175 citations · 745 across the 32 of their papers we have counts for
33 papers
Monitoring of the polarized maser emission around the massive protostars W75N(B)-VLA1 and W75N(B)-VLA2
G. Surcis, W. H. T. Vlemmings, C. Goddi +8
Several radio sources have been detected in the HMSFR W75N(B), among them the massive YSOs VLA1 and VLA2 are of great interest. These are thought to be in different evolutionary st…
Characterization of the dust content in the ring around Sz 91: indications for planetesimal formation?
Karina Maucó, Carlos Carrasco-González, Matthias R. Schreiber +6
One of the most important questions in the field of planet formation is how mm-cm sized dust particles overcome the radial drift and fragmentation barriers to form kilometer-sized…
A Radio Pinwheel Emanating from WR147
Luis F. Rodríguez, Jane Arthur, Gabriela Montes +2
Wolf-Rayet (WR) stars are evolved massive stars, presumably on their way to becoming supernova. They are characterized by high luminosities and fast and dense stellar winds. We hav…
Characterizing the radio continuum nature of sources in the massive star-forming region W75N (B)
A. Rodríguez-Kamenetzky, C. Carrasco-González, J. M. Torrelles +11
The massive star-forming region W75N~(B) is thought to host a cluster of massive protostars (VLA~1, VLA~2, and VLA~3) undergoing different evolutionary stages. In this work, we pre…
Exploring the Grain Properties in the Disk of HL Tau with an Evolutionary Model
Carlos Tapia, Susana Lizano, Anibal Sierra +2
We model the ALMA and VLA millimeter radial profiles of the disk around HL Tau to constrain the properties of the dust grains. We adopt the disk evolutionary models of Lynden-Bell…
The Radial Distribution of Dust Particles in the HL Tau Disk from ALMA and VLA Observations
Carlos Carrasco-González, Anibal Sierra, Mario Flock +13
Understanding planet formation requires to discern how dust grows in protoplanetary disks. An important parameter to measure in disks is the maximum dust grain size present. This i…
An analytical model of radial dust trapping in protoplanetary disks
Anibal Sierra, Susana Lizano, Enrique Macías +3
We study dust concentration in axisymmetric gas rings in protoplanetary disks. Given the gas surface density, we derived an analytical total dust surface density by taking into acc…
Polarization in Disks
Ian Stephens, Zhi-Yun Li, Haifeng Yang +24
Polarized dust emission outside of disks reveal the magnetic field morphology of molecular clouds. Within disks, however, polarized dust emission can arise from very different mech…
Unveiling a cluster of protostellar disks around the massive protostar GGD27 MM1
G. Busquet, J. M. Girart, R. Estalella +9
We used ALMA to observe the star-forming region GGD27 at 1.14 mm with an unprecedented angular resolution, 40 mas (56 au) and sensitivity (0.002 Msun). We detected a cluster of 25…
Particle acceleration in the Herbig-Haro objects HH 80 and HH 81
Adriana Rodríguez-Kamenetzky, Carlos Carrasco-González, Omaira González-Martín +4
We present an analysis of radio (Karl G. Jansky Very Large Array (VLA)), optical (HST), and X-ray (Chandra and XMM-Newton) observations and archival data of the Herbig-Haro objects…
On the Effects of Self-Obscuration in the (Sub-)Millimeter Spectral Indices and Appearance of Protostellar Disks
Roberto Galván-Madrid, Hauyu Baobab Liu, Andrés F. Izquierdo +5
In this paper we explore the effects of self-obscuration in protostellar disks with a radially decreasing temperature gradient and a colder midplane. We are motivated by recent rep…
Resolving the Structure and Kinematics of the Youngest HII Regions and Radio Jets from Young Stellar Objects
Roberto Galván-Madrid, Maite Beltrán, Adam Ginsburg +4
In this contribution we explore the new science that a Next Generation Very Large Array (ngVLA) would be able to perform on the topics of the youngest HII regions and (proto)stella…
