Marco Tazzari
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View article: Multi-frequency analysis of the ALMA and VLA high resolution continuum observations of the substructured disc around CI Tau
Multi-frequency analysis of the ALMA and VLA high resolution continuum observations of the substructured disc around CI Tau Open
We present high angular resolution (50 mas) and sensitivity Atacama Large Millimeter/submillimeter Array (ALMA) Band 3 (3.1 mm) and Very Large Array (VLA) Ka band (9.1 mm) observations of the multi-ringed disc around the 3 Myr-old solar-ma…
View article: The centimeter emission from planet-forming disks in Taurus
The centimeter emission from planet-forming disks in Taurus Open
The last decade has witnessed remarkable advances in the characterization of the (sub-)millimeter emission from planet-forming disks. Conversely, the study of (sub-)centimeter emission has made more limited progress, to the point that only…
View article: The centimeter emission from planet-forming disks in Taurus
The centimeter emission from planet-forming disks in Taurus Open
The last decade has witnessed remarkable advances in the characterization of the (sub-)millimeter emission from planet-forming disks. Instead, the study of the (sub-)centimeter emission has made more limited progress, to the point that onl…
View article: The evolution of the <i>M</i><sub>d</sub>–<i>M</i><sub>⋆</sub> and <i>Ṁ</i>–<i>M</i><sub>⋆</sub> correlations traces protoplanetary disc dispersal
The evolution of the <i>M</i><sub>d</sub>–<i>M</i><sub>⋆</sub> and <i>Ṁ</i>–<i>M</i><sub>⋆</sub> correlations traces protoplanetary disc dispersal Open
Observational surveys of entire star-forming regions have provided evidence of power-law correlations between the disc-integrated properties and the stellar mass, especially the disc mass ( M d ∝ M * λ m ) and the accretion rate ( Ṁ ∝ M * …
View article: The evolution of the $M_{\mathrm{d}}-M_{\star}$ and $\dot M-M_{\star}$ correlations traces protoplanetary disc dispersal
The evolution of the $M_{\mathrm{d}}-M_{\star}$ and $\dot M-M_{\star}$ correlations traces protoplanetary disc dispersal Open
(Abridged) Observational surveys of entire star-forming regions have provided evidence of power-law correlations between the disc properties and the stellar mass, especially the disc mass (${M_d \propto M_*}^{λ_m}$) and the accretion rate …
View article: Dust properties across the Co snowline in the HD 163296 disk from ALMA and VLA observations
Dust properties across the Co snowline in the HD 163296 disk from ALMA and VLA observations Open
Context. To characterize the mechanisms of planet formation it is crucial to investigate the properties and evolution of protoplanetary disks around young stars, where the initial conditions for the growth of planets are set. The high spat…
View article: Dual-band Observations of the Asymmetric Ring around CIDA 9A: Dead or Alive?
Dual-band Observations of the Asymmetric Ring around CIDA 9A: Dead or Alive? Open
While the most exciting explanation of the observed dust asymmetries in protoplanetary disks is the presence of protoplanets, other mechanisms can also form the dust features. This paper presents dual-wavelength Atacama Large Millimeter/su…
View article: Data from "Compact Disks in a High-resolution ALMA Survey of Dust Structures in the Taurus Molecular Cloud"
Data from "Compact Disks in a High-resolution ALMA Survey of Dust Structures in the Taurus Molecular Cloud" Open
Continuum fits images for all disks in our ALMA Cycle 4 Taurus disk survey - see details in Long et al., 2018, ApJ, 869, 17 and Long et al., 2019, ApJ, 882, 49
View article: Data from "Compact Disks in a High-resolution ALMA Survey of Dust Structures in the Taurus Molecular Cloud"
Data from "Compact Disks in a High-resolution ALMA Survey of Dust Structures in the Taurus Molecular Cloud" Open
<p>Continuum fits images for all disks in our ALMA Cycle 4 Taurus disk survey - see details in Long et al., 2018, ApJ, 869, 17 and Long et al., 2019, ApJ, 882, 49</p>
View article: Dual-Band Observations of the Asymmetric Ring around CIDA 9A: Dead or Alive?
