Near Infrared Counterpart of 2E 1613.5-5053, the Central Source in Supernova Remnant RCW 103

Abstract

On 2016 June 22, 2E 1613.5-5053, the puzzling central compact object in supernova remnant RCW 103, emitted a magnetar-like burst. Using Director's Discretionary Time, we observed 2E 1613.5-5053 with the Hubble Space Telescope (WFC3/IR) and we report here on the detection of a previously unseen infrared counterpart. In observations taken on 2016 July 4 and August 11, we detect a new source ($m_{F110W}=26.3$ AB mag and $m_{F160W}=24.2$ AB mag) at the Chandra position of 2E 1613.5-5053 which was not detected in HST/NICMOS images from 2002 August 15 and October 8 to a depth of 24.5 AB mag (F110W) and 25.5 AB mag (F160W). We show that these deep IR observations rule out the possibility of an accreting binary but mimic IR emission properties of magnetars and isolated neutron stars. The presence or absence of a low-mass fallback disk cannot be confirmed from our observations.

7 pages, 3 figures. Submitted to ApJ

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Cited by in corpus (12)

• Periodicity in recurrent fast radio bursts and the origin of ultra long period magnetars
• Central Compact Objects in Supernova Remnants
• XRBcats: Galactic Low Mass X-ray Binary Catalogue
• Magnetars: a short review and some sparse considerations
• Evidence for an abundant old population of Galactic ultra long period magnetars and implications for fast radio bursts
• The emission of interpulses by a 6.45-hour period coherent radio transient
• Progenitors and Explosion Properties of Supernova Remnants Hosting Central Compact Objects: I. RCW 103 Associated with the Peculiar Source 1E 161348-5055
• Identification of the infrared counterpart of SGR 1935+2154 with the Hubble Space Telescope
• Gazing at the ultra-slow magnetar in RCW 103 with NuSTAR and Swift
• On the fallback disk around the slowest isolated pulsar, 1E 161348$-$5055
• Long X-ray flares from the central source in RCW 103
• Unifying neutron star sub-populations in the supernova fallback accretion model