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The early detection and follow-up of the highly obscured Type II Supernova 2016ija/DLT16am

The early detection and follow-up of the highly obscured Type II Supernova 2016ija/DLT16am
The early detection and follow-up of the highly obscured Type II Supernova 2016ija/DLT16am

We present our analysis of the Type II supernova DLT16am (SN 2016ija). The object was discovered during the ongoing D < 40 Mpc (DLT40) one-day cadence supernova search at r ∼ 20.1 mag in the edge-on nearby (D = 20.0 ± 4.0 Mpc) galaxy NGC 1532. The subsequent prompt and high-cadenced spectroscopic and photometric follow-up revealed a highly extinguished transient, with E(B - V) = 1.95 ±0.15 mag, consistent with a standard extinction law with RV=3.1 and a bright (MV = -18.48 ±0.77 mag) absolute peak magnitude. Acomparison of the photometric features with those of large samples of SNe II reveals a fast rise for the derived luminosity and a relatively short plateau phase, with a slope of S50V = 0.84 ±0.04 mag 50 days, consistent with the photometric properties typical of those of fast-declining SNe II. Despite the large uncertainties on the distance and the extinction in the direction of DLT16am, the measured photospheric expansion velocity and the derived absolute V-band magnitude at ~50 days after the explosion match the existing luminosity-velocity relation for SNe II.

galaxies: individual (NGC 1532), supernovae: general, supernovae: individual (SN 2016ija, DLT16am)
0004-637X
Tartaglia, L.
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Sand, D.J.
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Valenti, S.
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Wyatt, S.
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Anderson, J.P.
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Arcavi, I.
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Ashall, C.
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Botticella, M.T.
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Cartier, R.
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Chen, T.W.
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Cikota, A.
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Coulter, D.
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Valle, M. Della
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Foley, R.J.
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Gal-Yam, A.
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Galbany, L.
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Gall, C.
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Haislip, J.B.
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Harmanen, J.
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Hosseinzadeh, G.
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Howell, D.A.
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Hsiao, E.Y.
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Inserra, C.
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Jha, S.W.
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Kankare, E.
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Kilpatrick, C.D.
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Kouprianov, V.V.
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Kuncarayakti, H.
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Maccarone, T.J.
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Maguire, K.
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Mattila, S.
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Mazzali, P.A.
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McCully, C.
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Melandri, A.
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Morrell, N.
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Phillips, M.M.
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Pignata, G.
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Piro, A.L.
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Prentice, S.
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Reichart, D.E.
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Rojas-Bravo, C.
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Smartt, S.J.
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Smith, K.W.
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Sollerman, J.
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Stritzinger, M.D.
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Sullivan, M.
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Taddia, F.
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Young, D.R.
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Tartaglia, L.
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Sand, D.J.
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Valenti, S.
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Wyatt, S.
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Anderson, J.P.
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Arcavi, I.
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Ashall, C.
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Botticella, M.T.
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Cartier, R.
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Chen, T.W.
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Cikota, A.
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Coulter, D.
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Valle, M. Della
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Foley, R.J.
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Gal-Yam, A.
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Galbany, L.
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Gall, C.
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Haislip, J.B.
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Harmanen, J.
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Hosseinzadeh, G.
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Howell, D.A.
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Hsiao, E.Y.
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Inserra, C.
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Jha, S.W.
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Kankare, E.
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Kilpatrick, C.D.
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Kouprianov, V.V.
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Kuncarayakti, H.
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Maccarone, T.J.
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Maguire, K.
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Mattila, S.
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Mazzali, P.A.
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McCully, C.
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Melandri, A.
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Morrell, N.
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Phillips, M.M.
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Pignata, G.
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Piro, A.L.
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Prentice, S.
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Reichart, D.E.
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Rojas-Bravo, C.
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Smartt, S.J.
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Smith, K.W.
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Sollerman, J.
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Stritzinger, M.D.
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Sullivan, M.
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Taddia, F.
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Young, D.R.
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Tartaglia, L., Sand, D.J., Valenti, S., Wyatt, S., Anderson, J.P., Arcavi, I., Ashall, C., Botticella, M.T., Cartier, R., Chen, T.W., Cikota, A., Coulter, D., Valle, M. Della, Foley, R.J., Gal-Yam, A., Galbany, L., Gall, C., Haislip, J.B., Harmanen, J., Hosseinzadeh, G., Howell, D.A., Hsiao, E.Y., Inserra, C., Jha, S.W., Kankare, E., Kilpatrick, C.D., Kouprianov, V.V., Kuncarayakti, H., Maccarone, T.J., Maguire, K., Mattila, S., Mazzali, P.A., McCully, C., Melandri, A., Morrell, N., Phillips, M.M., Pignata, G., Piro, A.L., Prentice, S., Reichart, D.E., Rojas-Bravo, C., Smartt, S.J., Smith, K.W., Sollerman, J., Stritzinger, M.D., Sullivan, M., Taddia, F. and Young, D.R. (2018) The early detection and follow-up of the highly obscured Type II Supernova 2016ija/DLT16am. The Astrophysical Journal, 853 (1). (doi:10.3847/1538-4357/aaa014).

