Progenitor and close-in circumstellar medium of type II supernova 2020fqv from high-cadence photometry and ultra-rapid UV spectroscopy
Abstract
ABSTRACT We present observations of SN 2020fqv, a Virgo-cluster type II core-collapse supernova (CCSN) with a high temporal resolution light curve from the Transiting Exoplanet Survey Satellite (TESS) covering the time of explosion; ultraviolet (UV) spectroscopy from the Hubble Space Telescope (HST) starting 3.3 d post-explosion; ground-based spectroscopic observations starting 1.1 d post-explosion; along with extensive photometric observations. Massive stars have complicated mass-loss histories leading up to their death as CCSNe, creating circumstellar medium (CSM) with which the SNe interact. Observations during the first few days post-explosion can provide important information about the mass-loss rate during the late stages of stellar evolution. Model fits to the quasi-bolometric light curve of SN 2020fqv reveal 0.23 M⊙ of CSM confined within 1450 R⊙ (1014 cm) from its progenitor star. Early spectra (<4 d post-explosion), both from HST and ground-based observatories, show emission features from high-ionization metal species from the outer, optically thin part of this CSM. We find that the CSM is consistent with an eruption caused by the injection of ∼5 × 1046 erg into the stellar envelope ∼300 d pre-explosion, potentially from a nuclear burning instability at the onset of oxygen burning. Light-curve fitting, nebular spectroscopy, and pre-explosion HST imaging consistently point to a red supergiant (RSG) progenitor with $$M_{\rm ZAMS}\approx 13.5\!-\!15 \, \mathrm{M}_{\odot }$$, typical for SN II progenitor stars. This finding demonstrates that a typical RSG, like the progenitor of SN 2020fqv, has a complicated mass-loss history immediately before core collapse.
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- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1860285
- Resource Type:
- Published Article
- Journal Name:
- Monthly Notices of the Royal Astronomical Society
- Additional Journal Information:
- Journal Name: Monthly Notices of the Royal Astronomical Society Journal Volume: 512 Journal Issue: 2; Journal ID: ISSN 0035-8711
- Publisher:
- Oxford University Press
- Country of Publication:
- United Kingdom
- Language:
- English
Citation Formats
Tinyanont, Samaporn, Ridden-Harper, R., Foley, R. J., Morozova, V., Kilpatrick, C. D., Dimitriadis, G., DeMarchi, L., Gagliano, A., Jacobson-Galán, W. V., Messick, A., Pierel, J. D. R., Piro, A. L., Ramirez-Ruiz, E., Siebert, M. R., Chambers, K. C., Clever, K. E., Coulter, D. A., De, K., Hankins, M., Hung, T., Jha, S. W., Jimenez Angel, C. E., Jones, D. O., Kasliwal, M. M., Lin, C-C, Marques-Chaves, R., Margutti, R., Moore, A., Pérez-Fournon, I., Poidevin, F., Rest, A., Shirley, R., Smith, C. S., Strasburger, E., Swift, J. J., Wainscoat, R. J., Wang, Q., and Zenati, Y. Progenitor and close-in circumstellar medium of type II supernova 2020fqv from high-cadence photometry and ultra-rapid UV spectroscopy. United Kingdom: N. p., 2021.
Web. doi:10.1093/mnras/stab2887.
