activity
20122025
most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k citations · 8k across the 47 of their papers we have counts for

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25 papers · 1 filter

astro-ph.GA2024

Large-Scale Mapping Observations of DCN and DCO toward Orion KL

Kotomi Taniguchi, Prathap Rayalacheruvu, Teppei Yonetsu +14

We present emission maps (1.5'1.5' scale, corresponding to 0.18 pc) of the DCN () and DCO () lines in the 2 mm band toward the Orion KL region obtained wi…

astro-ph.GA2023

Interstellar Complex Organic Molecules towards outflows from the G351.16+0.70 (NGC 6334 V) massive protostellar system

O. S. Rojas-García, A. I. Gómez-Ruiz, A. Palau +3

G351.16+0.70 is a relatively well-studied High Mass Star Forming Region with at least two main bipolar outflow structures originating from an OB embedded star and multiple IR cores…

astro-ph.GA2022★ 7 cited

Interstellar Complex Organic Molecules in SiO-traced massive outflows

O. S. Rojas-García, A. I. Gómez-Ruiz, A. Palau +3

The interstellar medium contains dust and gas, in which at high densities and cold conditions molecules can proliferate. Interstellar Complex Organic Molecules (iCOMs) are C-bearin…

astro-ph.GA2021★ 139 cited

Event Horizon Telescope observations of the jet launching and collimation in Centaurus A

Michael Janssen, Heino Falcke, Matthias Kadler +236

Very-long-baseline interferometry (VLBI) observations of active galactic nuclei at millimeter wavelengths have the power to reveal the launching and initial collimation region of e…

astro-ph.GA2021★ 111 cited

Polarimetric properties of Event Horizon Telescope targets from ALMA

Ciriaco Goddi, Ivan Marti-Vidal, Hugo Messias +31

We present the results from a full polarization study carried out with ALMA during the first VLBI campaign, which was conducted in Apr 2017 in the 3mm and 1.3mm bands, in con…

astro-ph.GA2021★ 24 cited

Early Science with the Large Millimeter Telescope: Constraining the Gas Fraction of a Compact Quiescent Galaxy at z=1.883

Joyce N. Caliendo, Katherine E. Whitaker, Mohammad Akhshik +14

We present constraints on the dust continuum flux and inferred gas content of a gravitationally lensed massive quiescent galaxy at =1.8830.001 using AzTEC 1.1mm imaging wit…

astro-ph.GA2019★ 8 cited

Warm gas in protostellar outflows. II. EHV jet and outflows from OMC-2/3

A. I. Gómez-Ruiz, A. Gusdorf, S. Leurini +4

OMC-2/3 is one of the nearest embedded cluster-forming region that includes intermediate-mass protostars at early stages of evolution. A previous CO (3--2) mapping survey towards t…

astro-ph.GA2019★ 41 cited

Dust opacity variations in the pre-stellar core L1544

A. Chacon-Tanarro, J. E. Pineda, P. Caselli +13

Context: The study of dust emission at millimeter wavelengths is important to shed light on the dust properties and physical structure of pre-stellar cores, the initial conditions…

astro-ph.GA2018★ 29 cited

Early science with the Large Millimetre Telescope: An LMT/AzTEC 1.1 mm Survey of Dense Cores in the Monoceros R2 Giant Molecular Cloud

Alyssa D. Sokol, R. A. Gutermuth, R. Pokhrel +7

We present a 1.1~mm census of dense cores in the Mon~R2 Giant Molecular Cloud with the AzTEC instrument on the Large Millimeter Telescope (LMT). We detect 295 cores (209 starless,…

astro-ph.GA2018★ 29 cited

Early Science with the Large Millimeter Telescope: an energy-driven wind revealed by massive molecular and fast X-ray outflows in the Seyfert Galaxy IRAS 17020+4544

A. L. Longinotti, O. Vega, Y. Krongold +23

We report on the coexistence of powerful gas outflows observed in millimeter and X-ray data of the Radio-Loud Narrow Line Seyfert 1 Galaxy IRAS 17020+4544. Thanks to the large coll…

astro-ph.GA2018★ 136 cited

Astrochemical evolution along star formation: Overview of the IRAM Large Program ASAI

