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| DOI | 10.1051/0004-6361/201730843 | ||||
| Año | 2018 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
We aim to improve upon contemporary methods to estimate host-galaxy reddening of stripped-envelope (SE) supernovae (SNe). To this end the Carnegie Supernova Project (CSP-I) SE SN photometry data release, consisting of nearly three dozen objects, is used to identify a minimally reddened sub-sample for each traditionally defined spectroscopic sub-type (i.e., SNe IIb, SNe Ib, SNe Ic). Inspection of the optical and near-infrared (NIR) colors and color evolution of the minimally reddened sub-samples reveals a high degree of homogeneity, particularly between 0 d to +20 d relative to B-band maximum. This motivated the construction of intrinsic color-curve templates, which when compared to the colors of reddened SE SNe, yields an entire suite of optical and NIR color excess measurements. Comparison of optical/optical vs. optical/NIR color excess measurements indicates the majority of the CSP-I SE SNe suffer relatively low amounts of reddening (i.e., E(B - V)(host) < 0.20 mag) and we find evidence for different R-host(V) values among di ff erent SE SN. Fitting the color excess measurements of the seven most reddened (i. e., E(B - V)(host) > 0.20 mag) objects with the Fitzpatrick (1999, PASP, 111, 63) reddening law model provides robust estimates of the host visual-extinction A(host)(V) and R-host(V). In the case of the SE SNe with relatively low amounts of reddening, a preferred value of R-host(V) is adopted for each sub-type, resulting in estimates of A(V)(host) through Fitzpatrick (1999) reddening law model fits to the observed color excess measurements. Our analysis suggests SE SNe reside in galaxies characterized by a range of dust properties. We also find evidence that SNe Ic are more likely to occur in regions characterized by larger A(V)(host) values compared to SNe IIb/Ib and they also tend to suffer more extinction. The later finding is consistent with work in the literature suggesting SNe Ic tend to occur in regions of on-going star formation.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Stritzinger, M. D. | Hombre |
Aarhus Univ - Dinamarca
Aarhus Universitet - Dinamarca |
| 2 | Taddia, F. | Hombre |
Stockholm Univ - Suecia
Stockholms universitet - Suecia |
| 3 | Burns, C. | Hombre |
Observ Carnegie Inst Sci - Estados Unidos
Observatorio Las Campanas - Estados Unidos |
| 4 | Phillips, Mark M. | Hombre |
Observatorio Las Campanas - Chile
Las Campanas Observatory - Chile |
| 5 | BERSTEN-SOSA, MELINA CECILIA | Mujer |
UNIV NACL LA PLATA - Argentina
Comision Nacional de Investigacion Cientifica y Tecnologica - Argentina Univ Tokyo - Japón Universidad Nacional de La Plata - Argentina Consejo Nacional de Investigaciones Científicas y Técnicas - Argentina University of Tokyo - Japón The University of Tokyo - Japón |
| 6 | CONTRERAS-HIDALGO, CARLOS SEBASTIAN | Hombre |
Observatorio Las Campanas - Chile
Las Campanas Observatory - Chile |
| 7 | Folatelli, Gaston | Hombre |
UNIV NACL LA PLATA - Argentina
Universidad Nacional de La Plata - Argentina |
| 8 | Holmbo, S. | Hombre |
Aarhus Univ - Dinamarca
Aarhus Universitet - Dinamarca |
| 9 | Hsiao, Eric Y. | Hombre |
FLORIDA STATE UNIV - Estados Unidos
Florida State University - Estados Unidos |
| 10 | Hoeflich, P. | Hombre |
FLORIDA STATE UNIV - Estados Unidos
Florida State University - Estados Unidos |
| 11 | Leloudas, G. | Hombre |
Weizmann Inst Sci - Israel
Weizmann Institute of Science Israel - Israel |
| 12 | MORRELL, NIDIA IRENE | Mujer |
Observatorio Las Campanas - Chile
Las Campanas Observatory - Chile |
| 13 | Sollerman, J. | Hombre |
Stockholm Univ - Suecia
Stockholms universitet - Suecia |
| 14 | Suntzeff, N. B. | Hombre |
Texas A&M Univ - Estados Unidos
Texas A&M University - Estados Unidos |
| Fuente |
|---|
| National Science Foundation |
| NSF |
| Knut and Alice Wallenberg Foundation |
| VILLUM FONDEN |
| Instrument Centre for Danish Astrophysics (IDA) |
| Danish Agency for Science and Technology and Innovation |
| Knut och Alice Wallenbergs Stiftelse |
| Directorate for Mathematical and Physical Sciences |
| Agradecimiento |
|---|
| We thank R. Amanullah, E. Baron, A. Goobar, and P. Mazzali for useful discussions. M. D. Stritzinger, F. Taddia, E. Hsiao and C. Contreras gratefully acknowledge support provided by the Danish Agency for Science and Technology and Innovation realized through a Sapere Aude Level 2 grant. M. D. Stritzinger acknowledges funding by a research grant (13261) from the VILLUM FONDEN and the Instrument Centre for Danish Astrophysics (IDA). M. D. Stritzinger conducted a portion of this research at the Aspen Center for Physics, which is supported by NSF grant PHY-1066293. F. Taddia and J. Sollerman gratefully acknowledge the support from the Knut and Alice Wallenberg Foundation. This material is also based upon work supported by NSF under grants AST-0306969, AST-0607438, AST-0908886, AST-1008343, AST-1613426, AST-1613455, and AST-1613472. This research has made use of the NASA/IPAC Extragalactic Database (NED), which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. |
| NSF under grants AST–0306969, AST–0607438, AST–0908886, AST–1008343, AST-1613426, AST–1613455, and AST–1613472. This research has made use of the NASA/IPAC Extragalactic Database (NED), which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. |