Browsing University of Hertfordshire by Author "Molinari, S."

Now showing items 1-20 of 24

    • A 100 pc elliptical and twisted ring of cold and dense molecular clouds revealed by Herschel around the galactic center 

      Molinari, S.; Bally, J.; Noriega-Crespo, A.; Compiegne, M.; Bernard, J.P.; Paradis, D.; Martin, P.; Testi, L.; Barlow, M.; Moore, T.; Plume, R.; Swinyard, B.; Zavagno, A.; Calzoletti, L.; M. Di Giorgio, A.; Elia, D.; Faustini, F.; Natoli, P.; Pestalozzi, Michele; Pezzuto, S.; Piacentini, F.; Polenta, G.; Polychroni, D.; Schisano, E.; Traficante, A.; Veneziani, M.; Battersby, C.; Burton, M.; Carey, S.; Fukui, Y.; Li, J.Z.; Lord, S.D.; Morgan, L.; Motte, F.; Schuller, F.; Stringfellow, G.S.; Tan, J.C.; Thompson, Mark; Ward-Thompson, D.; White, G.; Umana, G. (2011)
      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 ...

    • Characterizing precursors to stellar clusters with Herschel 

      Battersby, C.; Bally, J.; Ginsburg, A.; Bernard, J.-P.; Brunt, C.; Fuller, G.A.; Martin, P.; Molinari, S.; Mottram, J.; Peretto, N.; Testi, L.; Thompson, Mark (2011-11-01)
      Context. Despite their profound effect on the universe, the formation of massive stars and stellar clusters remains elusive. Recent advances in observing facilities and computing power have brought us closer to understanding ...

    • Clouds, filaments, and protostars : The Herschel Hi-GAL Milky Way 

      Molinari, S.; Swinyard, B.; Bally, J.; Barlow, M.; Bernard, J.-P.; Martin, P.; Moore, T.; Noriega-Crespo, A.; Plume, R.; Testi, L.; Zavagno, A.; Abergel, A.; Ali, B.; Anderson, L.; André, P.; Baluteau, J.-P.; Battersby, C.; Beltrán, M. T.; Benedettini, M.; Billot, N.; Blommaert, J.; Bontemps, S.; Boulanger, F.; Brand, J.; Brunt, C.; Burton, M.; Calzoletti, L.; Carey, S.; Caselli, P.; Cesaroni, R.; Cernicharo, J.; Chakrabarti, S.; Chrysostomou, A.; Cohen, M.; Compiegne, M.; de Bernardis, P.; de Gasperis, G.; di Giorgio, A.M.; Elia, D.; Faustini, F.; Flagey, N.; Fukui, Y.; Fuller, G.A.; Ganga, K.; Garcia-Lario, P.; Glenn, J.; Goldsmith, P.F.; Griffin, M.; Hoare, M.; Huang, M.; Ikhenaode, D.; Joblin, C.; Joncas, G.; Juvela, M.; Kirk, J.M.; Lagache, G.; Li, J.Z.; Lim, T.L.; Lord, S.D.; Marengo, M.; Marshall, D.J.; Masi, S.; Massi, F.; Matsuura, M.; Minier, V.; Miville-Deschênes, M.-A.; Montier, L.A.; Morgan, L.; Motte, F.; Mottram, J.C.; Müller, T.G.; Natoli, P.; Neves, J.; Olmi, L.; Paladini, R.; Paradis, D.; Parsons, H.; Peretto, N.; Pestalozzi, M.; Pezzuto, S.; Piacentini, F.; Piazzo, L.; Polychroni, D.; Pomarès, M.; Popescu, C. C.; Reach, W.T.; Ristorcelli, I.; Robitaille, J.-F.; Robitaille, T.; Rodón, J.A.; Roy, A.; Royer, P.; Russeil, D.; Saraceno, P.; Sauvage, M.; Schilke, P.; Schisano, E.; Schneider, N.; Schuller, F.; Schulz, B.; Sibthorpe, B.; Smith, H. A.; Smith, M.D.; Spinoglio, L.; Stamatellos, D.; Strafella, F.; Stringfellow, G.S.; Sturm, E.; Taylor, R.; Thompson, Mark; Traficante, A.; Tuffs, R. J.; Umana, G.; Valenziano, L.; Vavrek, R.; Veneziani, M.; Viti, S.; Waelkens, C.; Ward-Thompson, D.; White, G.; Wilcock, L.A.; Wyrowski, F.; Yorke, H.W.; Zhang, Q. (2010-07-01)
      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 ...