Record type: Article

Abstract

We present our analysis of the Type II supernova DLT16am (SN 2016ija). The object was discovered during the ongoing D < 40 Mpc (DLT40) one-day cadence supernova search at r ∼ 20.1 mag in the edge-on nearby (D = 20.0 ± 4.0 Mpc) galaxy NGC 1532. The subsequent prompt and high-cadenced spectroscopic and photometric follow-up revealed a highly extinguished transient, with E(B - V) = 1.95 ±0.15 mag, consistent with a standard extinction law with RV=3.1 and a bright (MV = -18.48 ±0.77 mag) absolute peak magnitude. Acomparison of the photometric features with those of large samples of SNe II reveals a fast rise for the derived luminosity and a relatively short plateau phase, with a slope of S50V = 0.84 ±0.04 mag 50 days, consistent with the photometric properties typical of those of fast-declining SNe II. Despite the large uncertainties on the distance and the extinction in the direction of DLT16am, the measured photospheric expansion velocity and the derived absolute V-band magnitude at ~50 days after the explosion match the existing luminosity-velocity relation for SNe II.

Full text not available from this repository.

More information

Accepted/In Press date: 5 December 2017
e-pub ahead of print date: 23 January 2018
Published date: 23 January 2018
Keywords: galaxies: individual (NGC 1532), supernovae: general, supernovae: individual (SN 2016ija, DLT16am)

Identifiers

Local EPrints ID: 420161
URI: https://eprints.soton.ac.uk/id/eprint/420161
ISSN: 0004-637X
PURE UUID: dbd0c9c2-ec69-4371-af9a-2d4aea2a8a83
ORCID for C. Inserra: ORCID iD orcid.org/0000-0002-3968-4409
ORCID for M. Sullivan: ORCID iD orcid.org/0000-0001-9053-4820

Catalogue record

Date deposited: 27 Apr 2018 16:30
Last modified: 20 Jul 2019 00:40

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Contributors

Author: L. Tartaglia
Author: D.J. Sand
Author: S. Valenti
Author: S. Wyatt
Author: J.P. Anderson
Author: I. Arcavi
Author: C. Ashall
Author: M.T. Botticella
Author: R. Cartier
Author: T.W. Chen
Author: A. Cikota
Author: D. Coulter
Author: M. Della Valle
Author: R.J. Foley
Author: A. Gal-Yam
Author: L. Galbany
Author: C. Gall
Author: J.B. Haislip
Author: J. Harmanen
Author: G. Hosseinzadeh
Author: D.A. Howell
Author: E.Y. Hsiao
Author: C. Inserra ORCID iD
Author: S.W. Jha
Author: E. Kankare
Author: C.D. Kilpatrick
Author: V.V. Kouprianov
Author: H. Kuncarayakti
Author: T.J. Maccarone
Author: K. Maguire
Author: S. Mattila
Author: P.A. Mazzali
Author: C. McCully
Author: A. Melandri
Author: N. Morrell
Author: M.M. Phillips
Author: G. Pignata
Author: A.L. Piro
Author: S. Prentice
Author: D.E. Reichart
Author: C. Rojas-Bravo
Author: S.J. Smartt
Author: K.W. Smith
Author: J. Sollerman
Author: M.D. Stritzinger
Author: M. Sullivan ORCID iD
Author: F. Taddia
Author: D.R. Young

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