Journal article
Rapid turn-on of a luminous X-ray source in the candidate Lyman continuum emitting galaxy Tol 0440-381
Monthly notices of the Royal Astronomical Society. Letters, Vol.511(1), pp.L8-L12
01/09/2022
DOI: 10.1093/mnrasl/slab127
Abstract
Chandra observations of the nearby, candidate Lyman-continuum (LyC) emitting
galaxy Tol 0440-381 show brightening of an X-ray source by at least a factor of
4 to a luminosity of 1.6E40 erg/s over 3.8~days. The X-ray emission likely
arises from either a low-luminosity AGN or an ultraluminous X-ray source. The
properties of the X-ray source are similar to those found in Haro 11 and Tololo
1247-232, the only other LyC-emitting galaxies that have been resolved in
X-rays. All three galaxies host luminous, variable, and hard spectrum X-ray
sources that are likely accretion-powered. Accretion onto compact objects
produces powerful outflows and ionizing radiation that could help enable LyC
escape.
Details
- Title: Subtitle
- Rapid turn-on of a luminous X-ray source in the candidate Lyman continuum emitting galaxy Tol 0440-381
- Creators
- P Kaaret - University of Iowa, Physics and AstronomyJ Bluem - University of IowaA. H Prestwich
- Resource Type
- Journal article
- Publication Details
- Monthly notices of the Royal Astronomical Society. Letters, Vol.511(1), pp.L8-L12
- DOI
- 10.1093/mnrasl/slab127
- ISSN
- 1745-3925
- eISSN
- 1745-3933
- Grant note
- DOI: 10.13039/100000104, name: National Aeronautics and Space Administration, award: NAS8-03060, GO0-21075X; DOI: 10.13039/100006961, name: California Institute of Technology
- Language
- English
- Date published
- 01/09/2022
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984223759202771
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