/2001 Q4)
D. N. Friedel, L. E. Snyder, L. W. Looney, H. R. Dickel, Anthony J. Remijan, Patrick Palmer, Imke de Pater, J. R. Forster, C. Kraybill, M. C. H. Wright, M. R. Hogerheijde, M. F. A'Hearn, and Geoffrey A. Blake
Presented at the 60th Ohio State Symposium on Molecular Spectroscopy, June 2005



BIMA Array 3 mm Spectral Line Survey of Orion-KL
D. N. Friedel, L. E. Snyder, B. E. Turner, and Anthony J. Remijan
Presented at the 60th Ohio State Symposium on Molecular Spectroscopy, June 2005



A Survey of Large Molecules Toward the Protoplanetary Nebula CRL 618
Anthony J. Remijan, Friedrich Wyrowski, D. N. Friedel, D. S. Meier, and L. E. Snyder
Presented at the 60th Ohio State Symposium on Molecular Spectroscopy, June 2005



2004

Refereed Papers

A Survey of Large Molecules of Biological Interest Toward Selected High Mass Star Forming Regions
A. Remijan, Y.-S. Shiao, D. N. Friedel, D. S. Meier and L. E. Snyder
Published in the Astrophysical Journal vol. 617, pp. 384-398



High-Resolution Observations of Methyl Cyanide (CH$_3$CN) toward the Hot Core Regions W51e1/e2
Remijan, A., Sutton, E. C., Snyder, L. E., Friedel, D. N., Liu, S.-Y., and Pei, C.-C.
Published in the Astrophysical Journal vol. 606, pp. 917-928



A Spectral Line Survey of Selected 3mm Bands Toward Sagittarius B2(N-LMH)
Using the NRAO 12 Meter Radio Telescope and the BIMA Array: I. The Observational Data

D. N. Friedel, L. E. Snyder, B. E. Turner, and A. Remijan
Published in the Astrophysical Journal vol. 600, pp. 234-253





Conference Proceedings

A BIMA Array Search for Biomolecules in Comet Hale-Bopp(C/1995 O1)
Remijan, A., Snyder, L. E., Friedel, D. N., Veal, J. M., Palmer, Patrick, Woodney, L. M., A'Hearn, Michael F., Forster, J. R., Wright, M. C. H., and de Pater, I.
Presented at the 36th Meeting of the Division of Planetary Sciences, American Asronomical Society, Nov. 2004



BIMA Array observations of Comets LINEAR (C/2002 T7) and NEAT (C/2001 Q4)
Friedel, D. N., Remijan, A., Snyder, L. E., A'Hearn, M. F., Blake, G. A., de Pater, I., Dickel, H. R., Forster, J. R., Hogerheijde, M. R., Kraybill, C., Looney, L. W., Palmer, P., and Wright, M. C. H.
Presented at the 36th Meeting of the Division of Planetary Sciences, American Asronomical Society, Nov. 2004



Molecular Outflows from Massive Protostars
Kim, K.-T., Churchwell, E., Friedel, D. N., and Sewilo, M.
Presented at the 59th Ohio State Symposium on Molecular Spectroscopy, June 2004



High-Resolution Observations of Methyl Cyanide (CH3CN) toward the Hot Core Regions W51e1/e2
Remijan, A., Sutton, E. C., Snyder, L. E., Friedel, D. N., Liu, S.-Y., and Pei, C.-C.
Presented at the 59th Ohio State Symposium on Molecular Spectroscopy, June 2004



A Spectral Line Survey of Selected 3 Millimeter Bands toward Sagittarius B2(N-LMH) Using the National Radio Astronomy Observatory 12 Meter Radio Telescope and the Berkeley-Illinois-Maryland Association Array. II. Data Analysis
Friedel, D. N., Snyder, L. E., Turner, B. E., and Remijan, A.
Presented at the 59th Ohio State Symposium on Molecular Spectroscopy, June 2004



High-Resolution Observations of Methyl Cyanide (CH3CN) toward the Hot Core Regions W51e1/e2
Remijan, A., Sutton, E. C., Snyder, L. E., Friedel, D. N., Liu, S.-Y., and Pei, C.-C.
Presented at the 36th Meeting of the Division of Planetary Sciences, American Asronomical Society, Nov. 2004



2003

Refereed Papers

A Survey of Acetic Acid toward Hot Molecular Cores
A. Remijan, L. E. Snyder, D. N. Friedel, S-Y Liu, and R. Y. Shah
Published in the Astrophysical Journal vol. 590, pp. 314-332





Conference Proceedings

A λ=3 mm Spectral Line Survey of Sagittarius B2(N-LMH) with the BIMA Array and NRAO 12 Meter Radio Telescope
D. N. Friedel, L. E. Snyder, B. E. Turner, A. Remijan
Presented at the 58th Ohio State Symposium on Molecular Spectroscopy, June 2003



Interstellar Urea [(NH2)2CO]
L. E. Snyder, A. Remijan, F. J. Lovas, and D. N. Friedel
Presented at the 58th Ohio State Symposium on Molecular Spectroscopy, June 2003