Tinyanont, Samaporn, Ridden-Harper, R., Foley, R. J., Morozova, V., Kilpatrick, C. D., Dimitriadis, G., DeMarchi, L., Gagliano, A., Jacobson-Galán, W. V., Messick, A., Pierel, J. D. R., Piro, A. L., Ramirez-Ruiz, E., Siebert, M. R., Chambers, K. C., Clever, K. E., Coulter, D. A., De, K., Hankins, M., Hung, T., Jha, S. W., Jimenez Angel, C. E., Jones, D. O., Kasliwal, M. M., Lin, C-C, Marques-Chaves, R., Margutti, R., Moore, A., Pérez-Fournon, I., Poidevin, F., Rest, A., Shirley, R., Smith, C. S., Strasburger, E., Swift, J. J., Wainscoat, R. J., Wang, Q., & Zenati, Y. Progenitor and close-in circumstellar medium of type II supernova 2020fqv from high-cadence photometry and ultra-rapid UV spectroscopy. United Kingdom. https://doi.org/10.1093/mnras/stab2887
Tinyanont, Samaporn, Ridden-Harper, R., Foley, R. J., Morozova, V., Kilpatrick, C. D., Dimitriadis, G., DeMarchi, L., Gagliano, A., Jacobson-Galán, W. V., Messick, A., Pierel, J. D. R., Piro, A. L., Ramirez-Ruiz, E., Siebert, M. R., Chambers, K. C., Clever, K. E., Coulter, D. A., De, K., Hankins, M., Hung, T., Jha, S. W., Jimenez Angel, C. E., Jones, D. O., Kasliwal, M. M., Lin, C-C, Marques-Chaves, R., Margutti, R., Moore, A., Pérez-Fournon, I., Poidevin, F., Rest, A., Shirley, R., Smith, C. S., Strasburger, E., Swift, J. J., Wainscoat, R. J., Wang, Q., and Zenati, Y. Tue .
"Progenitor and close-in circumstellar medium of type II supernova 2020fqv from high-cadence photometry and ultra-rapid UV spectroscopy". United Kingdom. https://doi.org/10.1093/mnras/stab2887.
@article{osti_1860285,
title = {Progenitor and close-in circumstellar medium of type II supernova 2020fqv from high-cadence photometry and ultra-rapid UV spectroscopy},
author = {Tinyanont, Samaporn and Ridden-Harper, R. and Foley, R. J. and Morozova, V. and Kilpatrick, C. D. and Dimitriadis, G. and DeMarchi, L. and Gagliano, A. and Jacobson-Galán, W. V. and Messick, A. and Pierel, J. D. R. and Piro, A. L. and Ramirez-Ruiz, E. and Siebert, M. R. and Chambers, K. C. and Clever, K. E. and Coulter, D. A. and De, K. and Hankins, M. and Hung, T. and Jha, S. W. and Jimenez Angel, C. E. and Jones, D. O. and Kasliwal, M. M. and Lin, C-C and Marques-Chaves, R. and Margutti, R. and Moore, A. and Pérez-Fournon, I. and Poidevin, F. and Rest, A. and Shirley, R. and Smith, C. S. and Strasburger, E. and Swift, J. J. and Wainscoat, R. J. and Wang, Q. and Zenati, Y.},
abstractNote = {ABSTRACT We present observations of SN 2020fqv, a Virgo-cluster type II core-collapse supernova (CCSN) with a high temporal resolution light curve from the Transiting Exoplanet Survey Satellite (TESS) covering the time of explosion; ultraviolet (UV) spectroscopy from the Hubble Space Telescope (HST) starting 3.3 d post-explosion; ground-based spectroscopic observations starting 1.1 d post-explosion; along with extensive photometric observations. Massive stars have complicated mass-loss histories leading up to their death as CCSNe, creating circumstellar medium (CSM) with which the SNe interact. Observations during the first few days post-explosion can provide important information about the mass-loss rate during the late stages of stellar evolution. Model fits to the quasi-bolometric light curve of SN 2020fqv reveal 0.23 M⊙ of CSM confined within 1450 R⊙ (1014 cm) from its progenitor star. Early spectra (<4 d post-explosion), both from HST and ground-based observatories, show emission features from high-ionization metal species from the outer, optically thin part of this CSM. We find that the CSM is consistent with an eruption caused by the injection of ∼5 × 1046 erg into the stellar envelope ∼300 d pre-explosion, potentially from a nuclear burning instability at the onset of oxygen burning. Light-curve fitting, nebular spectroscopy, and pre-explosion HST imaging consistently point to a red supergiant (RSG) progenitor with $M_{\rm ZAMS}\approx 13.5\!-\!15 \, \mathrm{M}_{\odot }$, typical for SN II progenitor stars. This finding demonstrates that a typical RSG, like the progenitor of SN 2020fqv, has a complicated mass-loss history immediately before core collapse.},
doi = {10.1093/mnras/stab2887},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 2,
volume = 512,
place = {United Kingdom},
year = {Tue Oct 26 00:00:00 EDT 2021},
month = {Tue Oct 26 00:00:00 EDT 2021}
}
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