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Laboratory and Astronomical Identification of the Negative Molecular Ion C6H
The negative molecular ion C6H- has been detected in the radio band in the laboratory and has been identified in the molecular envelope of IRC +10216 and in the dense molecular cloud TMC-1. TheExpand
Detection of the carbon chain negative ion C8H- in TMC-1
The negative molecular ion C8H- has been detected in the Galactic molecular source TMC-1. Four rotational transitions have been observed in the centimeter-wave band with the NRAO 100 m Green BankExpand
An Interferometric Spectral Line and Imaging Survey of VY Canis Majoris in the 345 GHz Band
A spectral line survey of the oxygen-rich red supergiant VYCanis Majoris was made between 279 and 355GHz with the Submillimeter Array. Two hundred twenty three spectral features from 19 moleculesExpand
Laboratory and astronomical identification of cyclopropenylidene, C3H2.
Twenty-seven rotational lines of C/sub 3/H/sub 2/ have been identified in the laboratory or in astronomical sources, and the rotational and centrifugal distortion constants of this previouslyExpand
Detection of HC[TINF]11[/TINF]N in the Cold Dust Cloud TMC-1
Two consecutive rotational transitions of the long cyanopolyyne HC11N, J=39-38, and J=38-37, have been detected in the cold dust cloud TMC-1 at the frequencies expected from recent laboratoryExpand
Astronomical identification of the C3H radical.
A determination of the spectroscopic constraints of C3H that permitted the entire radio spectrum of this molecule to be calculated to high accuracy has been derived from analysis of the combined astronomical and laboratory data presented in the accompanying Letter. Expand
Laboratory and Astronomical Detection of the Negative Molecular Ion C3N
The negative molecular ion C3N− has been detected at millimeter wavelengths in a low-pressure laboratory discharge, and then with frequencies derived from the laboratory data in the molecularExpand
Optical and millimeter-wave observations of the M8 region
Millimeter-wave observations made toward the NGC 6530-M8 star-forming complex are compared with high-quality optical interference-filter photographs of that region taken with the new Kitt Peak 4-mExpand
A spectral-line survey of IRC+10216 in the 345 GHz band has been undertaken with the Submillimeter Array. Although not yet completed, it has already yielded a fairly large sample of narrow molecularExpand
Astronomical identification of CN^-, the smallest observed molecular anion
We present the first astronomical detection of a diatomic negative ion, the cyanide anion CN-, as well as quantum mechanical calculations of the excitation of this anion through collisions withExpand