    • Clustering properties of far-infrared sources in Hi-Gal science demonstation phase fields 

      Billot, N.; Schisano, E.; Pestalozzi, Michele; Molinari, S.; Noriega-Crespo, A.; Mottram, J.C.; Anderson, L.D.; Elia, D.; Stringfellow, G. S.; Thompson, Mark; Polychroni, D.; Testi, L. (2011)
      We use a minimum spanning tree (MST) algorithm to characterize the spatial distribution of Galactic far-IR sources and derive their clustering properties. We aim to reveal the spatial imprint of different types of star-forming ...

    • Cores in infrared dark clouds (IRDCs) seen in the Hi-GAL survey between l=300 degrees and 330 degrees 

      Wilcock, L.A.; Ward-Thompson, D.; Kirk, J.M.; Stamatellos, D.; Whitworth, A.; Elia, D.; Fuller, G.A.; DiGiorgio, A.; Griffin, M.J.; Molinari, S.; Martin, P.; Mottram, J. C.; Peretto, N.; Pestalozzi, M.; Schisano, E.; Plume, R.; Smith, H. A.; Thompson, M. A. (2012-05)
      We have used data taken as part of the Herschel infrared Galactic Plane survey (Hi-GAL) to study 3171 infrared dark cloud (IRDC) candidates that were identified in the mid-IR (8 mu m) by Spitzer (we refer to these as ...

    • Detection and characterization of a 500 micron dust emissivity excess in the Galactic plane using Herschel/Hi-GAL observations 

      Paradis, D.; Paladini, R.; Noriega-Crespo, A.; Mény, C.; Piacentini, F.; Thompson, Mark; Marshall, D.J.; Veneziani, M.; Bernard, J.P.; Molinari, S. (2012)
      Past and recent observations have revealed unexpected variations in the far-infrared – millimeter (FIR-mm) dust emissivity in the interstellar medium. In the Herschel spectral range, those are often referred to as a 500 ...

    • The G305 star-forming complex : embedded massive star formation discovered by Herschel Hi-GAL 

      Faimali, A.; Thompson, M.A.; Hindson, Luke; Urquhart, J.S.; Pestalozzi, M.; Carey, S.; Shenoy, S.; Veneziani, M.; Molinari, S.; Clark, J.S. (2012-10-11)

    • Giving physical significance to the Hi-GAL data : determining the distance of cold dusty cores in the Milky Way 

      Russeil, D.; Pestalozzi, M.; Mottram, J.C.; Bontemps, S.; Anderson, L.D.; Zavagno, A.; Beltran, M.T.; Bally, J.; Brand, J.; Brunt, C.; Cesaroni, R.; Joncas, G.; Marshall, D.; Martin, P.; Massi, F.; Molinari, S.; Moore, T.J.T.; Noriega-Crespo, A.; Olmi, L.; Thompson, M.A.; Wienen, M.; Wyrowski, F. (2011)
      Context: Hi-GAL, an open time key-project of the Herschel satellite, was awarded 343 hours observing time to carry out a 5-band photometric imaging survey at 70, 160, 250, 350, and 500 mu m of a vertical bar b vertical bar ...

    • A Herschel study of YSO evolutionary stages and formation timelines in two fields of the Hi-GAL survey 

      Elia, D.; Schisano, E.; Molinari, S.; Robitaille, T.; Anglés-Alcázar, D.; Bally, J.; Battersby, C.; Benedettini, M.; Billot, N.; Calzoletti, L.; Di Giorgio, A. M.; Faustini, F.; Li, J. Z.; Martin, P.; Morgan, L.; Motte, F.; Mottram, J.C.; Natoli, P.; Olmi, L.; Paladini, R.; Piacentini, F.; Pestalozzi, M.; Pezzuto, S.; Polychroni, D.; Smith, M.; Strafella, F.; Stringfellow, G. S.; Testi, L.; Thompson, M.A.; Traficante, A.; Veneziani, M. (2010-05-11)
      We present a first study of the star-forming compact dust condensations revealed by Herschel in the two 2 \times 2 \degr Galactic Plane fields centered at [l;b] = [30\degr; 0 \degr] and [l;b] = [59\degr; 0 \degr], respectively, ...

