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DES16C3cje : A low-luminosity, long-lived supernova
- Gutierrez, C. P. (author)
- Sullivan, M. (author)
- Martinez, L. (author)
- show more...
- Bersten, M. C. (author)
- Inserra, C. (author)
- Smith, M. (author)
- Anderson, J. P. (author)
- Pan, Y.-C. (author)
- Pastorello, A. (author)
- Galbany, L. (author)
- Nugent, P. (author)
- Angus, C. R. (author)
- Carollo, D. (author)
- Chen, T.-W. (author)
- Davis, T. M. (author)
- Della Valle, M. (author)
- Foley, R. J. (author)
- Fraser, M. (author)
- Frohmaier, C. (author)
- Gonzalez-Gaitan, S. (author)
- Gromadzki, M. (author)
- Kankare, E. (author)
- Kokotanekova, R. (author)
- Kollmeier, J. (author)
- Lewis, G. F. (author)
- Magee, M. R. (author)
- Maguire, K. (author)
- Moller, A. (author)
- Morrell, N. (author)
- Nicholl, M. (author)
- Pursiainen, M. (author)
- Sommer, N. E. (author)
- Swann, E. (author)
- Tucker, B. E. (author)
- Wiseman, P. (author)
- Aguena, M. (author)
- Allam, S. (author)
- Avila, S. (author)
- Bertin, E. (author)
- Brooks, D. (author)
- Buckley-Geer, E. (author)
- Burke, D. L. (author)
- Rosell, A. Carnero (author)
- Kind, M. Carrasco (author)
- Carretero, J. (author)
- Costanzi, M. (author)
- da Costa, L. N. (author)
- De Vicente, J. (author)
- Desai, S. (author)
- Diehl, H. T. (author)
- Doel, P. (author)
- Eifler, T. F. (author)
- Flaugher, B. (author)
- Fosalba, P. (author)
- Frieman, J. (author)
- Garcia-Bellido, J. (author)
- Gerdes, D. W. (author)
- Gruen, D. (author)
- Gruendl, R. A. (author)
- Gschwend, J. (author)
- Gutierrez, G. (author)
- Hinton, S. R. (author)
- Hollowood, D. L. (author)
- Honscheid, K. (author)
- James, D. J. (author)
- Kuehn, K. (author)
- Kuropatkin, N. (author)
- Lahav, O. (author)
- Lima, M. (author)
- Maia, M. A. G. (author)
- March, M. (author)
- Menanteau, F. (author)
- Miquel, R. (author)
- Morganson, E. (author)
- Palmese, A. (author)
- Paz-Chinchon, F. (author)
- Plazas, A. A. (author)
- Sako, M. (author)
- Sanchez, E. (author)
- Scarpine, V. (author)
- Schubnell, M. (author)
- Serrano, S. (author)
- Sevilla-Noarbe, I. (author)
- Soares-Santos, M. (author)
- Suchyta, E. (author)
- Swanson, M. E. C. (author)
- Tarle, G. (author)
- Thomas, D. (author)
- Varga, T. N. (author)
- Walker, A. R. (author)
- Wilkinson, R. (author)
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- (creator_code:org_t)
- 2020-05-25
- 2020
- English.
- In: Monthly notices of the Royal Astronomical Society. - : Oxford University Press (OUP). - 0035-8711 .- 1365-2966. ; 496:1, s. 95-110
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- We present DES16C3cje, a low-luminosity, long-lived type II supernova (SN II) at redshift 0.0618, detected by the Dark Energy Survey (DES). DES16C3cje is a unique SN. The spectra are characterized by extremely narrow photospheric lines corresponding to very low expansion velocities of less than or similar to 1500 km s(-1), and the light curve shows an initial peak that fades after 50 d before slowly rebrightening over a further 100 d to reach an absolute brightness of M-r similar to 15.5 mag. The decline rate of the late-time light curve is then slower than that expected from the powering by radioactive decay of Co-56, but is comparable to that expected from accretion power. Comparing the bolometric light curve with hydrodynamical models, we find that DES16C3cje can be explained by either (i) a low explosion energy (0.11 foe) and relatively large Ni-56 production of 0.075 M-circle dot from an similar to 15 M-circle dot red supergiant progenitor typical of other SNe II, or (ii) a relatively compact similar to 40 M-circle dot star, explosion energy of 1 foe, and 0.08 M-circle dot of Ni-56. Both scenarios require additional energy input to explain the late-time light curve, which is consistent with fallback accretion at a rate of similar to 0.5 x 10(-)(8) M-circle dot s(-1).
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- supernovae: general
- supernovae: individual: (DES16C3cje)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Gutierrez, C. P.
- Sullivan, M.
- Martinez, L.
- Bersten, M. C.
- Inserra, C.
- Smith, M.
- show more...
- Anderson, J. P.
- Pan, Y.-C.
- Pastorello, A.
- Galbany, L.
- Nugent, P.
- Angus, C. R.
- Barbarino, Crist ...
- Carollo, D.
- Chen, T.-W.
- Davis, T. M.
- Della Valle, M.
- Foley, R. J.
- Fraser, M.
- Frohmaier, C.
- Gonzalez-Gaitan, ...
- Gromadzki, M.
- Kankare, E.
- Kokotanekova, R.
- Kollmeier, J.
- Lewis, G. F.
- Magee, M. R.
- Maguire, K.
- Moller, A.
- Morrell, N.
- Nicholl, M.
- Pursiainen, M.
- Sollerman, Jespe ...
- Sommer, N. E.
- Swann, E.
- Tucker, B. E.
- Wiseman, P.
- Aguena, M.
- Allam, S.
- Avila, S.
- Bertin, E.
- Brooks, D.
- Buckley-Geer, E.
- Burke, D. L.
- Rosell, A. Carne ...
- Kind, M. Carrasc ...
- Carretero, J.
- Costanzi, M.
- da Costa, L. N.
- De Vicente, J.
- Desai, S.
- Diehl, H. T.
- Doel, P.
- Eifler, T. F.
- Flaugher, B.
- Fosalba, P.
- Frieman, J.
- Garcia-Bellido, ...
- Gerdes, D. W.
- Gruen, D.
- Gruendl, R. A.
- Gschwend, J.
- Gutierrez, G.
- Hinton, S. R.
- Hollowood, D. L.
- Honscheid, K.
- James, D. J.
- Kuehn, K.
- Kuropatkin, N.
- Lahav, O.
- Lima, M.
- Maia, M. A. G.
- March, M.
- Menanteau, F.
- Miquel, R.
- Morganson, E.
- Palmese, A.
- Paz-Chinchon, F.
- Plazas, A. A.
- Sako, M.
- Sanchez, E.
- Scarpine, V.
- Schubnell, M.
- Serrano, S.
- Sevilla-Noarbe, ...
- Soares-Santos, M ...
- Suchyta, E.
- Swanson, M. E. C ...
- Tarle, G.
- Thomas, D.
- Varga, T. N.
- Walker, A. R.
- Wilkinson, R.
- show less...
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- NATURAL SCIENCES
- NATURAL SCIENCES
- and Physical Science ...
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- Stockholm University
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