Eugenio Schisano

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Thermal images of cold dust in the Central Molecular Zone of the Milky Way, obtained with the far-infrared cameras on-board the Herschel satellite, reveal a ∼ 3 × 107 M ring of dense and cold clouds orbiting the Galactic Center. Using a simple toy-model, an elliptical shape having semi-major axes of 100 and 60 parsecs is deduced. The major axis of this(More)
In a previous paper we identified cores within infrared dark clouds (IRDCs). We regarded those without embedded sources as the least evolved, and labelled them starless. Here we identify the most isolated starless cores and model them using a three-dimensional, multi-wavelength, Monte Carlo, radiative transfer code. We derive the cores’ physical parameters(More)
We present the data reduction pipeline for the Herschel Infrared Galactic Plane survey (HiGAL). Hi-GAL is a key project of the Herschel satellite, which is mapping the inner part of the Galactic plane (|l| ≤ 70◦ and |b| ≤ 1◦), using two Photodetector Array Camera and Spectrometer (PACS) and three Spectral and Photometric Imaging Receiver (SPIRE) frequency(More)
Aims. As part of the Herschel guaranteed time key program ’HOBYS’, we present the PACS and SPIRE photometric survey of the star forming region Vela-C, one of the nearest sites of low-to-high-mass star formation in the Galactic plane. Our main objectives are to take a census of the cold sources and to derive their mass distribution down to a few solar(More)
The [Ne ii] fine-structure emission line at 12.8μm has been detected in several young stellar objects (YSO) spectra. This line is thought to be produced by X-ray irradiation of the warm protoplanetary disk atmospheres, however the observational correlation between [Ne ii] luminosities and measured X-ray luminosities shows a large scatter. Such spread limits(More)
We present the first results from the science demonstration phase for the Hi-GAL survey, the Herschel key program that will map the inner Galactic plane of the Milky Way in 5 bands. We outline our data reduction strategy and present some science highlights on the two observed 2◦ × 2◦ tiles approximately centered at l = 30◦ and l = 59◦. The two regions are(More)
Aims. As part of the Herschel guaranteed time key program ’HOBYS’, we present the PACS and SPIRE photometric survey of the star forming region Vela-C, one of the nearest sites of low-to-high-mass star formation in the Galactic plane. Our main objectives are to take a census of the cold sources and to derive their mass distribution down to a few solar(More)
Aims. We present the first public release of high-quality data products (DR1) from Hi-GAL, the Herschel infrared Galactic Plane Survey. Hi-GAL is the keystone of a suite of continuum Galactic Plane surveys from the near-IR to the radio, and covers five wavebands at 70, 160, 250, 350 and 500μm, encompassing the peak of the spectral energy distribution of(More)
This paper presents the latest developments on the VIALACTEA Science Gateway in the context of the FP7 VIALACTEA project. This science gateway operates as a central workbench for the VIALACTEA community in order to allow astronomers to process the new-generation (from Infrared to Radio) surveys of the Galactic Plane to build and deliver a quantitative 3D(More)
We present the Herschel Gould Belt survey (Andrè et al. 2010) maps of the L 1641 molecular clouds in Orion A. We extracted both the filaments and dense cores in the region. We identified which of our dense sources are protoor pre-stellar and studied their association with the identified filaments. We find that although most (71%) of the pre-stellar sources(More)