Results 21 to 30 of about 280,504 (183)

B-fields and Dust in Interstellar Filaments Using Dust Polarization (BALLAD-POL). IV. Grain Alignment Mechanisms in the Cocoon Nebula (IC 5146) Using Polarization Observations from JCMT/POL-2

The Astrophysical Journal
The polarization of starlight and thermal dust emission from aligned nonspherical grains provides a powerful tool for tracing magnetic field morphologies and strengths in the diffuse interstellar medium to star-forming regions, and constraining the ...
Saikhom Pravash, Thiem Hoang, Archana Soam, Eun Jung Chung, Diep Ngoc Pham, Nguyen Bich Ngoc, Le Ngoc Tram   +6 more
doaj   +2 more sources

Characterizing interstellar filaments with Herschel in IC 5146 {Letter] [PDF]

, 2011
We provide a first look at the results of the Herschel Gould Belt survey toward the IC 5146 molecular cloud and present a preliminary analysis of the filamentary structure in this region.
D. Arzoumanian, P. Andre', P. Didelon, V. Könyves, N. Schneider, A. Men’shchikov, T. Sousbie, A. Zavagno, S. Bontemps, J. Francesco, M. Griffin, M. Hennemann, T. Hill, J. Kirk, P. Martin, V. Minier, S. Molinari, F. Motte, N. Peretto, S. Pezzuto, L. Spinoglio, D. Ward-Thompson, G. White, C. Wilson   +23 more
semanticscholar   +3 more sources

Planck intermediate results: XXXIII. Signature of the magnetic field geometry of interstellar filaments in dust polarization maps [PDF]

, 2016
Planck observations at 353 GHz provide the first fully sampled maps of the polarized dust emission towards interstellar filaments and their backgrounds (i.e., the emission observed in the surroundings of the filaments). The data allow us to determine the
P. Ade, N. Aghanim, M. Alves, M. Arnaud, D. Arzoumanian, J. Aumont, C. Baccigalupi, A. Banday, R. B. Barreiro, N. Bartolo, E. Battaner, K. Benabed, A. Benoit-Lévy, J. Bernard, O. Bern'e, M. Bersanelli, P. Bielewicz, A. Bonaldi, L. Bonavera, J. Bond, J. Borrill, F. Bouchet, F. Boulanger, A. Bracco, C. Burigana, E. Calabrese, J. Cardoso, A. Catalano, A. Chamballu, H. Chiang, P. Christensen, D. Clements, S. Colombi, C. Combet, F. Couchot, B. Crill, A. Curto, F. Cuttaia, L. Danese, R. Davies, R. Davis, P. Bernardis, A. Rosa, G. Zotti, J. Delabrouille, C. Dickinson, J. Diego, S. Donzelli, O. Dor'e, M. Douspis, A. Ducout, X. Dupac, F. Elsner, T. Ensslin, H. Eriksen, E. Falgarone, K. Ferrière, O. Forni, M. Frailis, A. Fraisse, E. Franceschi, A. Frejsel, S. Galeotta, S. Galli, K. Ganga, T. Ghosh, M. Giard, Y. Giraud-H'eraud, E. Gjerløw, J. Gonz'alez-Nuevo, A. Gregorio, A. Gruppuso, V. Guillet, F. Hansen, D. Hanson, D. Harrison, C. Hern'andez-Monteagudo, D. Herranz, S. Hildebrandt, E. Hivon, M. Hobson, W. Holmes, K. Huffenberger, G. Hurier, A. Jaffe, T. Jaffe, W. Jones, M. Juvela, R. Keskitalo, T. Kisner, J. Knoche, M. Kunz, H. Kurki-Suonio, G. Lagache, J. Lamarre, A. Lasenby, C. Lawrence, R. Leonardi, F. Levrier, M. Liguori, P. Lilje, M. Linden-Vørnle, M. L'opez-Caniego, P. Lubin, J. Mac'ias-P'erez, B. Maffei, N. Mandolesi, A. Mangilli, M. Maris, P. Martin, E. Martínez-González, S. Masi, S. Matarrese, P. Mazzotta, A. Melchiorri, L. Mendes, A. Mennella, M. Migliaccio, S. Mitra, M. Miville-Deschênes, A. Moneti, L. Montier, G. Morgante, D. Mortlock, D. Munshi, J. Murphy, P. Naselsky, F. Nati, P. Natoli, H. Nørgaard-Nielsen, F. Noviello, D. Novikov, I. Novikov, N. Oppermann, L. Pagano, F. Pajot, R. Paladini, D. Paoletti, F. Pasian, F. Perrotta, V. Pettorino, F. Piacentini, M. Piat, E. Pierpaoli, D. Pietrobon, S. Plaszczynski, E. Pointecouteau, G. Polenta, G. Pratt, J. Puget, J. Rachen, R. Rebolo, M. Reinecke, M. Remazeilles, C. Renault, A. Renzi, S. Ricciardi, I. Ristorcelli, G. Rocha, C. Rosset, M. Rossetti, G. Roudier, J. Rubino-Mart'in, B. Rusholme, M. Sandri, M. Savelainen, G. Savini, D. Scott, J. Soler, V. Stolyarov, D. Sutton, A.-S. Suur-Uski, J. Sygnet, J. Tauber, L. Terenzi, L. Toffolatti, M. Tomasi, M. Tristram, M. Tucci, L. Valenziano, J. Valiviita, B. Tent, P. Vielva, F. Villa, L. Wade, B. Wandelt, D. Yvon, A. Zacchei, A. Zonca   +188 more
semanticscholar   +4 more sources