    • The Herschel-SPIRE instrument and its in-flight performance 

      Griffin, M.J.; Abergel, A.; Abreu, A.; Ade, P.A.R.; André, P.; Augueres, J.-L.; Babbedge, T.; Bae, Y.; Baillie, T.; Baluteau, J.-P.; Barlow, M.J.; Bendo, G.; Benielli, D.; Bock, J.; Bonhomme, P.; Brisbin, D.; Brockley-Blatt, C.; Caldwell, M.; Cara, C.; Castro-Rodriguez, N.; Cerulli, R.; Chanial, P.; Chen, S.; Clark, E.; Clements, D. L.; Clerc, L.; Coker, J.; Communal, D.; Conversi, L.; Cox, P.; Crumb, D.; Cunningham, C.; Daly, F.; Davis, G. R.; de Antoni, P.; Delderfield, J.; Devin, N.; di Giorgio, A.; Didschuns, I.; Dohlen, K.; Donati, M.; Dowell, A.; Dowell, C.D.; Duband, L.; Dumaye, L.; Emery, R. J.; Ferlet, M.; Ferrand, D.; Fontignie, J.; Fox, M.; Franceschini, A.; Frerking, M.; Fulton, T.; Garcia, J.; Gastaud, R.; Gear, W.K.; Glenn, J.; Goizel, A.; Griffin, D.K.; Grundy, T.; Guest, S.; Guillemet, L.; Hargrave, P. C.; Harwit, M.; Hastings, P.; Hatziminaoglou, E.; Herman, M.; Hinde, B.; Hristov, V.; Huang, M.; Imhof, P.; Isaak, K.J.; Israelsson, U.; Ivison, R.J.; Jennings, D.; Kiernan, B.; King, K.J.; Lange, A. E.; Latter, W.; Laurent, G.; Laurent, P.; Leeks, S. J.; Lellouch, E.; Levenson, L.; Li, B.; Li, J.; Lilienthal, J.; Lim, T.; Liu, S. J.; Lu, N.; Madden, S.; Mainetti, G.; Marliani, P.; McKay, D.; Mercier, K.; Molinari, S.; Morris, H.; Moseley, H.; Mulder, J.; Mur, M.; Naylor, D.A.; Nguyen, H.; O'Halloran, B.; Oliver, S.; Olofsson, G.; Olofsson, H.-G.; Orfei, R.; Page, M.J.; Pain, I.; Panuzzo, P.; Papageorgiou, A.; Parks, G.; Parr-Burman, P.; Pearce, A.; Pearson, C.; Pérez-Fournon, I.; Pinsard, F.; Pisano, G.; Podosek, J.; Pohlen, M.; Polehampton, E.T.; Pouliquen, D.; Rigopoulou, D.; Rizzo, D.; Roseboom, I.G.; Roussel, H.; Rowan-Robinson, M.; Rownd, B.; Saraceno, P.; Sauvage, M.; Savage, R.; Savini, G.; Sawyer, E.; Scharmberg, C.; Schmitt, D.; Schneider, N.; Schulz, B.; Schwartz, A.; Shafer, R.; Shupe, D. L.; Sibthorpe, B.; Sidher, S.; Smith, A.; Smith, A. J.; Smith, Daniel; Spencer, L.; Stobie, B.; Sudiwala, R.; Sukhatme, K.; Surace, C.; Stevens, Jason; Swinyard, B. M.; Trichas, M.; Tourette, T.; Triou, H.; Tseng, S.; Tucker, C.; Turner, A.; Vaccari, M.; Valtchanov, I.; Vigroux, L.; Virique, E.; Voellmer, G.; Walker, H.; Ward, R.; Waskett, T.; Weilert, M.; Wesson, R.; White, G.J.; Whitehouse, N.; Wilson, C.D.; Winter, B.; Woodcraft, A. L.; Wright, G. S.; Xu, C.K.; Zavagno, A.; Zemcov, M.; Zhang, L.; Zonca, E. (2010-07-01)
      The Spectral and Photometric Imaging REceiver (SPIRE), is the Herschel Space Observatory`s submillimetre camera and spectrometer. It contains a three-band imaging photometer operating at 250, 350 and 500 μm, and an imaging ...

