RF. SPECTROSCOPY OF THE HEAVENS

THURSDAY, JUNE 17, 1999 - 1:30PM

Room: 1153 SMITH LAB

Chair: ERIC HERBST, The Ohio State University, Columbus, OH

RF01 15min1:30

THE MgH B'² Sigma ⁺ - X² Sigma ⁺ TRANSITION: A NEW TOOL FOR STUDYING MAGNESIUM ISOTOPE ABUNDANCES.

LLOYD WALLACE, KENNETH HINKLE, Kitt Peak National Observatory, National Optical Astronomy Observatories, Tucson, AZ 85726; EDWARD G. LEE AND PETER F. BERNATH, Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.

[HTML] [GIF] [PS] [PDF] [DVI]

RF02			10min1:47

CAVITY RING-DOWN SPECTROSCOPY OF THE 3-0 QUADRUPOLE OVERTONE BAND OF HYDROGEN.

DANIEL C. ROBIE, Chemistry Department, Barnard College, New York City, NY 10027; JOSEPH T. HODGES, J. PATRICK LOONEY AND ROGER D. VAN ZEE, Chemical Sciences and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899.

[HTML] [GIF] [PS] [PDF] [DVI]

RF03			15min1:59

SPECTROSCOPIC CAPIBILITIES AND POSSIBILITIES OF THE FAR INFRARED AND SUBMILLIMTER TELESCOPE MISSION.

J. C. PEARSON, Jet Propulsion Laboratory, California Institute of Technology, Mail Stop 183-301, 4800 Oak Grove Dr., Pasadena, CA 91109.

[HTML] [GIF] [PS] [PDF] [DVI]

RF04			15min2:16

SUB-MILLIMETER WAVE LINES OF THE LOWEST ROTATIONAL TRANSITION OF CH RADICAL.

T. AMANO, Institute for Astrophysics and Planetary Sciences, Ibaraki University, Mito, Japan 310-8512.

[HTML] [GIF] [PS] [PDF] [DVI]

RF05			15min2:33

ROTATIONALLY RESOLVED ELECTRONIC ABSORPTION SPECTRA OF CYANOPOLYACETYLENE CATIONS.

WAYNE E. SINCLAIR, DAVID PFLUGER, HAROLD LINNARTZ AND JOHN P. MAIER, Institute of Physical Chemistry, University of Basel, Klingelbergstr. 80, CH-4056 Basel, Switzerland.

[HTML] [GIF] [PS] [PDF] [DVI]

RF06			15min2:50

MICROWAVE SPECTROSCOPY OF TWO ISOELECTRONIC RADICALS:
2,4,6-HEPTATRIYNYL, H₂C-C equiv

C-C

C-H, AND 2,4-HEXADIYNYLNITRILE, H₂C-C equiv

C-C

WEI CHEN, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138; and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138; and Department of Chemistry, Wesleyan University, Middletown, CT 06459; STEWART E. NOVICK, Department of Chemistry, Wesleyan University, Middletown, CT 06459; M. C. MCCARTHY, P. THADDEUS, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138; and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138.

[HTML] [GIF] [PS] [PDF] [DVI]

INTERMISSION

RF07			15min3:30

GAS-PHASE ELECTRONIC SPECTRA OF CARBON CHAINS.

D. A. KIRKWOOD, H. LINNARTZ, T. MOTYLEWSKI, M. PACHKOV, M. TULEJ AND J. P. MAIER, Institute of Physical Chemistry, University of Basel, Klingelbergstr. 80, CH-4056 Basel, Switzerland.

[HTML] [GIF] [PS] [PDF] [DVI]

RF08			15min3:47

CAVITY RINGDOWN SPECTROSCOPY OF HC₇H AND HC₉H.

C. D. BALL, M. C. MCCARTHY AND P. THADDEUS, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138 and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138.

[HTML] [GIF] [PS] [PDF] [DVI]

RF09			15min4:04

C₇^- AND THE DIFFUSE INTERSTELLAR BANDS.

BENJAMIN J. MCCALL, DONALD G. YORK, TAKESHI OKA, Department of Astronomy and Astrophysics, The University of Chicago, Chicago, IL 60637.

[HTML] [GIF] [PS] [PDF] [DVI]

RF10			15min4:21

THE ABUNDANCE OF C₇^- IN DIFFUSE INTERSTELLAR CLOUDS.

D. P. RUFFLE, R. TERZIEVA, E. HERBST, Departments of Physics and Astronomy, and Chemical Physics Program, The Ohio State University, Columbus, OH 43210.

[HTML] [GIF] [PS] [PDF] [DVI]

RF11			15min4:38

FAR-INFRARED LASER MAGNETIC RESONANCE SPECTROSCOPIC STUDY OF THE

₂ BENDING FUNDAMENTAL OF THE CCN RADICAL IN ITS X²

_r STATE.

M. D. ALLEN, K. M. EVENSON, Time and Frequency Division, National Institute of Standards and Technology, Boulder, CO 80303-3328; AND J. M. BROWN, The Physical Chemistry Laboratory, Oxford University, South Parks Road, Oxford OX1 3QZ, United Kingdom.

[HTML] [GIF] [PS] [PDF] [DVI]

RF12			15min4:55

SUB-MILLIMETER WAVE SPECTROSCOPY OF HNC PRODUCED IN AN EXTENDED NEGATIVE GLOW DISCHARGE.

T. AMANO, M. NEZU AND Z. ZELINGER, Institute for Astrophysics and Planetary Sciences, Ibaraki University, Mito, Japan 310-8512.

[HTML] [GIF] [PS] [PDF] [DVI]

RF13			15min5:12

CCS - A TRACER OF EARLY STAR FORMATION.

SHIH-PING LAI AND R. M. CRUTCHER, Department of Astronomy, University of Illinois, 1002 W. Green, Urbana, IL 61801.

[HTML] [GIF] [PS] [PDF] [DVI]

RF14			15min5:29

BIMA ARRAY MOLECULAR SEARCHES IN COMET HALE-BOPP(C/1995 O1).

L. E. SNYDER, A. MEYERTHOLEN, J. M. VEAL, Department of Astronomy, University of Illinois, Urbana IL 61801; Y.-J. KUAN, Department of Earth Sciences, National Taiwan Normal University, and IAA, Taipei, Taiwan; I. DE PATER, J. R. FORSTER, M. C. H. WRIGHT, Department of Astronomy, University of California, Berkeley, CA 94720; L. M. WOODNEY, M. F. A'HEARN, Department of Astronomy, University of Maryland, College Park MD 20742-2421; AND P. PALMER, Department of Astronomy and Astrophysics, University of Chicago.

[HTML] [GIF] [PS] [PDF] [DVI]