Type II supernovae as distance indicators at near-IR wavelengths
Author
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Rodríguez, O.
Author
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Pignata Libralato, Giuliano
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Hamuy Wackenhut, Mario
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Clocchiatti, A.
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Phillips, M. M.
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Krisciunas, K.
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Morrell, N. I.
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Folatelli, Gastón
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Roth, M.
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Castellón, S.
Author
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Jang, I. S.
Author
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Apostolovski, Y.
Author
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López, P.
Author
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Marchi, S.
Author
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Ramírez, R.
Author
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Sánchez, P.
Admission date
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2019-10-15T12:25:29Z
Available date
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2019-10-15T12:25:29Z
Publication date
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2019
Cita de ítem
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Monthly Notices of the Royal Astronomical Society, Volumen 483, Issue 4, 2019, Pages 5459-5479
Identifier
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13652966
Identifier
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00358711
Identifier
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10.1093/mnras/sty3396
Identifier
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https://repositorio.uchile.cl/handle/2250/171700
Abstract
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Motivated by the advantages of observing at near-IR wavelengths, we investigate Type II supernovae (SNe II) as distance indicators at those wavelengths through the Photospheric Magnitude Method (PMM). For the analysis, we use BVIJH photometry and optical spectroscopy of 24 SNe II during the photospheric phase. To correct photometry for extinction and redshift effects, we compute total-to-selective broad-band extinction ratios and K-corrections up to z = 0.032. To estimate host galaxy colour excesses, we use the colour-colour curve method with the V-I versus B-V as colour combination. We calibrate the PMM using four SNe II in galaxies having Tip of the Red Giant Branch distances. Among our 24 SNe II, nine are at cz > 2000 km s -1, which we use to construct Hubble diagrams (HDs). To further explore the PMM distance precision, we include into HDs the four SNe used for calibration and othe