Magnetic fields in forming stars with the ngVLA
Charles L. H. Hull, Carlos Carrasco-González, Peter K. G. Williams +4
The magnetic field plays an important role in every stage of the star-formation process from the collapse of the initial protostellar core to the star's arrival on the main sequenc…
Broadband radio spectro-polarimetric observations of high Faraday rotation measure AGN
Alice Pasetto, Carlos Carrasco-González, Shane O'Sullivan +5
We present broadband polarimetric observations of a sample of high Faraday rotation measure (RM) AGN using the VLA telescope from 1 to 2 GHz, and 4 to 12 GHz. The sample (14 source…
The Highly Collimated Radio Jet of HH 80-81: Structure and Non-Thermal Emission
Adriana Rodríguez-Kamenetzky, Carlos Carrasco-González, Anabella Araudo +7
Radio emission from protostellar jets is usually dominated by free-free emission from thermal electrons. However, in some cases, it has been proposed that non-thermal emission coul…
A 1.3 mm SMA Survey of 29 Variable Young Stellar Objects
Hauyu Baobab Liu, Michael M. Dunham, Ilaria Pascucci +16
Young stellar objects (YSOs) may undergo periods of active accretion (outbursts), during which the protostellar accretion rate is temporarily enhanced by a few orders of magnitude.…
JVLA Wideband Polarimetry Observations on a Sample of High Rotation Measure Sources
Alice Pasetto, Carlos Carrasco-González, Gabriele Bruni +4
We present preliminary results of JVLA wideband full polarization observations of a sample of Active Galactic Nuclei (AGN) with very high Rotation Measure (RM) values, a sign of ex…
Momentum-driven outflow emission from an O-type YSO: Comparing the radio jet with the molecular outflow
A. Sanna, L. Moscadelli, R. Cesaroni +3
Aims: We want to study the physical properties of the ionized jet emission in the vicinity of an O-type young stellar object (YSO), and estimate how efficient is the transfer of en…
SMA observations towards the compact, short-lived bipolar water maser outflow in the LkHα 234 region
J. M. Girart, J. M. Torrelles, R. Estalella +8
We present Submillimeter Array (SMA) 1.35 mm subarcsecond angular resolution observations toward the LkHα 234 intermediate-mass star-forming region. The dust emission arises from a…
An extremely high velocity molecular jet surrounded by an ionized cavity in the protostellar source Serpens SMM1
Charles L. H. Hull, Josep M. Girart, Lars E. Kristensen +6
We report ALMA observations of a one-sided, high-velocity (80 km s) CO() jet powered by the intermediate-mass protostellar source Serpens SMM1-a.…
Detection of Linearly Polarized 6.9 mm Continuum Emission from the Class 0 Young Stellar Object NGC1333 IRAS4A
Hauyu Baobab Liu, Shih-Ping Lai, Yasuhiro Hasegawa +7
We report new Karl G. Jansky Very Large Array (JVLA), 0.5 angular resolution observations of linearly polarized continuum emission at 6.9 mm, towards the Class 0 young stellar o…
Absence of Significant Cool Disks in Young Stellar Objects Exhibiting Repetitive Optical Outbursts
Hauyu Baobab Liu, Roberto Galván-Madrid, Eduard I. Vorobyov +10
We report Submillimeter Array (SMA) 1.3 mm high angular resolution observations towards the four EXor type outbursting young stellar objects (YSOs) VY Tau, V1118 Ori, V1143 Ori, an…
Investigating Particle Acceleration in Protostellar Jets: The Triple Radio Continuum Source in Serpens
Adriana Rodríguez-Kamenetzky, Carlos Carrasco-González, Anabella Araudo +5
While most protostellar jets present free-free emission at radio wavelengths, synchrotron emission has been also proposed to be present in a handful of these objects. The presence…
Proper motions of the outer knots of the HH 80/81/80N radio-jet
Josep M. Masqué, Luis F. Rodríguez, Anabella Araudo +5
(abridged) The HH 80/81/80N jet extends from the HH 80 object to the recently discovered Source 34 and has a total projected jet size of 10.3 pc, constituting the largest collimate…