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Related papers: ALMA Resolves the Nuclear Disks of Arp 220

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The nuclear structure of dusty star-forming galaxies is largely unexplored but harbours critical information about their structural evolution. Here, we present long-baseline Atacama Large (sub-)Millimetre Array (ALMA) continuum observations…

Astrophysics of Galaxies · Physics 2025-01-29 H. R. Stacey , M. Kaasinen , C. M. O'Riordan , J. P. McKean , D. M. Powell , F. Rizzo

We present Atacama Large Millimeter/submillimeter Array (ALMA) Band 6 observations of dust continuum emission of the disk around WW Cha. The dust continuum image shows a smooth disk structure with a faint (low-contrast) dust ring, extending…

We present the highest spatial resolution (~0.5") CO (3-2) observations to date of the "overlap" region in the merging Antennae galaxies (NGC 4038/39), taken with the ALMA. We report on the discovery of a long (3 kpc), thin (aspect ratio…

We present results from a joint ALMA-HST study of the nearby spiral galaxy NGC 628. We combine the HST LEGUS database of over 1000 stellar clusters in NGC 628 with ALMA Cycle 4 millimeter/submillimeter observations of the cold dust…

Astrophysics of Galaxies · Physics 2019-11-06 J. A. Turner , D. A. Dale , A. Adamo , D. Calzetti , K. Grasha , E. K. Grebel , K. E. Johnson , J. C. Lee , L. J. Smith , I. Yoon

We present Atacama Large Millimeter/Submillimeter Array (ALMA) continuum observations of a sample of nine star-forming galaxies at redshifts 1.47 and 2.23 selected from the High-$z$ Emission Line Survey (HiZELS). Four galaxies in our sample…

T Cha is a young star surrounded by a transitional disk with signatures of planet formation. We have obtained high-resolution and high-sensitivity ALMA observations of T Cha in the ${\rm CO}(3$--$2)$, ${\rm ^{13}CO}(3$--$2)$, and ${\rm…

Solar and Stellar Astrophysics · Physics 2015-02-18 N. Huelamo , I. de Gregorio-Monsalvo , E. Macias , C. Pinte , M. Ireland , P. Tuthill , S. Lacour

We observe Arp 220, the nearest Ultra-Luminous Infrared Galaxy (ULIRG), over 4 GHz in the K and Ka bands. We provide constraints for the kinematics,morphology, and identify molecular species on scales resolving both nuclei (0.6" or 230 pc).…

Astrophysics of Galaxies · Physics 2016-12-14 Laura K. Zschaechner , Jürgen Ott , Fabian Walter , David S. Meier , Emmanuel Momjian , Nick Scoville

We present Atacama Large Millimeter/submillimeter Array (ALMA) observations in the dust continuum (690 GHz, 0.45 mm) and 12CO J=6-5 spectral line emission, of the transitional disks surrounding the stars SAO 206462 and SR 21. These ALMA…

Solar and Stellar Astrophysics · Physics 2015-06-18 Laura M. Pérez , Andrea Isella , John M. Carpenter , Claire J. Chandler

ExoKuiper belts around young A-type stars often host CO gas, whose origin is still unclear. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS) includes 6 of these gas-bearing belts, to characterise their dust and gas…

The ALMA Central Molecular Zone Exploration Survey, ACES, has mapped $\gtrsim1000$ square arcminutes at 3 mm toward the center of our Galaxy. ACES provides the first large-scale, high-resolution ($\sim2.5$") view of the central $\sim200$…

We investigate the structure and kinematics of the circumstellar disk around the Herbig Ae star MWC 758 using high resolution observations of the 12CO (3-2) and dust continuum emission at the wavelengths of 0.87 and 3.3 mm. We find that the…

Solar and Stellar Astrophysics · Physics 2015-05-20 Andrea Isella , Antonella Natta , David Wilner , John M. Carpenter , Leonardo Testi

We present ALMA [\ion{C}{1}]~$^3P_1$--$^3P_0$ imaging of the central $6.6\times4.2~\mathrm{pc}^2$ region of the Galaxy encompassing the circumnuclear disk (CND). The data reveal low-density ($n_\mathrm{H_2}\sim10^3~$cm$^{-3}$) molecular gas…

Astrophysics of Galaxies · Physics 2026-02-11 Kunihiko Tanaka , Makoto Nagai , Kazuhisa Kamegai

We present new Atacama Large Millimeter/submillimeter Array (ALMA) observations for three protoplanetary disks in Taurus at 2.9\,mm and comparisons with previous 1.3\,mm data both at an angular resolution of $\sim0.''1$ (15\,au for the…

We present Atacama Large Millimeter/submillimeter Array (ALMA) CO($J=2-1$) observations of two main-sequence star-forming galaxies at $z\sim1.47$ taken from the High-Z Emission Line Survey (HiZELS). These two systems have been previously…

Astrophysics of Galaxies · Physics 2019-06-17 J. Molina , Edo Ibar , I. Smail , A. M. Swinbank , E. Villard , A. Escala , D. Sobral , T. M. Hughes

We report serendipitous detections of line emission with ALMA in band 3, 6, and 7 in the central parsec of the Galactic center at an up to now highest resolution (<0.7''). Among the highlights are the very first and highly resolved images…

We present ALMA Band 6 observations of a complete sample of protoplanetary disks in the young (1-3 Myr) Lupus star-forming region, covering the 1.33 mm continuum and the 12CO, 13CO, and C18O J=2-1 lines. The spatial resolution is 0.25…

Aims. We aim to understand the unexpected presence of mm-wave molecular absorption at -200 \kms $< {\rm v} < -140$ \kms\ in a direction that is well away from regions of the Galactic bulge where CO emission at such velocities is prominent.…

Astrophysics of Galaxies · Physics 2017-03-29 M. Gerin , H. Liszt

We investigate the dust distribution in the crescent disk around HD 142527 based on the continuum emission at $890 \mathrm{\ \mu m}$ obtained by ALMA Cycle 0. The map is divided into $18$ azimuthal sectors, and the radial intensity profile…

Earth and Planetary Astrophysics · Physics 2017-12-13 Kang-Lou Soon , Tomoyuki Hanawa , Takayuki Muto , Takashi Tsukagoshi , Munetake Momose

We present ALMA observations of cold dust and molecular gas in four high-luminosity, heavily reddened (A$_{\rm{V}} \sim 2.5-6$ mag) Type 1 quasars at $z\sim2.5$ with virial M$_{\rm{BH}} \sim 10^{10}$M$_\odot$, to test whether dusty, massive…

Astrophysics of Galaxies · Physics 2017-01-11 Manda Banerji , C. L. Carilli , G. Jones , J. Wagg , R. G. McMahon , P. C. Hewett , S. Alaghband-Zadeh , C. Feruglio

We present new Atacama Large Millimeter/submillimeter Array (ALMA) observations of the dust continuum and [C II] 158 $\mu$m fine structure line emission towards a far-infrared-luminous quasar, ULAS J131911.29$+$095051.4 at $z=6.13$, and…