The second molecular cloud core in L 1641

Details The second molecular cloud core in L 1641 The second molecular cloud core in L 1641

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...166..276t&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 166, no. 1-2, Sept. 1986, p. 276-282.

Astronomy and Astrophysics

Astrophysics

14

Interstellar Matter, Molecular Clouds, Star Formation, Carbon Monoxide, Density Distribution, Formyl Ions, Hydrocyanic Acid, Molecular Spectra

Scientific paper

The authors report the discovery of a second molecular cloud core in the dark cloud L 1641. Observations are presented for the J = 1-0 lines of CO, 13CO, C18O, HCN, and HCO+. The core exhibits broad CO wings, and contains a newly discovered HH object, two IRAS sources, and a near infrared source. An analysis of the H2 column density distribution shows a maximum density of ⪆104cm-3 and total mass of ≡150 M_sun;. An HCN map reveals that the inner dense part of the core is elongated with a size of ≡0.7 pc×0.4 pc. The authors suggest that the core represents another site of active star formation in Orion.

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