Published March 15, 1975 | Version v1
Journal article Metadata-only

Distribution of 73-GHz para-formaldehyde line emission in the Orion Nebula

Creators

  • 1. Department of Astronomy, University of Tokyo

Description

The 101-000 transition of para-formaldehyde (72.8381 GHz) has been observed for 10 points in Ori A by the 6-m millimeter-wave telescope at Mitaka. The emission has been found to be extended to the north direction compared with the 2-mm lines of formaldehyde; the north-south extension of the 73-GHz line emission is about 6'. The distribution of the excitation temperature of para-formaldehyde in the Orion molecular cloud is discussed. The column density of para-formaldehyde is estimated to be 2approx.5times1013 cm-2

Additional details

Identifiers

DOI
10.1086/153460;

Publishing Information

Journal Title
The Astrophysical Journal
Journal Volume
196
Journal Issue
3
Series
Astrophys. J.
Journal Page Range
719
ISSN
0004-637X

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
6207943
Subject category
S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
Descriptors DEI
CHEMICAL COMPOSITION; COSMIC RADIO SOURCES; COSMOCHEMISTRY; EXCITATION; FORMALDEHYDE; INTERSTELLAR SPACE; MOLECULES; NEBULAE; RADIOWAVE RADIATION; TEMPERATURE DEPENDENCE
Descriptors DEC
ALDEHYDES; CHEMISTRY; ELECTROMAGNETIC RADIATION; ENERGY-LEVEL TRANSITIONS; ORGANIC COMPOUNDS; RADIATIONS; SPACE

Optional Information

Notes
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