Publications (23)
Ariel: Enabling planetary science across light-years
Giovanna Tinetti, Paul Eccleston, Carole Haswell +313
Ariel, the Atmospheric Remote-sensing Infrared Exoplanet Large-survey, was adopted as the fourth medium-class mission in ESA's Cosmic Vision programme to be launched in 2029. Durin…
Multiplexable frequency retuning of MKID arrays using their non-linear kinetic inductance
Mario De Lucia, Eoin Baldwin, Gerhard Ulbricht +3
Microwave Kinetic Inductance Detector (MKID) arrays are currently being developed and deployed for astronomical applications in the visible and near infrared and for sub-millimetre…
Parsec-Scale Herbig-Haro Outflows from Intermediate Mass Stars
Fiona McGroarty, Tom Ray, John Bally
While there are many parsec-scale Herbig-Haro (HH) outflows known to be driven by low-mass young stars, few are associated with their intermediate mass counterparts. Here we presen…
Toward Resolving the Outflow Engine: An Observational Perspective
Tom Ray, Catherine Dougados, Francesca Bacciotti +2
Jets from young stars represent one of the most striking signposts of star formation. The phenomenon has been researched for over two decades and there is now general agreement tha…
The Herschel view of circumstellar discs: a multi-wavelength study of Chamaeleon I
Donna Rodgers-Lee, Alexander Scholz, Antonella Natta +1
We present the results of a multi-wavelength study of circumstellar discs around 44 young stellar objects in the 3 Myr old nearby Chamaeleon I star-forming region. In particular, w…
The nature of the embedded intermediate-mass T Tauri star DK Cha
Rebeca Garcia Lopez, Brunella Nisini, Simone Antoniucci +5
Most of our knowledge about star formation is based on studies of low-mass stars, whereas very little is known about the properties of the circumstellar material around young and e…
The James Webb Space Telescope Mission
Jonathan P. Gardner, John C. Mather, Randy Abbott +1004
Twenty-six years ago a small committee report, building on earlier studies, expounded a compelling and poetic vision for the future of astronomy, calling for an infrared-optimized…
15NH3 in the atmosphere of a cool brown dwarf
David Barrado, Paul Mollière, Polychronis Patapis +40
Brown dwarfs serve as ideal laboratories for studying the atmospheres of giant exoplanets on wide orbits as the governing physical and chemical processes in them are nearly identic…
Life beyond 30: probing the -20<M_UV<-17 luminosity function at 8<z<13 with the NIRCam parallel field of the MIRI Deep Survey
Pablo G. Pérez-González, Luca Costantin, Danial Langeroodi +41
We present the ultraviolet luminosity function and an estimate of the cosmic star formation rate density at derived from deep NIRCam observations taken in parallel with th…
The role of magnetic fields in the formation of protostars, disks, and outflows
Yusuke Tsukamoto, Anaëlle Maury, Benoît Commerçon +6
We present our current understanding of the formation and early evolution of protostars, protoplanetary disks, and the driving of outflows as dictated by the interplay of magnetic…
Bridging the Gap Between Stars and Planets: The Formation and Early Evolution of Brown Dwarfs
Subhanjoy Mohanty, Adam Burgasser, Gilles Chabrier +17
This White Paper, submitted to the National Academy of Sciences' Astro2010 Decadal Review Committee, focuses on 2 central themes in the study of young brown dwarfs -- their formati…
Modeling Results and Baseline Design for an RF-SoC-Based Readout System for Microwave Kinetic Inductance Detectors
Colm Bracken, Eoin Baldwin, Gerhard Ulbricht +2
Building upon existing signal processing techniques and open-source software, this paper presents a baseline design for an RF System-on-Chip Frequency Division Multiplexed readout…
Brown Dwarf Jets: Investigating the Universality of Jet Launching Mechanisms at the Lowest Masses
Emma Teresa Whelan, Francesca Bacciotti, Tom Ray +1
Recently it has become apparent that proto-stellar-like outflow activity extends to the brown dwarf (BD) mass regime. While the presence of accretion appears to be the common ingre…
JWST study of the DG Tau B disk wind candidate: I -- Overview and Nested H/CO outflows
Valentin Delabrosse, Catherine Dougados, Sylvie Cabrit +5
The origin and impact of outflows on proto-planetary disks and planet formation are key open questions. DG Tau B, a Class I protostar with a structured disk and a striking rotating…
Temperaments of young stars: Rapid mass-accretion rate changes in T Tauri and Herbig Ae stars
Gráinne Costigan, Jorick S. Vink, Aleks Scholz +2
Variability in emission lines is a characteristic feature in young stars and can be used as a tool to study the physics of the accretion process. Here we present a study of Hα var…
The 2008 Outburst in the Young Stellar System Z CMa: The First Detection of Twin Jets
Emma Whelan, Catherine Dougados, Marshall Perrin +11
The Z CMa binary is understood to undergo both FU Orionis (FUOR) and EX Orionis (EXOR) type outbursts. While the SE component has been spectro- scopically identified as an FUOR, th…
The EChO science case
Giovanna Tinetti, Pierre Drossart, Paul Eccleston +347
The discovery of almost 2000 exoplanets has revealed an unexpectedly diverse planet population. Observations to date have shown that our Solar System is certainly not representativ…
Frequency Domain Multiplexing for MKIDs: Comparing the Xilinx ZCU111 RFSoC with their new 2x2 RFSoC board
Eoin Baldwin, Mario De Lucia, Colm Bracken +4
The Xilinx ZCU111 Radio Frequency System on Chip (RFSoC) is a promising solution for reading out large arrays of microwave kinetic inductance detectors (MKIDs). The board boasts ei…
MIRI-LRS spectrum of a cold exoplanet around a white dwarf: water, ammonia, and methane measurements
Maël Voyer, Quentin Changeat, Pierre-Olivier Lagage +21
The study of the atmosphere of exoplanets orbiting white dwarfs is a largely unexplored field. With WD\,0806-661\,b, we present the first deep dive into the atmospheric physics and…
Repurposing ROACH-1 boards for prototyping of readout systems for optical-NIR MKIDs
OisÃn Creaner, Colm Bracken, Jack Piercy +4
Microwave Kinetic Inductance Detectors (MKIDs) are cryogenic photon detectors and are attractive because they permit simultaneous time, energy and spatial resolution of faint astro…
Herschel spectral-line mapping of the HH211 protostellar system
Odysseas Dionatos, Tom Ray, Manuel Guedel
(Abridged) Mid- and far-infrared observations of the environment around embedded protostars reveal a plethora of high excitation molecular and atomic emission lines. In this work w…
Spatially Resolved Observations of the Bipolar Optical Outflow from the Brown Dwarf 2MASSJ12073347-3932540
Emma Whelan, Tom Ray, Fernando Comeron +2
Studies of brown dwarf (BD) outflows provide information pertinent to questions on BD formation, as well as allowing outflow mechanisms to be investigated at the lowest masses. Her…
Limitations to the energy resolution of single-photon sensitive Microwave Kinetic Inductance Detectors
Mario De Lucia, Gerhard Ulbricht, Eoin Baldwin +4
This paper describes the energy resolution of Microwave Kinetic Inductance Detectors (MKIDs), and models some limiting factors to it. Energy resolution is a measure of the smallest…