Dual-Band Observations of the Asymmetric Ring around CIDA 9A: Dead or Alive? Open
While the most exciting explanation of the observed dust asymmetries in protoplanetary disks is the presence of protoplanets, other mechanisms can also form the dust features. This paper presents dual-wavelength Atacama Large Millimeter/su…
View article: The Time Evolution of Md/M in Protoplanetary Disks as a Way to Disentangle between Viscosity and MHD Winds
The Time Evolution of Md/M in Protoplanetary Disks as a Way to Disentangle between Viscosity and MHD Winds Open
As the classic viscous paradigm for protoplanetary disk accretion is challenged by the observational evidence of low turbulence, the alternative scenario of MHD disk winds is being explored as being potentially able to reproduce the same o…
View article: Radio multiwavelength analysis of the compact disk CX Tau: Presence of strong free-free variability or anomalous microwave emission
Radio multiwavelength analysis of the compact disk CX Tau: Presence of strong free-free variability or anomalous microwave emission Open
Protoplanetary disks emit radiation across a broad range of wavelengths, requiring a multiwavelength approach to fully understand their physical mechanisms and how they form planets. Observations at submillimeter to centimeter wavelengths …
View article: Radio multiwavelength analysis of the compact disk CX Tau: Presence of strong free-free variability or anomalous microwave emission
Radio multiwavelength analysis of the compact disk CX Tau: Presence of strong free-free variability or anomalous microwave emission Open
Protoplanetary disks emit radiation across a broad range of wavelengths, requiring a multiwavelength approach to fully understand their physical mechanisms and how they form planets. Observations at sub-millimeter to centimeter wavelengths…
View article: A Large Double-ring Disk Around the Taurus M Dwarf J04124068+2438157
A Large Double-ring Disk Around the Taurus M Dwarf J04124068+2438157 Open
Planet formation imprints signatures on the physical structures of disks. In this paper, we present high-resolution (∼50 mas, 8 au) Atacama Large Millimeter/submillimeter Array observations of 1.3 mm dust continuum and CO line emission tow…
View article: A Large Double-ring Disk around the Taurus M Dwarf J04124068+2438157
A Large Double-ring Disk around the Taurus M Dwarf J04124068+2438157 Open
Planet formation imprints signatures on the physical structures of disks. In this paper, we present high-resolution ($\sim$50 mas, 8 au) Atacama Large Millimeter/submillimeter Array (ALMA) observations of 1.3 mm dust continuum and CO line …
View article: Distribution of solids in the rings of the HD 163296 disk: a multiwavelength study
Distribution of solids in the rings of the HD 163296 disk: a multiwavelength study Open
Context. Observations at millimeter wavelengths of bright protoplanetary disks have shown the ubiquitous presence of structures such as rings and spirals in the continuum emission. The derivation of the underlying properties of the emittin…
View article: Superresolution trends in the ALMA Taurus survey: structured inner discs and compact discs
Superresolution trends in the ALMA Taurus survey: structured inner discs and compact discs Open
The 1.33-mm survey of protoplanetary discs in the Taurus molecular cloud found annular gaps and rings to be common in extended sources (≳ 55au), when their 1D visibility distributions were fit parametrically. We first demonstrate the advan…
View article: On the time evolution of the <i>M</i>d−<i>M</i>⋆ and <i>Ṁ–M⋆</i> correlations for protoplanetary discs: the viscous time-scale increases with stellar mass
On the time evolution of the <i>M</i>d−<i>M</i>⋆ and <i>Ṁ–M⋆</i> correlations for protoplanetary discs: the viscous time-scale increases with stellar mass Open
Large surveys of star-forming regions have unveiled power-law correlations between the stellar mass and the disc parameters, such as the disc mass $M_{\mathrm{d}} \!-\! {M_{\star }}$ and the accretion rate $\dot{M} \!-\! {M_{\star }}$. The…
View article: A giant planet shaping the disk around the very low-mass star CIDA 1
A giant planet shaping the disk around the very low-mass star CIDA 1 Open
Context. Exoplanetary research has provided us with exciting discoveries of planets around very low-mass (VLM) stars (0.08 M ⊙ ≲ M * ≲ 0.3 M ⊙ ; e.g., TRAPPIST-1 and Proxima Centauri). However, current theoretical models still strive to ex…
View article: On the time evolution of the $M_{\rm d} - M_\star$ and $\dot M - M_\star$ correlations for protoplanetary discs: the viscous timescale increases with stellar mass
On the time evolution of the $M_{\rm d} - M_\star$ and $\dot M - M_\star$ correlations for protoplanetary discs: the viscous timescale increases with stellar mass Open
