We have observed the supernova remnant 3C 396 in the microwave region using the Parkes 64-m telescope. Observations have been made at 8.4 GHz, 13.5 GHz, and 18.6 GHz and in polarisation at 21.5 GHz. We have used data from several other observatories, including previously unpublished observations performed by the Green Bank Telescope at 31.2 GHz, to investigate the nature of the microwave emission of 3C 396. Results show a spectral energy distribution dominated by a single component power law emission with α = (−0.364 ± 0.017). Data do not favour the presence of anomalous microwave emission coming from the source. Polarised emission at 21.5 GHz is consistent with synchrotron-dominated emission. We present microwave maps and correlate them with infrared (IR) maps in order to characterise the interplay between thermal dust and microwave emission. IR vs. microwave TT plots reveal poor correlation between mid-infrared and microwave emission from the core of the source. On the other hand, a correlation is detected in the tail emission of the outer shell of 3C 396, which could be ascribed to Galactic contamination.

Detailed study of the microwave emission of the supernova remnant 3C 396 / Cruciani, Angelo; Battistelli, Elia Stefano; Carretti, E.; DE BERNARDIS, Paolo; Genova Santos, R.; Masi, Silvia; Mason, B.; Perera, D.; Piacentini, Francesco; Reach, B.; Rubino Martin, J. A.. - In: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. - ISSN 0035-8711. - STAMPA. - 459:4(2016), pp. 4224-4232. [10.1093/mnras/stw839]

Detailed study of the microwave emission of the supernova remnant 3C 396

CRUCIANI, ANGELO;BATTISTELLI, Elia Stefano;DE BERNARDIS, Paolo;MASI, Silvia;PIACENTINI, Francesco;
2016

Abstract

We have observed the supernova remnant 3C 396 in the microwave region using the Parkes 64-m telescope. Observations have been made at 8.4 GHz, 13.5 GHz, and 18.6 GHz and in polarisation at 21.5 GHz. We have used data from several other observatories, including previously unpublished observations performed by the Green Bank Telescope at 31.2 GHz, to investigate the nature of the microwave emission of 3C 396. Results show a spectral energy distribution dominated by a single component power law emission with α = (−0.364 ± 0.017). Data do not favour the presence of anomalous microwave emission coming from the source. Polarised emission at 21.5 GHz is consistent with synchrotron-dominated emission. We present microwave maps and correlate them with infrared (IR) maps in order to characterise the interplay between thermal dust and microwave emission. IR vs. microwave TT plots reveal poor correlation between mid-infrared and microwave emission from the core of the source. On the other hand, a correlation is detected in the tail emission of the outer shell of 3C 396, which could be ascribed to Galactic contamination.
2016
ISM: individual objects: 3C 396; ISM: supernova remnants; radio continuum: ISM; Astronomy and Astrophysics; Space and Planetary Science
01 Pubblicazione su rivista::01a Articolo in rivista
Detailed study of the microwave emission of the supernova remnant 3C 396 / Cruciani, Angelo; Battistelli, Elia Stefano; Carretti, E.; DE BERNARDIS, Paolo; Genova Santos, R.; Masi, Silvia; Mason, B.; Perera, D.; Piacentini, Francesco; Reach, B.; Rubino Martin, J. A.. - In: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. - ISSN 0035-8711. - STAMPA. - 459:4(2016), pp. 4224-4232. [10.1093/mnras/stw839]
File allegati a questo prodotto
File Dimensione Formato  
DeBernardis_Microwave-emission.pdf

accesso aperto

Tipologia: Versione editoriale (versione pubblicata con il layout dell'editore)
Licenza: Tutti i diritti riservati (All rights reserved)
Dimensione 8.63 MB
Formato Adobe PDF
8.63 MB Adobe PDF

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/873270
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 14
  • ???jsp.display-item.citation.isi??? 14
social impact