Search: onr:"swepub:oai:DiVA.org:su-153758" >
SN 2017dio :
-
Kuncarayakti, Hanindyo
(author)
SN 2017dio : A Type-Ic Supernova Exploding in a Hydrogen-rich Circumstellar Medium
- Article/chapterEnglish2018
Publisher, publication year, extent ...
-
2018-02-09
-
American Astronomical Society,2018
-
printrdacarrier
Numbers
-
LIBRIS-ID:oai:DiVA.org:su-153758
-
https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-153758URI
-
https://doi.org/10.3847/2041-8213/aaaa1aDOI
Supplementary language notes
-
Language:English
-
Summary in:English
Part of subdatabase
Classification
-
Subject category:ref swepub-contenttype
-
Subject category:art swepub-publicationtype
Notes
-
SN 2017dio shows both spectral characteristics of a type-Ic supernova (SN) and signs of a hydrogen-rich circumstellar medium (CSM). Prominent, narrow emission lines of H and He are superposed on the continuum. Subsequent evolution revealed that the SN ejecta are interacting with the CSM. The initial SN Ic identification was confirmed by removing the CSM interaction component from the spectrum and comparing with known SNe Ic and, reversely, adding a CSM interaction component to the spectra of known SNe Ic and comparing them to SN 2017dio. Excellent agreement was obtained with both procedures, reinforcing the SN Ic classification. The light curve constrains the pre-interaction SN Ic peak absolute magnitude to be around M-g = -17.6 mag. No evidence of significant extinction is found, ruling out a brighter luminosity required by an SN Ia classification. These pieces of evidence support the view that SN 2017dio is an SN Ic, and therefore the first firm case of an SN Ic with signatures of hydrogen-rich CSM in the early spectrum. The CSM is unlikely to have been shaped by steady-state stellar winds. The mass loss of the progenitor star must have been intense, M similar to 0.02 (epsilon(H alpha)/0.01)(-1) (nu(wind)/500 km s(-1)) (nu(shock)/10,000 km s(-1))M--3(circle dot) yr(-1), peaking at a few decades before the SN. Such a high mass-loss rate might have been experienced by the progenitor through eruptions or binary stripping.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
-
Maeda, Keiichi
(author)
-
Ashall, Christopher J.
(author)
-
Prentice, Simon J.
(author)
-
Mattila, Seppo
(author)
-
Kankare, Erkki
(author)
-
Fransson, ClaesStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)frans
(author)
-
Lundqvist, PeterStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)lundq
(author)
-
Pastorello, Andrea
(author)
-
Leloudas, Giorgos
(author)
-
Anderson, Joseph P.
(author)
-
Benetti, Stefano
(author)
-
Bersten, Melina C.
(author)
-
Cappellaro, Enrico
(author)
-
Cartier, Regis
(author)
-
Denneau, Larry
(author)
-
Della Valle, Massimo
(author)
-
Elias-Rosa, Nancy
(author)
-
Folatelli, Gaston
(author)
-
Fraser, Morgan
(author)
-
Galbany, Lluis
(author)
-
Gall, Christa
(author)
-
Gal-Yam, Avishay
(author)
-
Gutierrez, Claudia P.
(author)
-
Hamanowicz, Aleksandra
(author)
-
Heinze, Ari
(author)
-
Inserra, Cosimo
(author)
-
Kangas, Tuomas
(author)
-
Mazzali, Paolo
(author)
-
Melandri, Andrea
(author)
-
Pignata, Giuliano
(author)
-
Rest, Armin
(author)
-
Reynolds, Thomas
(author)
-
Roy, RupakStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC),Inter-University Centre for Astronomy and Astrophysics (IUCAA), India(Swepub:su)rroy
(author)
-
Smartt, Stephen J.
(author)
-
Smith, Ken W.
(author)
-
Sollerman, JesperStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)solle
(author)
-
Somero, Auni
(author)
-
Stalder, Brian
(author)
-
Stritzinger, Maximilian
(author)
-
Taddia, FrancescoStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)ftadd
(author)
-
Tomasella, Lina
(author)
-
Tonry, John
(author)
-
Weiland, Henry
(author)
-
Young, David R.
(author)
-
Stockholms universitetInstitutionen för astronomi
(creator_code:org_t)
Related titles
-
In:Astrophysical Journal Letters: American Astronomical Society854:12041-82052041-8213
Internet link
Find in a library
To the university's database
- By the author/editor
-
Kuncarayakti, Ha ...
-
Maeda, Keiichi
-
Ashall, Christop ...
-
Prentice, Simon ...
-
Mattila, Seppo
-
Kankare, Erkki
-
show more...
-
Fransson, Claes
-
Lundqvist, Peter
-
Pastorello, Andr ...
-
Leloudas, Giorgo ...
-
Anderson, Joseph ...
-
Benetti, Stefano
-
Bersten, Melina ...
-
Cappellaro, Enri ...
-
Cartier, Regis
-
Denneau, Larry
-
Della Valle, Mas ...
-
Elias-Rosa, Nanc ...
-
Folatelli, Gasto ...
-
Fraser, Morgan
-
Galbany, Lluis
-
Gall, Christa
-
Gal-Yam, Avishay
-
Gutierrez, Claud ...
-
Hamanowicz, Alek ...
-
Heinze, Ari
-
Inserra, Cosimo
-
Kangas, Tuomas
-
Mazzali, Paolo
-
Melandri, Andrea
-
Pignata, Giulian ...
-
Rest, Armin
-
Reynolds, Thomas
-
Roy, Rupak
-
Smartt, Stephen ...
-
Smith, Ken W.
-
Sollerman, Jespe ...
-
Somero, Auni
-
Stalder, Brian
-
Stritzinger, Max ...
-
Taddia, Francesc ...
-
Tomasella, Lina
-
Tonry, John
-
Weiland, Henry
-
Young, David R.
-
show less...
- About the subject
-
- NATURAL SCIENCES
-
NATURAL SCIENCES
-
and Physical Science ...
-
and Astronomy Astrop ...
- Articles in the publication
-
Astrophysical Jo ...
- By the university
-
Stockholm University