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Planck intermediate results XXXI. Microwave survey of Galactic supernova remnants

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Title: Planck intermediate results XXXI. Microwave survey of Galactic supernova remnants
Authors: Arnaud, M
Ashdown, M
Atrio-Barandela, F
Aumont, J
Baccigalupi, C
Banday, AJ
Barreiro, RB
Battaner, E
Benabed, K
Benoit-Levy, A
Bernard, J-P
Bersanelli, M
Bielewicz, P
Bobin, J
Bond, JR
Borrill, J
Bouchet, FR
Brogan, CL
Burigana, C
Cardoso, J-F
Catalano, A
Chamballu, A
Chiang, HC
Christensen, PR
Colombi, S
Colombo, LPL
Crill, BP
Curto, A
Cuttaia, F
Davies, RD
Davis, RJ
De Bernardis, P
De Rosa, A
De Zotti, G
Delabrouille, J
Desert, F-X
Dickinson, C
Diego, JM
Donzelli, S
Dore, O
Dupac, X
Ensslin, TA
Eriksen, HK
Finelli, F
Forni, O
Frailis, M
Fraisse, AA
Franceschi, E
Galeotta, S
Ganga, K
Giard, M
Giraud-Heraud, Y
Gonzalez-Nuevo, J
Gorski, KM
Gregorio, A
Gruppuso, A
Hansen, FK
Harrison, DL
Hernandez-Monteagudo, C
Herranz, D
Hildebrandt, SR
Hobson, M
Holmes, WA
Huffenberger, KM
Jaffe, AH
Jaffe, TR
Keihaenen, E
Keskitalo, R
Kisner, TS
Kneissl, R
Knoche, J
Kunz, M
Kurki-Suonio, H
Lahteenmaki, A
Lamarre, J-M
Lasenby, A
Lawrence, CR
Leonardi, R
Liguori, M
Lilje, PB
Linden-Vornle, M
Lopez-Caniego, M
Lubin, PM
Maino, D
Maris, M
Marshall, DJ
Martin, PG
Martinez-Gonzalez, E
Masi, S
Matarrese, S
Mazzotta, P
Melchiorri, A
Mendes, L
Mennella, A
Migliaccio, M
Miville-Deschenes, M-A
Moneti, A
Montier, L
Morgante, G
Mortlock, D
Munshi, D
Murphy, JA
Naselsky, P
Nati, F
Noviello, E
Novikov, D
Novikov, I
Oppermann, N
Oxborrow, CA
Pagano, L
Pajot, F
Paladini, R
Pasian, F
Peel, M
Perdereau, O
Perrotta, F
Piacentini, F
Piat, M
Pietrobon, D
Plaszczynski, S
Pointecouteau, E
Polenta, G
Popa, L
Pratt, GW
Puget, J-L
Rachen, JP
Reach, WT
Reich, W
Reinecke, M
Remazeilles, M
Renault, C
Rho, J
Ricciardi, S
Riller, T
Ristorcelli, I
Rocha, G
Rosset, C
Roudier, G
Rusholme, B
Sandri, M
Savini, G
Scott, D
Stolyarov, V
Sutton, D
Suur-Uski, A-S
Sygnet, J-F
Tauber, JA
Terenzi, L
Toffolatti, L
Tomasi, M
Tristram, M
Tucci, M
Umana, G
Valenziano, L
Valiviita, J
Van Tent, B
Vielva, P
Villa, F
Wade, LA
Yvon, D
Zacchei, A
Zonca, A
Item Type: Journal Article
Abstract: The all-sky Planck survey in 9 frequency bands was used to search for emission from all 274 known Galactic supernova remnants. Of these, 16 were detected in at least two Planck frequencies. The radio-through-microwave spectral energy distributions were compiled to determine the mechanism for microwave emission. In only one case, IC 443, is there high-frequency emission clearly from dust associated with the supernova remnant. In all cases, the low-frequency emission is from synchrotron radiation. As predicted for a population of relativistic particles with energy distribution that extends continuously to high energies, a single power law is evident for many sources, including the Crab and PKS 1209-51/52. A decrease in flux density relative to the extrapolation of radio emission is evident in several sources. Their spectral energy distributions can be approximated as broken power laws, Sν ∝ ν−α, with the spectral index, α, increasing by 0.5–1 above a break frequency in the range 10–60 GHz. The break could be due to synchrotron losses.
Issue Date: 9-Feb-2016
Date of Acceptance: 24-Nov-2015
URI: http://hdl.handle.net/10044/1/44007
DOI: http://dx.doi.org/10.1051/0004-6361/201425022
ISSN: 1432-0746
Publisher: EDP Sciences
Journal / Book Title: Astronomy & Astrophysics
Volume: 586
Copyright Statement: © 2016 ESO
Sponsor/Funder: Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Funder's Grant Number: ST/H001239/1
ST/J001368/1
ST/K001051/1
ST/K004131/1
ST/N001206/1
Keywords: Science & Technology
Physical Sciences
Astronomy & Astrophysics
ISM: supernova remnants
cosmic rays
radio continuum: ISM
WMAP OBSERVATIONS
FLUX-DENSITY
CYGNUS LOOP
CM OBSERVATIONS
RADIO-EMISSION
IA SUPERNOVA
FERMI-LAT
32 GHZ
X-RAY
CATALOG
astro-ph.GA
astro-ph.GA
Astronomy & Astrophysics
0201 Astronomical And Space Sciences
Publication Status: Published
Article Number: ARTN A134
Appears in Collections:Physics
Astrophysics
Faculty of Natural Sciences



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