206 citations · 5.5k across the 195 of their papers we have counts for
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Dust dynamics in planet-forming discs in binary systems
Francesco Zagaria, Giovanni P. Rosotti, Richard D. Alexander +1
In multiple stellar systems interactions among the companion stars and their discs affect planet formation. In the circumstellar case tidal truncation makes protoplanetary discs sm…
The Mass Accretion Rate and Stellar Properties in Class I Protostars
Eleonora Fiorellino, Lukasz Tychoniec, Fernando Cruz-Saenz de Miera +5
Stars collect most of their mass during the protostellar stage, yet the accretion luminosity and stellar parameters, which are needed to compute the mass accretion rate, are poorly…
An analytic solution to measure the gas size in protoplanetary discs in the viscous self-similar scenario
Claudia Toci, Giuseppe Lodato, Francesco Gerardo Livio +2
In order to understand which mechanism is responsible for accretion in protoplanetary discs, a robust knowledge of the observed disc radius using gas tracers such as CO and…
Importance of source structure on complex organics emission III. Effect of disks around massive protostars
P. Nazari, B. Tabone, G. P. Rosotti
Complex organic molecules are only detected toward a fraction of high-mass protostars. The goal of this work is to investigate whether high-mass disks can explain the lack of metha…
On the underestimation of dust mass in protoplanetary disks: Effects of disk structure and dust properties
Yao Liu, Hendrik Linz, Min Fang +6
The total amount of dust grains in protoplanetary disks is one of the key properties that characterize the potential for planet formation. With (sub-)millimeter flux measurements,…
The relation between the Mass Accretion Rate and the Disk Mass in Class I Protostars
Eleonora Fiorellino, Lukasz Tychoniec, Carlo F. Manara +5
The evidence of a relation between the mass accretion rate and the disk mass is established for young, Class II pre-main sequence stars. This observational result opened an avenue…
Millimeter Gap Contrast as a Probe for Turbulence Level in Protoplanetary Disks
Yao Liu, Gesa H. -M. Bertrang, Mario Flock +7
Turbulent motions are believed to regulate angular momentum transport and influence dust evolution in protoplanetary disks. Measuring the strength of turbulence is challenging thro…
The Origin of the Doppler-flip in HD 100546: a large scale spiral arm generated by an inner binary companion
Brodie J. Norfolk, Christophe Pinte, Josh Calcino +9
Companions at sub-arcsecond separation from young stars are difficult to image. However their presence can be inferred from the perturbations they create in the dust and gas of pro…
PENELLOPE III. The peculiar accretion variability of XX Cha and its impact on the observed spread of accretion rates
R. A. B. Claes, C. F. Manara, R. Garcia-Lopez +17
The processes regulating protoplanetary disk evolution are constrained by studying how mass accretion rates scale with stellar and disk properties. The spread in these relations ca…
Distributions of gas and small and large grains in the LkH disk trace a young planetary system
P. Pinilla, M. Benisty, N. T. Kurtovic +13
[abridged] We present new scattered light and millimeter observations of the protoplanetary disk around LkH, using SPHERE/VLT and ALMA, respectively. The scattered-light SP…
Distribution of solids in the rings of the HD 163296 disk: a multiwavelength study
G. Guidi, A. Isella, L. Testi +15
In this paper we analyze new observations from ALMA and VLA, at a high angular resolution corresponding to 5 - 8 au, of the protoplanetary disk around HD 163296 to determine the du…
Forming short period sub-stellar companions in 47 Tucanae -- II. Analytic expressions for the orbital evolution of planets in dense environments
Andrew J. Winter, Cathie J. Clarke, Giovanni Rosotti +1
Short period, massive planets, known as hot Jupiters (HJs), have been discovered around percent of local field stars. The inward migration necessary to produce HJs may be…
Gap opening by planets in discs with magnetised winds
Vardan Elbakyan, Yinhao Wu, Sergei Nayakshin +1
Planets open deep gaps in protoplanetary discs when their mass exceeds a gap opening mass, . We use one- and two-dimensional simulations to study planet gap opening in…
Super-resolution trends in the ALMA Taurus survey: Structured inner discs and compact discs
Jeff Jennings, Marco Tazzari, Cathie J. Clarke +2
The 1.33 mm survey of protoplanetary discs in the Taurus molecular cloud found annular gaps and rings to be common in extended sources (>~55 au), when their 1D visibility distribut…
Inward and outward migration of massive planets: moving towards a stalling radius
C. E. Scardoni, C. J. Clarke, G. P. Rosotti +3
Recent studies on the planet-dominated regime of Type II migration showed that, contrary to the conventional wisdom, massive planets can migrate outwards. Using `fixed-planet' simu…
On the time evolution of the and correlations for protoplanetary discs: the viscous timescale increases with stellar mass
Alice Somigliana, Claudia Toci, Giovanni Rosotti +5
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…
Modelling the secular evolution of proto-planetary disc dust sizes -- A comparison between the viscous and magnetic wind case
Francesco Zagaria, Giovanni P. Rosotti, Cathie J. Clarke +1
For many years proto-planetary discs have been thought to evolve viscously: angular momentum redistribution leads to accretion and outward disc spreading. Recently, the hypothesis…
CO Line Emission Surfaces and Vertical Structure in Mid-Inclination Protoplanetary Disks
Charles J. Law, Sage Crystian, Richard Teague +18
High spatial resolution CO observations of mid-inclination (30-75°) protoplanetary disks offer an opportunity to study the vertical distribution of CO emission and temperature. The…
Unveiling the outer dust disc of TW Hya with deep ALMA observations
John D. Ilee, Catherine Walsh, Jeff Jennings +5
The radial extent of millimetre dust in protoplanetary discs is often far smaller than that of their gas, mostly due to processes such as dust growth and radial drift. However, it…
ALMA constraints on assembly of Core Accretion planets
Sergei Nayakshin, Vardan Elbakyan, Giovanni Rosotti
Resolved dust continuum and CO line ALMA imaging, and in some cases detection of H emission, hint that young massive planets are abundant at wide separations in protoplanetary d…
Gas Disk Sizes from CO Line Observations: A Test of Angular Momentum Evolution
Feng Long, Sean M. Andrews, Giovanni Rosotti +7
The size of a disk encodes important information about its evolution. Combining new Submillimeter Array (SMA) observations with archival Atacama Large Millimeter Array (ALMA) data,…
Importance of source structure on complex organics emission II. Can disks explain lack of methanol emission from some low-mass protostars?
P. Nazari, B. Tabone, G. P. Rosotti +3
Some protostellar systems show little or no millimetre line emission of complex organics. This can be interpreted as a low abundance of these molecules, alternatively they could be…
Characteristics of small protoplanetary disc warps in kinematic observations
Alison K. Young, Richard Alexander, Giovanni Rosotti +1
Many circumstellar discs appear to have misaligned central regions that give rise to shadows seen in scattered light observations. Small warps ( misalignment) are probab…
Stellar multiplicity affects the correlation between proto-planetary disc masses and accretion rates: binaries explain high-accretors in Upper Sco
Francesco Zagaria, Cathie J. Clarke, Giovanni P. Rosotti +1
In recent years a correlation between mass accretion rates onto new-born stars and their proto-planetary disc masses was detected in nearby young star-forming regions. Although suc…