163 citations · 527 across the 14 of their papers we have counts for
14 papers
Tracing grain growth in the forming prestellar core L1506C with 3D modeling of Herschel, IRAM, and CFHT observations
E. Zhu, I. Ristorcelli, K. Demyk +5
In the early phases of star formation, properties of prestellar cores are commonly inferred from observations of thermal dust emission and thus depend on dust properties, which mus…
Pristine composition or size evolution: Can current dust models reproduce emissivities observed in nearby protostars?
M. -A. Carpine, A. Maury, N. Ysard +1
Interstellar dust is a crucial asset in many astronomical observations. Characterising grains present in the dense gas and in star-forming environments is also key to constrain the…
Spatially-resolved interstellar dust properties in the face-on spiral galaxy M 99 as observed by NIKA2
L. Pantoni, F. Galliano, S. C. Madden +62
Large dust grains in thermal equilibrium dominate the far-infrared and contribute to the millimetre continuum of star-forming galaxies, but constraining their properties is difficu…
JWST observations of photodissociation regions III. Dust modelling at the illuminated edge of the Horsehead PDR
M. Elyajouri, A. Abergel, N. Ysard +19
Carbonaceous nano-grains are a significant component of interstellar dust and dominate the mid-infrared emission of photodissociation regions (PDRs). We study the evolution of nano…
From small dust to micron-sized aggregates: the influence of structure and composition on the dust optical properties
M. -A. Carpine, N. Ysard, A. Maury +1
Models of astrophysical dust are key to understand several physical processes, from the role of dust grains as cooling agents in the ISM to their evolution in dense circumstellar d…
Galactic Cold Cores. VIII. Filament formation and evolution: Filament properties in context with evolutionary models
A. Rivera-Ingraham, I. Ristorcelli, M. Juvela +15
Filaments are key for star formation models. As part of the study carried out by the Herschel GCC Programme, here we study the filament properties presented in GCC.VII in context w…
Galactic Cold Cores VII: Filament Formation and Evolution - Methods & Observational Constraints
A. Rivera-Ingraham, I. Ristorcelli, M. Juvela +15
The association of filaments with protostellar objects has made these structures a priority target in star formation studies. The datasets of the Herschel Galactic Cold Cores Key P…
Galactic cold cores V. Dust opacity
M. Juvela, I. Ristorcelli, D. J. Marshall +14
The project Galactic Cold Cores has made Herschel observations of interstellar clouds where the Planck satellite survey has located cold and compact clumps. The sources range from…
Multiwavelength study of the high-latitude cloud L1642: chain of star formation
J. Malinen, M. Juvela, S. Zahorecz +16
L1642 is one of the two high galactic latitude (|b| > 30deg) clouds confirmed to have active star formation. We examine the properties of this cloud, especially the large-scale str…
The degeneracy between dust colour temperature and spectral index. Comparison of methods for estimating the beta(T) relation
M. Juvela, J. Montillaud, N. Ysard +1
Sub-millimetre dust emission provides information on the physics of interstellar clouds and dust. Noise can produce anticorrelation between the colour temperature T_C and the spect…
The degeneracy between the dust colour temperature and the spectral index. The problem of multiple chi^2 minima
M. Juvela, N. Ysard
Because of the Herschel and Planck satellite missions, there is strong interest in the interpretation the sub-millimetre dust spectra from interstellar clouds. Much work has been d…
Galactic cold cores III. General cloud properties
M. Juvela, I. Ristorcelli, L. Pagani +15
We examine the cloud structure around the Planck detections in 71 fields observed with the Herschel SPIRE instrument. We wish to determine the general physical characteristics of t…
The effect of temperature mixing on the observable (T,beta)-relation of interstellar dust clouds
M. Juvela, N. Ysard
Detailed studies of the shape of dust emission spectra are possible thanks to the current instruments capable of observations in several sub-millimetre bands (e.g., Herschel and Pl…
On The Gas Temperature of Molecular Cloud Cores
M. Juvela, N. Ysard
We investigate the uncertainties affecting the temperature profiles of dense cores of interstellar clouds. In regions shielded from external ultraviolet radiation, the problem is r…