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  GRB 171010A/SN 2017htp: a GRB-SN at z = 0.33

Melandri, A., Malesani, D. B., Izzo, L., Japelj, J., Vergani, S., Schady, P., et al. (2019). GRB 171010A/SN 2017htp: a GRB-SN at z = 0.33. Monthly Notices of the Royal Astronomical Society, 490(4), 5366-5374. doi:10.1093/mnras/stz2900.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-90D0-C Version Permalink: http://hdl.handle.net/21.11116/0000-0005-90D1-B
Genre: Journal Article

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 Creators:
Melandri, A., Author
Malesani, D. B., Author
Izzo, L., Author
Japelj, J., Author
Vergani, S.D., Author
Schady, P.1, Author              
Carracedo, A. Sagues, Author
de Postigo, A. Ugarte, Author
Anderson, J.P., Author
Barbarino, C., Author
Bolmer, J., Author
Breeveld, A., Author
Calissendorff, P., Author
Campana, S., Author
Cano, Z., Author
Carini, R., Author
Covino, S., Author
D'Avanzo, P., Author
D'Elia, V., Author
Valle, M. della, Author
Pasquale, M. De, AuthorFynbo, J.P.U., AuthorGromadzki, M., AuthorHammer, F., AuthorHartmann, D.H., AuthorHeintz, K.E., AuthorInserra, C., AuthorJakobsson, P., AuthorKann, D.A., AuthorKotilainen, J., AuthorMaguire, K., AuthorMasetti, N., AuthorNicholl, M., AuthorE., F. Olivares, AuthorPugliese, G., AuthorRossi, A., AuthorSalvaterra, R., AuthorSollerman, J., AuthorStone, M.B., AuthorTagliaferri, G., AuthorTomasella, L., AuthorThone, C.C., AuthorXu, D., AuthorYoung, D.R., Author more..
Affiliations:
1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Abstract: The number of supernovae known to be connected with long-duration gamma-ray bursts (GRBs) is increasing and the link between these events is no longer exclusively found at low redshift (z ≲ 0.3) but is well established also at larger distances. We present a new case of such a liaison at z = 0.33 between GRB 171010A and SN 2017htp. It is the second closest GRB with an associated supernova of only three events detected by Fermi-LAT. The supernova is one of the few higher redshift cases where spectroscopic observations were possible and shows spectral similarities with the well-studied SN 1998bw, having produced a similar Ni mass (⁠MNi=0.33±0.02 M⁠) with slightly lower ejected mass (⁠Mej=4.1±0.7 M⊙⁠) and kinetic energy (⁠EK=8.1±2.5×1051 erg⁠). The host-galaxy is bigger in size than typical GRB host galaxies, but the analysis of the region hosting the GRB revealed spectral properties typically observed in GRB hosts and showed that the progenitor of this event was located in a very bright H ii region of its face-on host galaxy, at a projected distance of ∼ 10 kpc from its galactic centre. The star-formation rate (SFRGRB ∼ 0.2 M yr−1) and metallicity (12 + log(O/H) ∼8.15 ± 0.10) of the GRB star-forming region are consistent with those of the host galaxies of previously studied GRB–SN systems.

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 Dates: 2019-10-16
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1093/mnras/stz2900
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Title: Monthly Notices of the Royal Astronomical Society
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Source Genre: Journal
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Publ. Info: OXFORD : OXFORD UNIV PRESS
Pages: - Volume / Issue: 490 (4) Sequence Number: - Start / End Page: 5366 - 5374 Identifier: ISSN: 0035-8711
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000021470