    • The Hi-GAL compact source catalogue – I. The physical properties of the clumps in the inner Galaxy (−71. ◦ 0 < ℓ < 67.◦ 0) 

      Elia, Davide; Molinari, S.; Schisano, E.; Pestalozzi, M.; Pezzuto, S.; Merello, M.; Noriega-Crespo, A.; Moore, T. J.T.; Russeil, D.; Mottram, J.~C.; Paladini, R.; Strafella, F.; Benedettini, M.; Bernard, J.P.; Giorgio, Anna Di; Eden, D.~J.; Fukui, Y.; Plume, R.; Bally, J.; Martin, Gary P; Ragan, S. E.; Jaffa, S. E.; Motte, F.; Olmi, L.; Schneider, N.; Testi, L.; Wyrowski, F.; Zavagno, A.; Calzoletti, L.; Faustini, F.; Natoli, P.; Palmeirim, P.; Piacentini, F.; Piazzo, L.; Pilbratt, G. L.; Polychroni, D.; Baldeschi, A.; Beltrán, M.~T.; Billot, N.; Cambrésy, L.; Cesaroni, R.; García-Lario, P.; Hoare, M.G.; Huang, M.; Joncas, G.; Liu, S.~J.; Maiolo, B. M. T.; Marsh, K. A.; Maruccia, Y.; Mège, P.; Peretto, N.; Rygl, K. L. J.; Schilke, P.; Thompson, M. A.; Traficante, A.; Umana, G.; Veneziani, M.; Ward-Thompson, D.; Whitworth, A. P.; Arab, H.; Bandieramonte, M.; Becciani, U.; Brescia, M.; Buemi, C.; Bufano, F.; Butora, R.; Cavuoti, S.; Costa, Ana Margarida; Fiorellino, E.; Hajnal, A.; Hayakawa, T.; Kacsuk, P.; Leto, P.; Li Causi, G.; Marchili, N.; Martinavarro-Armengol, S.; Mercurio, A.; Molinaro, M.; Riccio, G.; Sano, H.; Sciacca, E.; Tachihara, K.; Torii, K.; Trigilio, C.; Vitello, F.; Yamamoto, H. (2017-10-11)
      Hi-GAL (Herschel InfraRed Galactic Plane Survey) is a large-scale survey of the Galactic plane, performed with Herschel in five infrared continuum bands between 70 and 500 µm. We present a band-merged catalogue of spatially ...

    • A Hi-GAL study of the high-mass star-forming region G29.96-0.02 

      Beltran, M.T.; Olmi, L.; Cesaroni, R.; Schisano, E.; Elia, D.; Molinari, S.; Di Giorgio, A. M.; Kirk, J.M.; Mottram, J.C.; Pestalozzi, M.; Testi, L.; Thompson, M.A. (2013-04)
      Context. G29.96-0.02 is a high-mass star-forming cloud observed at 70, 160, 250, 350, and 500 $m as part of the Herschel survey of the Galactic plane (Hi-GAL) during the science demonstration phase. Aims: We wish to conduct ...

