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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/28622
Title: Gazing at the ultraslow magnetar in RCW 103 with NuSTAR and Swift
Authors: Borghese, A.
Coti Zelati, F.
Esposito, P.
Rea, N.
DE LUCA, Andrea 
BACHETTI, Matteo 
ISRAEL, Gian Luca 
Perna, R.
Pons, J. A.
Issue Date: 2018
Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 
Number: 478
Issue: 1
First Page: 741
Abstract: We report on a new NuSTAR observation and on the ongoing Swift X-Ray Telescope monitoring campaign of the peculiar source 1E 161348-5055, located at the centre of the supernova remnant RCW 103, which is recovering from its last outburst in 2016 June. The X-ray spectrum at the epoch of the NuSTAR observation can be described by either two absorbed blackbodies (kT_BB_1 ∼ 0.5 keV, kT_BB_2 ∼ 1.2 keV) or an absorbed blackbody plus a power law (kT_BB_1 ∼ 0.6 keV, Γ ∼ 3.9). The observed flux was ∼9 × 10<SUP>-12</SUP> erg s<SUP>-1</SUP> cm<SUP>-2</SUP>, ∼3 times lower than what observed at the outburst onset, but about one order of magnitude higher than the historical quiescent level. A periodic modulation was detected at the known 6.67 h periodicity. The spectral decomposition and evolution along the outburst decay are consistent with 1E 161348-5055 being a magnetar, the slowest ever detected.
URI: http://hdl.handle.net/20.500.12386/28622
URL: https://academic.oup.com/mnras/article/478/1/741/4990953
ISSN: 0035-8711
DOI: 10.1093/mnras/sty1119
Bibcode ADS: 2018MNRAS.478..741B
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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