A Spectral Line Survey of G34.3+0.15 at 3 Millimeters (84.7-115.6 GHZ) and 2 Millimeters (123.5-155.3 GHZ)

Details A Spectral Line Survey of G34.3+0.15 at 3 Millimeters (84.7-115.6 GHZ) and 2 Millimeters (123.5-155.3 GHZ) A Spectral Line Survey of G34.3+0.15 at 3 Millimeters (84.7-115.6 GHZ) and 2 Millimeters (123.5-155.3 GHZ)

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000apjs..131..483k&link_type=abstract

The Astrophysical Journal Supplement Series, Volume 131, Issue 2, pp. 483-504.

Astronomy and Astrophysics

Astronomy

11

Ism: H Ii Regions, Ism: Abundances, Ism: Individual: Alphanumeric: G34.3+0.15, Ism: Molecules

Scientific paper

A spectral line survey in the ranges of 84.7-115.6 and 123.5-155.3 GHz has been carried out toward the ultracompact H II region G34.3+0.15 using the 14 m radio telescope at Taeduk Radio Astronomy Observatory (TRAO). The sensitivity achieved is typically 0.03-0.08 K. One hundred twenty-seven lines from 19 distinct species plus nine isotopomers and four ionized species have been detected from the TRAO 3 and 2 mm surveys. Two molecular lines; CH3OH[3(1)-2(1) A-], CH3OH[9(0)-8(1) A+] and one unidentified line at the frequency of 148.1119 GHz are newly detected in this survey. These data sets are the first line survey results for G34.3+0.15 in these spectral regions. The column density, rotational temperature and fractional abundance are derived for the CH3OH, SO, H2CS, HC3N, CH3CN, and CH3CCH molecules using a rotation diagram analysis.

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