584 citations · 1.5k across the 24 of their papers we have counts for
19 papers · 1 filter
Multi-frequency mapping of the S255IR region at a wavelength of 1~mm
E. A. Mikheeva, S. V. Kalenskii, S. -Y. Liu +2
The results of interferometric observations of the star-forming region S255IR in the frequency range 210--250 GHz are presented. The observations were carried out with the antenna…
Chemical differentiation and gas kinematics around massive young stellar objects in RCW 120
K. V. Plakitina, M. S. Kirsanova, S. V. Kalenskii +2
We present results of a spectral survey towards a dense molecular condensation and young stellar objects (YSOs) projected on the border of the HII region RCW 120 and discuss emissi…
Spectral Survey of the Star Formation Region DR21OH in the 4 mm Wavelength Range
S. V. Kalenskii, E. A. Mikheeva
The results of a spectral survey of the region of massive star formation DR21OH in the 4-mm wavelength range are presented. Sixty-nine molecules and their isotopologues have been d…
Spectral-line Survey of the Region of Massive Star Formation W51e1/e2 in the 4 mm Wavelength Range
Sergei. V. Kalenskii, Ralf I. Kaiser, Per Bergman +3
We present the results of a spectral-line survey of the W51e1/e2 star-forming region at 68-88 GHz. 79 molecules and their isotopologues were detected, from simple diatomic or triat…
Detection of Two Interstellar Polycyclic Aromatic Hydrocarbons via Spectral Matched Filtering
Brett A. McGuire, Ryan A. Loomis, Andrew M. Burkhardt +12
Ubiquitous unidentified infrared emission bands are seen in many astronomical sources. Although these bands are widely, if not unanimously, attributed to the collective emission fr…
The warm-up phase in massive star-forming cores around RCW 120
M. S. Kirsanova, S. V. Salii, S. V. Kalenskii +3
We study molecular emission in a massive condensation at the border of the HII region RCW 120, paying particular attention to the Core 1 and Core 2 objects, the most massive fragme…
Interstellar Detection of the Highly Polar Five-Membered Ring Cyanocyclopentadiene
Michael C. McCarthy, Kin Long Kelvin Lee, Ryan A. Loomis +10
Much like six-membered rings, five-membered rings are ubiquitous in organic chemistry, frequently serving as the building blocks for larger molecules, including many of biochemical…
An Investigation of Spectral Line Stacking Techniques and Application to the Detection of HCN
Ryan A. Loomis, Andrew M. Burkhardt, Christopher N. Shingledecker +10
As the inventory of interstellar molecules continues to grow, the gulf between small species, whose individual rotational lines can be observed with radio telescopes, and large one…
Early Science from GOTHAM: Project Overview, Methods, and the Detection of Interstellar Propargyl Cyanide (HCCCHCN) in TMC-1
Brett A. McGuire, Andrew M. Burkhardt, Ryan A. Loomis +11
We present an overview of the GOTHAM (GBT Observations of TMC-1: Hunting Aromatic Molecules) Large Program on the Green Bank Telescope. This and a related program were launched to…
Detection of Interstellar HCNC and an Investigation of Isocyanopolyyne Chemistry under TMC-1 Conditions
Ci Xue, Eric R. Willis, Ryan A. Loomis +10
We report an astronomical detection of HCNC for the first time in the interstellar medium with the Green Bank Telescope toward the TMC-1 molecular cloud with a minimum signific…
APEX Millimeter Observations of Methanol Emission Toward High-Mass Star-Forming Cores
Vicente Hernández-Hernández, Stan Kurtz, Sergei Kalenskii +4
We present 247-GHz molecular line observations of methanol (CHOH) toward sixteen massive star-forming regions, using the APEX telescope with an angular resolution of . Th…
Class I methanol masers in low-mass star formation regions
S. Kalenskii, S. Kurtz, P. Hofner +3
We present a review of the properties of Class I methanol masers detected in low-mass star forming regions (LMSFRs). These masers, henceforth called LMMIs, are associated with post…
Detection of the Aromatic Molecule Benzonitrile (-CHCN) in the Interstellar Medium
Brett A. McGuire, Andrew M. Burkhardt, Sergei Kalenskii +4
Polycyclic aromatic hydrocarbons and polycyclic aromatic nitrogen heterocycles are thought to be widespread throughout the Universe, because these classes of molecules are probably…
Interferometric and single-dish observations of 44, 84 and 95 GHz Class I methanol masers
Carolina B. Rodríguez-Garza, Stanley E. Kurtz, Arturo I. Gómez-Ruiz +3
We present observations of massive star-forming regions selected from the IRAS Point Source Catalog. The observations were made with the Very Large Array and the Large Millimeter T…
Detection of HCN and HCN Isotopologues in TMC-1 with the Green Bank Telescope
Andrew M. Burkhardt, Eric Herbst, Sergei V. Kalenskii +3
We report the first interstellar detection of DCN and six C-bearing isotopologues of HCN toward the dark cloud TMC-1 through observations with the Green Bank Telesco…
Analytical Methods for Measuring the Parameters of Interstellar Gas Using the Data of Methanol Observations
S. V. Kalenskii, S. Kurtz
We analyze methanol excitation in the absence of external radiation and consider LTE methods for probing interstellar gas. We show that rotation diagrams correctly estimate the gas…
A catalog of 44 GHz methanol masers in massive star-forming regions. IV. The high-mass protostellar object sample
Carolina B. Rodríguez-Garza, Stanley E. Kurtz, Arturo I. Gómez-Ruiz +3
We present a survey of 56 massive star-forming regions in the 44 GHz methanol maser transition made with the Karl G. Jansky Very Large Array (VLA); 24 of the 56 fields showed maser…
Possible detection of interstellar benzonitrile
S. V. Kalenskii
The simplest cyanobenzene, benzonitrile (c-C6H5CN) have been possibly detected toward the cyanopolyyne peak in TMC-1. We used the results of the 8.8 -- 50 GHz spectral survey of TM…
Detection of Interstellar HCO in TMC-1 with the Green Bank Telescope
Brett A. McGuire, Andrew M. Burkhardt, Christopher N. Shingledecker +4
We report the detection of the carbon-chain radical HCO for the first time in the interstellar medium toward the dark cloud TMC-1 using the 100 m Green Bank Telescope. We obser…