Photometric and spectroscopic properties of Type II-P supernovae

T. Faran, D. Poznanski, A. V. Filippenko, R. Chornock, R. J. Foley, M. Ganeshalingam, D. C. Leonard, W. Li, M. Modjaz, E. Nakar, F. J D Serduke, J. M. Silverman

    Research output: Contribution to journalArticle

    Abstract

    We study a sample of 23 Type II plateau supernovae (SNe II-P), all observed with the same set of instruments. Analysis of their photometric evolution confirms that their typical plateau duration is 100 d with little scatter, showing a tendency to get shorter for more energetic SNe. We examine the claimed correlation between the luminosity and the rise time from explosion to plateau. We analyse their spectra, measuring typical ejecta velocities, and confirm that they follow a well-behaved power-law decline. We find indications of high-velocity material in the spectra of six of our SNe. We test different dust-extinction correction methods by asking the following - does the uniformity of the sample increase after the application of a given method? A reasonably behaved underlying distribution should become tighter after correction. No method we tested made a significant improvement.

    Original languageEnglish (US)
    Pages (from-to)844-861
    Number of pages18
    JournalMonthly Notices of the Royal Astronomical Society
    Volume442
    Issue number1
    DOIs
    StatePublished - 2014

    Fingerprint

    supernovae
    plateaus
    plateau
    ejecta
    explosions
    explosion
    power law
    indication
    tendencies
    extinction
    energetics
    dust
    luminosity
    method
    measuring
    test
    distribution
    material
    analysis

    Keywords

    • Supernovae: general

    ASJC Scopus subject areas

    • Space and Planetary Science
    • Astronomy and Astrophysics

    Cite this

    Faran, T., Poznanski, D., Filippenko, A. V., Chornock, R., Foley, R. J., Ganeshalingam, M., ... Silverman, J. M. (2014). Photometric and spectroscopic properties of Type II-P supernovae. Monthly Notices of the Royal Astronomical Society, 442(1), 844-861. https://doi.org/10.1093/mnras/stu955

    Photometric and spectroscopic properties of Type II-P supernovae. / Faran, T.; Poznanski, D.; Filippenko, A. V.; Chornock, R.; Foley, R. J.; Ganeshalingam, M.; Leonard, D. C.; Li, W.; Modjaz, M.; Nakar, E.; Serduke, F. J D; Silverman, J. M.

    In: Monthly Notices of the Royal Astronomical Society, Vol. 442, No. 1, 2014, p. 844-861.

    Research output: Contribution to journalArticle

    Faran, T, Poznanski, D, Filippenko, AV, Chornock, R, Foley, RJ, Ganeshalingam, M, Leonard, DC, Li, W, Modjaz, M, Nakar, E, Serduke, FJD & Silverman, JM 2014, 'Photometric and spectroscopic properties of Type II-P supernovae', Monthly Notices of the Royal Astronomical Society, vol. 442, no. 1, pp. 844-861. https://doi.org/10.1093/mnras/stu955
    Faran T, Poznanski D, Filippenko AV, Chornock R, Foley RJ, Ganeshalingam M et al. Photometric and spectroscopic properties of Type II-P supernovae. Monthly Notices of the Royal Astronomical Society. 2014;442(1):844-861. https://doi.org/10.1093/mnras/stu955
    Faran, T. ; Poznanski, D. ; Filippenko, A. V. ; Chornock, R. ; Foley, R. J. ; Ganeshalingam, M. ; Leonard, D. C. ; Li, W. ; Modjaz, M. ; Nakar, E. ; Serduke, F. J D ; Silverman, J. M. / Photometric and spectroscopic properties of Type II-P supernovae. In: Monthly Notices of the Royal Astronomical Society. 2014 ; Vol. 442, No. 1. pp. 844-861.
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