Large surveys of star-forming regions have unveiled power-law correlations between the stellar mass and the disc parameters, such as the disc mass $M_{\mathrm{d}} \propto {M_{\star}}^{λ_{\mathrm{m}}}$ and the accretion rate $\dot M \propto…
View article: Observational constraints on gas disc sizes in the protoplanetary discs of multiple systems in the Taurus region
Observational constraints on gas disc sizes in the protoplanetary discs of multiple systems in the Taurus region Open
The formation of multiple stellar systems is a natural by-product of the star-formation process, and its impact on the properties of protoplanetary discs and on the formation of planets is not yet fully understood. To date, no detailed uni…
View article: A super-resolution analysis of the DSHARP survey: Substructure is common in the inner 30 au
A super-resolution analysis of the DSHARP survey: Substructure is common in the inner 30 au Open
The DSHARP survey evidenced the ubiquity of substructure in the mm dust\ndistribution of large, bright protoplanetary discs. Intriguingly, these\ndatasets have yet higher resolution information that is not recovered in a\nCLEAN image. We f…
View article: A super-resolution analysis of the DSHARP survey: Substructure is common in the inner 30 au
A super-resolution analysis of the DSHARP survey: Substructure is common in the inner 30 au Open
The DSHARP survey evidenced the ubiquity of substructure in the mm dust distribution of large, bright protoplanetary discs. Intriguingly, these datasets have yet higher resolution information that is not recovered in a CLEAN image. We firs…
View article: Brown dwarf disks with ALMA: evidence for truncated dust disks in Ophiuchus <i>(Corrigendum)</i>
Brown dwarf disks with ALMA: evidence for truncated dust disks in Ophiuchus <i>(Corrigendum)</i> Open
View article: The first ALMA survey of protoplanetary discs at 3 mm: demographics of grain growth in the Lupus region
The first ALMA survey of protoplanetary discs at 3 mm: demographics of grain growth in the Lupus region Open
We present the first ALMA survey of protoplanetary discs at 3 mm, targeting 36 young stellar objects in the Lupus star-forming region with deep observations (sensitivity 20–50 $\mu$Jy beam−1) at ∼0.35 arcsec resolution (∼50 au). Building o…
View article: Multiwavelength continuum sizes of protoplanetary discs: scaling relations and implications for grain growth and radial drift
Multiwavelength continuum sizes of protoplanetary discs: scaling relations and implications for grain growth and radial drift Open
We analyse spatially resolved ALMA observations at 0.9, 1.3, and 3.1 mm for the 26 brightest protoplanetary discs in the Lupus star-forming region. We characterize the discs multiwavelength brightness profiles by fitting the interferometri…
View article: Data from "Multi-wavelength continuum sizes of protoplanetary discs: scaling relations and implications for grain growth and radial drift"
Data from "Multi-wavelength continuum sizes of protoplanetary discs: scaling relations and implications for grain growth and radial drift" Open
Table 1, Table 2, and Table 3 from Tazzari et al., 2021, "Multi-wavelength continuum sizes of protoplanetary discs: scaling relations and implications for grain growth and radial drift", Monthly Notices of the Royal Astronomical Society, a…
View article: Spiral Arms and a Massive Dust Disk with Non-Keplerian Kinematics: Possible Evidence for Gravitational Instability in the Disk of Elias 2–27
Spiral Arms and a Massive Dust Disk with Non-Keplerian Kinematics: Possible Evidence for Gravitational Instability in the Disk of Elias 2–27 Open
To determine the origin of the spiral structure observed in the dust continuum emission of Elias 2–27 we analyze multiwavelength continuum ALMA data with a resolution of ∼0.″2 (∼23 au) at 0.89, 1.3, and 3.3 mm. We also study the kinematics…
View article: Data from "The first ALMA survey of protoplanetary discs at 3 mm: demographics of grain growth in the Lupus region"
Data from "The first ALMA survey of protoplanetary discs at 3 mm: demographics of grain growth in the Lupus region" Open
Table 1 and Table 2 from Tazzari et al., 2021, "The first ALMA survey of protoplanetary discs at 3 mm: demographics of grain growth in the Lupus region", Monthly Notices of the Royal Astronomical Society, arXiv:2010.02248\n\nBoth tables ar…
View article: A bright inner disk and structures in the transition disk around the very low-mass star CIDA 1
A bright inner disk and structures in the transition disk around the very low-mass star CIDA 1 Open
The frequency of Earth-sized planets in habitable zones appears to be higher around M-dwarfs, making these systems exciting laboratories to investigate planet formation. Observations of protoplanetary disks around very low-mass stars and b…