B-fields and Dust in Interstellar Filaments Using Dust Polarization (BALLAD-POL). I. The Massive Filament G11.11–0.12 Observed by SOFIA/HAWC+ [PDF]

Astrophysical Journal, 2023
We report the first measurement of polarized thermal dust emission toward the entire infrared dark cloud G11.11−0.12 taken by the polarimeter SOFIA/HAWC+ at 214 μm.
N. B. Ngoc, P. Diep, Thiem Hoang, L. N. Tram, Nguyen Chau Giang, Ngân Lê, T. Hoang, N. T. Phuong, N. M. Khang, Dieu D. Nguyen, Bao Truong   +10 more
semanticscholar   +1 more source

A systematic bias in fitting the surface-density profiles of interstellar filaments [PDF]

Monthly notices of the Royal Astronomical Society, 2021
The surface-density profiles (SDPs) of dense filaments, in particular those traced by dust emission, appear to be well fit with Plummer profiles, i.e. Σ(b) = ΣB + ΣO{1 + [b/wO]2}[1 − p]/2. Here, $\, \Sigma _{{\rm B}}$ is the background surface density;
A. Whitworth, F. Priestley, Doris Arzoumanian Cardiff University, Aix-Marseille University   +3 more
semanticscholar   +1 more source

Galactic star formation with NIKA2 (GASTON): Filament convergence and its link to star formation [PDF]

EPJ Web of Conferences, 2022
In the past decade filaments have been recognised as a major structural element of the interstellar medium, the densest of these filaments hosting the formation of most stars.
Peretto N., Adam R., Ade P., Ajeddig H., André P., Artis E., Aussel H., Bacmann A., Beelen A., Benoît A., Berta S., Bing L., Bourrion O., Calvo M., Catalano A., De Petris M., Désert F.-X., Doyle S., Driessen E. F. C., Gomez A., Goupy J., Kéruzoré F., Kramer C., Ladjelate B., Lagache G., Leclercq S., Lestrade J.-F., Macías-Pérez J.-F., Maury A., Mauskopf P., Mayet F., Monfardini A., Muñoz-Echeverría M., Perotto L., Pisano G., Ponthieu N., Revéret V., Rigby A., Ristorcelli I., Ritacco A., Romero C., Roussel H., Ruppin F., Schuster K., Shu S., Sievers A., Tucker C., Zylka R.   +47 more
doaj   +1 more source

On the 3D Curvature and Dynamics of the Musca Filament

The Astrophysical Journal, 2023
Filaments are ubiquitous in the interstellar medium, yet their formation and evolution remain the topic of intense debate. In order to obtain a more comprehensive view of the 3D morphology and evolution of the Musca filament, we model the C ^18 O(2-1 ...
Aidan Kaminsky, Lars Bonne, Doris Arzoumanian, Simon Coudé   +3 more
doaj   +1 more source

Mapping the Multiphase Structure of H i in the Low-latitude Intermediate-velocity Arch 1

The Astrophysical Journal, 2023
We have analyzed the thermal and turbulent properties of the low-latitude intermediate-velocity Arch 1 (LLIV1). This was accomplished using archival H i emission and absorption data from two 21 cm line surveys: GHIGLS at 9.′4 resolution and DHIGLS at $1^{
Luka Vujeva, Antoine Marchal, Peter G. Martin, Mukesh Taank   +3 more
doaj   +1 more source

RadFil: A Python Package for Building and Fitting Radial Profiles for Interstellar Filaments [PDF]

Astrophysical Journal, 2018
We present RadFil, a publicly available Python package that gives users full control over how to build and fit radial profiles for interstellar filaments.
C. Zucker, H. Chen
semanticscholar   +1 more source

Interstellar filaments and star formation [PDF]

, 2017
Recent studies of the nearest star-forming clouds of the Galaxy at submillimeter wavelengths with the Herschel Space Observatory have provided us with unprecedented images of the initial conditions and early phases of the star formation process.
P. Andr'e
semanticscholar   +1 more source