    • Hi-GAL, the Herschel infrared Galactic Plane Survey : photometric maps and compact source catalogues. First data release for Inner Milky Way: +68°> l > -70° 

      Molinari, S.; Schisano, E.; Elia, D.; Pestalozzi, M.; Traficante, A.; Pezzuto, S.; Swinyard, B. M.; Noriega-Crespo, A.; Bally, J.; Moore, T. J. T.; Plume, R.; Zavagno, A.; Giorgio, A. M. di; Liu, S. J.; Pilbratt, G. L.; Mottram, J. C.; Russeil, D.; Piazzo, L.; Veneziani, M.; Benedettini, M.; Calzoletti, L.; Faustini, F.; Natoli, P.; Piacentini, F.; Merello, M.; Palmese, A.; Grande, R. Del; Polychroni, D.; Rygl, K. L. J.; Polenta, G.; Barlow, M. J.; Bernard, J. -P.; Martin, P. G.; Testi, L.; Ali, B.; Andrè, P.; Beltrán, M. T.; Billot, N.; Brunt, C.; Carey, S.; Cesaroni, R.; Compiègne, M.; Eden, D.; Fukui, Y.; Garcia-Lario, P.; Hoare, M. G.; Huang, M.; Joncas, G.; Lim, T. L.; Lord, S. D.; Martinavarro-Armengol, S.; Motte, F.; Paladini, R.; Paradis, D.; Peretto, N.; Robitaille, T.; Schilke, P.; Schneider, N.; Schulz, B.; Sibthorpe, B.; Strafella, F.; Thompson, M. A.; Umana, G.; Ward-Thompson, D.; Wyrowski, F. (2016-07-04)
      (Abridged) We present the first public release of high-quality data products (DR1) from Hi-GAL, the {\em Herschel} infrared Galactic Plane Survey. Hi-GAL is the keystone of a suite of continuum Galactic Plane surveys from ...

    • Hi-GAL: The Herschel Infrared Galactic Plane Survey 

      Molinari, S.; Swinyard, B.; Bally, J.; Barlow, M.; Bernard, J.P.; Martin, P.; Moore, T.; Noriega-Crespo, A.; Plume, R.; Testi, L.; Zavagno, A.; Abergel, A.; Ali, B.; André, P.; Baluteau, J.-P.; Benedettini, M.; Berné, O.; Billot, N. P.; Blommaert, J.; Bontemps, S.; Boulanger, F.; Brand, J.; Brunt, C.; Burton, M.; Campeggio, L.; Carey, S.; Caselli, P.; Cesaroni, R.; Cernicharo, J.; Chakrabarti, S.; Chrysostomou, A.; Codella, C.; Cohen, M.; Compiegne, M.; Davis, C.J.; de Bernardis, P.; de Gasperis, G.; Di Francesco, J.; Di Giorgio, A. M.; Elia, D.; Faustini, F.; Fischera, J.F.; Fukui, Y.; Fuller, G.A.; Ganga, K.; Garcia-Lario, P.; Giard, M.; Giardino, G.; Glenn, J.; Goldsmith, P.; Griffin, M.; Hoare, M.; Huang, M.; Jiang, B.; Joblin, C.; Joncas, G.; Juvela, M.; Kirk, J.; Lagache, G.; Li, J.Z.; Lim, T.L.; Lord, S.D.; Lucas, P.W.; Maiolo, B.; Marengo, M.; Marshall, D.; Masi, S.; Massi, F.; Matsuura, M.; Meny, C.; Minier, V.; Miville-Deschênes, M.-A.; Montier, L.; Motte, F.; Müller, T.G.; Natoli, P.; Neves, J.; Olmi, L.; Paladini, R.; Paradis, D.; Pestalozzi, M.; Pezzuto, S.; Piacentini, F.; Pomarès, M.; Popescu, C. C.; Reach, W.T.; Richer, J.; Ristorcelli, I.; Roy, A.; Royer, P.; Russeil, D.; Saraceno, P.; Sauvage, M.; Schilke, P.; Schneider-Bontemps, N.; Schuller, F.; Schultz, B.; Shepherd, D.S.; Sibthorpe, B.; Smith, H.A.; Smith, M.D.; Spinoglio, L.; Stamatellos, D.; Strafella, F.; Stringfellow, G.; Sturm, E.; Taylor, R.; Thompson, M.A.; Tuffs, R. J.; Umana, G.; Valenziano, L.; Vavrek, R.; Viti, S.; Waelkens, C.; Ward-Thompson, D.; White, G.; Wyrowski, F.; Yorke, H.W.; Zhang, Q. (2010-03-01)
      Hi-GAL, the Herschel infrared Galactic Plane Survey, is an Open Time Key Project of the Herschel Space Observatory. It will make an unbiased photometric survey of the inner Galactic plane by mapping a 2° wide strip in the ...

