Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 436, Issue 1, Pages L109-L113Publisher
OXFORD UNIV PRESS
DOI: 10.1093/mnrasl/slt124
Keywords
binaries: general; stars: evolution; supernovae: general; supernovae: individual: SN 2013dk; galaxies: individual: NGC 4038
Categories
Funding
- MICINN [AYA2011-24704/ESP]
- ESF EUROCORES Programme EuroGENESIS (MICINN) [EUI2009-04170]
- SGR grants of the Generalitat de Catalunya
- EU-FEDER funds
- Royal Society University Research Fellowship
- PRIN-INAF
- European Research Council under the European Union [291222]
- Millennium Center for Supernova Science [P10-064-F]
- Fondo de Innovacion para la Competitividad, del Ministerio de Economia, Fomento y Turismo de Chile
- proyecto Gemini-Conicyt [32110024]
- proyecto interno UNAB [DI-303-13/R]
- NASA
- Science and Technology Facilities Council [ST/I001123/1] Funding Source: researchfish
- STFC [ST/I001123/1] Funding Source: UKRI
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We report the results of our search for the progenitor candidate of SN 2013dk, a Type Ic supernova (SN) that exploded in the Antennae galaxy system. We compare pre-explosion Hubble Space Telescope (HST) archival images with SN images obtained using adaptive optics at the ESO Very Large Telescope. We isolate the SN position to within 3 sigma uncertainty radius of 0.02 arcsec and show that there is no detectable point source in any of the HST filter images within the error circle. We set an upper limit to the absolute magnitude of the progenitor to be M-F555W greater than or similar to -5.7, which does not allow Wolf-Rayet (WR) star progenitors to be ruled out. A bright source appears 0.17 arcsec away, which is either a single bright supergiant or compact cluster, given its absolute magnitude of MF555W = -9.02 +/- 0.28 extended wings and complex environment. However, even if this is a cluster, the spatial displacement of SN 2013dk means that its membership is not assured. The strongest statement that we can make is that in the immediate environment of SN 2013dk (within 10 pc or so), we find no clear evidence of either a point source coincident with the SN or a young stellar cluster that could host a massive WR progenitor.
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