B. Lefloch, R. Bachiller, C. Ceccarelli +27

Evidence is mounting that the small bodies of our Solar System, such as comets and asteroids, have at least partially inherited their chemical composition from the first phases of…

astro-ph.GA2017★ 2 cited

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…

astro-ph.GA2017★ 28 cited

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…

astro-ph.GA2017★ 7 cited

Early Science with the Large Millimetre Telescope: Fragmentation of molecular clumps in the Galaxy

M. Heyer, G. W. Wilson, R. Gutermuth +6

Sensitive, imaging observations of the 1.1 mm dust continuum emission from a 1 deg^2 area collected with the AzTEC bolometer camera on the Large Millimeter Telescope are presented.…

astro-ph.GA2017★ 109 cited

A dusty star-forming galaxy at z=6 revealed by strong gravitational lensing

Jorge A. Zavala, Alfredo Montaña, David H. Hughes +28

Since their discovery, submillimetre-selected galaxies (SMGs) have revolutionized the field of galaxy formation and evolution. From the hundreds of square degrees mapped at submill…

astro-ph.GA2017★ 22 cited

Nature of shocks revealed by SOFIA OI observations in the Cepheus E protostellar outflow

A. Gusdorf, S. Anderl, B. Lefloch +12

Protostellar jets and outflows are key features of the star-formation process, and primary processes of the feedback of young stars on the interstellar medium. Understanding the un…

astro-ph.GA2016★ 15 cited

Diagnosing shock temperature with NH and HO profiles

A. I. Gómez-Ruiz, C. Codella, S. Viti +9

In a previous study of the L1157 B1 shocked cavity, a comparison between NH(1-) and HO(1--1) transitions showed a striking difference in the…

astro-ph.GA2015★ 6 cited

Challenging shock models with SOFIA OH observations in the high-mass star-forming region Cepheus A

A. Gusdorf, R. Guesten, K. M. Menten +13

OH is a key molecule in H2O chemistry, a valuable tool for probing physical conditions, and an important contributor to the cooling of shock regions. OH participates in the re-dist…

astro-ph.GA2015★ 27 cited

Impacts of pure shocks in the BHR71 bipolar outflow

Antoine Gusdorf, Denise Riquelme, Sibylle Anderl +10

During the formation of a star, material is ejected along powerful jets that impact the ambient material. This outflow regulates star formation by e.g. inducing turbulence and heat…

astro-ph.GA2014★ 37 cited

The density structure of the L1157 molecular outflow

A. I. Gómez-Ruiz, C. Codella, B. Lefloch +6

We present a multiline CS survey towards the brightest bow-shock B1 in the prototypical chemically active protostellar outflow L1157. We made use of (sub-)mm data obtained in the f…

astro-ph.GA2013★ 52 cited

The B1 shock in the L1157 outflow as seen at high spatial resolution

M. Benedettini, S. Viti, C. Codella +7

We present high spatial resolution (750 AU at 250 pc) maps of the B1 shock in the blue lobe of the L1157 outflow in four lines: CS (3-2), CH3OH (3_K-2_K), HC3N (16-15) and p-H2CO (…

astro-ph.GA2013★ 16 cited

Broad N2H+ emission towards the protostellar shock L1157-B1

C. Codella, S. Viti, C. Ceccarelli +8

We present the first detection of N2H+ towards a low-mass protostellar outflow, namely the L1157-B1 shock, at about 0.1 pc from the protostellar cocoon. The detection was obtained…

astro-ph.GA2013★ 17 cited

The L1157 protostellar outflow imaged with the SMA

A. I. Gómez-Ruiz, N. Hirano, S. Leurini +1

We use the Submillimeter Array to observe, at 1.4 mm, the blue-lobe of the L1157 outflow at high spatial resolution (~ 3"). We detected SiO, H_2CO, and CH_3OH lines from several mo…

astro-ph.GA2013★ 34 cited

Evidence of a SiO collimated outflow from a massive YSO in IRAS 17233-3606

S. Leurini, C. Codella, A. Gusdorf +4

Studies of molecular outflows in high-mass young stellar objects reveal important information about the formation process of massive stars. We therefore selected the close-by IRAS…