    • The impact of SKA on Galactic Radioastronomy: continuum observations 

      Umana, G.; Trigilio, C.; Cerrigone, L.; Cesaroni, R.; Zijlstra, A.~A.; Hoare, M.; Weis, K.; Beasley, A.; Bomans, D.; Hallinan, G.; Molinari, S.; Taylor, R.; Testi, L.; Thompson, M. (2015-04-10)
      The SKA will be a state of the art radiotelescope optimized for both large area surveys as well as for deep pointed observations. In this paper we analyze the impact that the SKA will have on Galactic studies, starting ...

    • Infrared emission of young HII regions: a Herschel/Hi-GAL study 

      Cesaroni, R.; Pestalozzi, M.; Beltrán, M.~T.; Hoare, M.~G.; Molinari, S.; Olmi, L.; Smith, M.~D.; Stringfellow, G.~S.; Testi, L.; Thompson, M.~A. (2015-07-30)
      Context. Investigating the relationship between radio and infrared emission of Hii regions may help shed light on the nature of the ionizing stars and the formation mechanism of early-type stars in general. Aims: We have ...

    • The initial conditions of high-mass star formation : radiative transfer models of IRDCs seen in the Herschel Hi-GAL survey 

      Wilcock, L.A.; Kirk, J.M.; Stamatellos, D.; Ward-Thompson, D.; Whitworth, A.; Battersby, C.; Brunt, C.; Fuller, G.A.; Griffin, M.; Molinari, S.; Martin, P.; Mottram, J.C.; Peretto, N.; Plume, R.; Smith, H.A.; Thompson, M.A. (2011)
      The densest infrared dark clouds (IRDCs) may represent the earliest observable stage of high-mass star formation. These clouds are very cold, hence they emit mainly at far-infrared and sub-mm wavelengths. For the first ...

    • The Initial Conditions of Stellar Protocluster Formation : III. The Herschel counterparts of the Spitzer Dark Cloud catalogue 

      Peretto, N.; Lenfestey, C.; Fuller, G. A.; Traficante, A.; Molinari, S.; Thompson, M. A.; Ward-Thompson, D. (2016-06-01)
      Galactic plane surveys of pristine molecular clouds are key for establishing a Galactic-scale view of the earliest stages of star formation. For this reason Peretto & Fuller (2009) built an unbiased sample of IRDCs in the ...

    • Isolated starless cores in infrared dark clouds in the Hi-GAL survey 

      Wilcock, L.A.; Ward-Thompson, D.; Kirk, J.M.; Stamatellos, D.; Whitworth, A.; Battersby, C.; Elia, D.; Fuller, G.A.; DiGiorgio, A.; Griffin, M.J.; Molinari, S.; Martin, P.; Mottram, J.C.; Peretto, N.; Pestalozzi, M.; Schisano, E.; Smith, H.A.; Thompson, M.A. (2012-07-01)
      In a previous paper, we identified cores within infrared dark clouds. We regarded those without embedded sources as the least evolved and labelled them starless. Here we identify the most isolated starless cores and model ...

    • Molecular gas kinematics within the central 250 pc of the Milky Way 

      Henshaw, J.~D.; Longmore, S.~N.; Kruijssen, J.~M.~D.; Davies, B.; Bally, J.; Barnes, A.; Battersby, C.; Cunningham, M.~R.; Ginsburg, A.; Immer, K.; Jones, P.~A.; Kendrew, S.; Mills, E.~A.~C.; Molinari, S.; Moore, T.~J.~T.; Ott, J.; Pillai, T.; Rathborne, J.; Schilke, P.; Schmiedeke, A.; Testi, L.; Walker, D.; Walsh, A.; Zhang, Q.; Dale, James (2016-02-12)
      Using spectral line observations of HNCO, N2H+, and HNC, we investigate the kinematics of dense gas in the central ∼250 pc of the Galaxy. We present SCOUSE (Semi-automated multi-COmponent Universal Spectral-line fitting ...