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| DOI | 10.1111/J.1745-3933.2009.00804.X | ||
| Año | 2010 | ||
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Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
We present the first near-infrared Hubble diagram for Type II-P supernovae (SNe), to further explore their value as distance indicators. We use a modified version of the standardized candle method, which relies on the tight correlation between the absolute magnitudes of Type II-P SNe and their expansion velocities during the plateau phase. Although our sample contains only 12 II-P SNe and they are necessarily local (z < 0.02), we demonstrate using near-infrared JHK photometry that it may be possible to reduce the scatter in the Hubble diagram to 0.1-0.15 mag. While this is potentially similar to the dispersion seen for Type Ia SNe, we caution that this needs to be confirmed with a larger sample of II-P SNe in the Hubble flow. © 2010 The Authors. Journal compilation © 2010 RAS.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Maguire, K. | Mujer |
Queen's University Belfast - Reino Unido
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| 2 | Kotak, Rubina | Mujer |
Queen's University Belfast - Reino Unido
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| 3 | Smartt, Stephen J. | Hombre |
Queen's University Belfast - Reino Unido
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| 4 | Pastorello, A. | Mujer |
Queen's University Belfast - Reino Unido
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| 5 | HAMUY-WACKENHUT, MARIO ANDRÉS | Hombre |
Universidad de Chile - Chile
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| 6 | Bufano, Filomena | Mujer |
Osservatorio Astronomico di Padova - Italia
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