Observing supernova 1987A with the refurbished hubble space telescope

Kevin France; Richard McCray; Kevin Heng; Robert P. Kirshner; Peter Challis; Patrice Bouchet; Arlin Crotts; Eli Dwek; Claes Fransson; Peter M. Garnavich; Josefin Larsson; Stephen S. Lawrence; Peter Lundqvist; Nino Panagia; Chun S.J. Pun; Nathan Smith; Jesper Sollerman; George Sonneborn; John T. Stocke; Lifan Wang; J. Craig Wheeler

doi:10.1126/science.1192134

Observing supernova 1987A with the refurbished hubble space telescope

Kevin France, Richard McCray, Kevin Heng, Robert P. Kirshner, Peter Challis, Patrice Bouchet, Arlin Crotts, Eli Dwek, Claes Fransson, Peter M. Garnavich, Josefin Larsson, Stephen S. Lawrence, Peter Lundqvist, Nino Panagia, Chun S.J. Pun, Nathan Smith, Jesper Sollerman, George Sonneborn, John T. Stocke, Lifan WangJ. Craig Wheeler

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

Observations with the Hubble Space Telescope (HST), conducted since 1990, now offer an unprecedented glimpse into fast astrophysical shocks in the young remnant of supernova 1987A. Comparing observations taken in 2010 with the use of the refurbished instruments on HST with data taken in 2004, just before the Space Telescope Imaging Spectrograph failed, we find that the Lyα and Hα lines from shock emission continue to brighten, whereas their maximum velocities continue to decrease. We observe broad, blueshifted Lyα, which we attribute to resonant scattering of photons emitted from hot spots on the equatorial ring. We also detect N v λλ1239, 1243 angstrom line emission, but only to the red of Lyα. The profiles of the N v lines differ markedly from that of Hα, suggesting that the N⁴⁺ ions are scattered and accelerated by turbulent electromagnetic fields that isotropize the ions in the collisionless shock.

Original language	English (US)
Pages (from-to)	1624-1627
Number of pages	4
Journal	Science
Volume	329
Issue number	5999
DOIs	https://doi.org/10.1126/science.1192134
State	Published - Sep 24 2010
Externally published	Yes

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France, K., McCray, R., Heng, K., Kirshner, R. P., Challis, P., Bouchet, P., Crotts, A., Dwek, E., Fransson, C., Garnavich, P. M., Larsson, J., Lawrence, S. S., Lundqvist, P., Panagia, N., Pun, C. S. J., Smith, N., Sollerman, J., Sonneborn, G., Stocke, J. T., ... Wheeler, J. C. (2010). Observing supernova 1987A with the refurbished hubble space telescope. Science, 329(5999), 1624-1627. https://doi.org/10.1126/science.1192134

France, K, McCray, R, Heng, K, Kirshner, RP, Challis, P, Bouchet, P, Crotts, A, Dwek, E, Fransson, C, Garnavich, PM, Larsson, J, Lawrence, SS, Lundqvist, P, Panagia, N, Pun, CSJ, Smith, N, Sollerman, J, Sonneborn, G, Stocke, JT, Wang, L & Wheeler, JC 2010, 'Observing supernova 1987A with the refurbished hubble space telescope', Science, vol. 329, no. 5999, pp. 1624-1627. https://doi.org/10.1126/science.1192134

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title = "Observing supernova 1987A with the refurbished hubble space telescope",

abstract = "Observations with the Hubble Space Telescope (HST), conducted since 1990, now offer an unprecedented glimpse into fast astrophysical shocks in the young remnant of supernova 1987A. Comparing observations taken in 2010 with the use of the refurbished instruments on HST with data taken in 2004, just before the Space Telescope Imaging Spectrograph failed, we find that the Lyα and Hα lines from shock emission continue to brighten, whereas their maximum velocities continue to decrease. We observe broad, blueshifted Lyα, which we attribute to resonant scattering of photons emitted from hot spots on the equatorial ring. We also detect N v λλ1239, 1243 angstrom line emission, but only to the red of Lyα. The profiles of the N v lines differ markedly from that of Hα, suggesting that the N4+ ions are scattered and accelerated by turbulent electromagnetic fields that isotropize the ions in the collisionless shock.",

author = "Kevin France and Richard McCray and Kevin Heng and Kirshner, {Robert P.} and Peter Challis and Patrice Bouchet and Arlin Crotts and Eli Dwek and Claes Fransson and Garnavich, {Peter M.} and Josefin Larsson and Lawrence, {Stephen S.} and Peter Lundqvist and Nino Panagia and Pun, {Chun S.J.} and Nathan Smith and Jesper Sollerman and George Sonneborn and Stocke, {John T.} and Lifan Wang and Wheeler, {J. Craig}",

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doi = "10.1126/science.1192134",

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AU - France, Kevin

AU - McCray, Richard

AU - Heng, Kevin

AU - Kirshner, Robert P.

AU - Challis, Peter

AU - Bouchet, Patrice

AU - Crotts, Arlin

AU - Dwek, Eli

AU - Fransson, Claes

AU - Garnavich, Peter M.

AU - Larsson, Josefin

AU - Lawrence, Stephen S.

AU - Lundqvist, Peter

AU - Panagia, Nino

AU - Pun, Chun S.J.

AU - Smith, Nathan

AU - Sollerman, Jesper

AU - Sonneborn, George

AU - Stocke, John T.

AU - Wang, Lifan

AU - Wheeler, J. Craig

PY - 2010/9/24

Y1 - 2010/9/24

N2 - Observations with the Hubble Space Telescope (HST), conducted since 1990, now offer an unprecedented glimpse into fast astrophysical shocks in the young remnant of supernova 1987A. Comparing observations taken in 2010 with the use of the refurbished instruments on HST with data taken in 2004, just before the Space Telescope Imaging Spectrograph failed, we find that the Lyα and Hα lines from shock emission continue to brighten, whereas their maximum velocities continue to decrease. We observe broad, blueshifted Lyα, which we attribute to resonant scattering of photons emitted from hot spots on the equatorial ring. We also detect N v λλ1239, 1243 angstrom line emission, but only to the red of Lyα. The profiles of the N v lines differ markedly from that of Hα, suggesting that the N4+ ions are scattered and accelerated by turbulent electromagnetic fields that isotropize the ions in the collisionless shock.

AB - Observations with the Hubble Space Telescope (HST), conducted since 1990, now offer an unprecedented glimpse into fast astrophysical shocks in the young remnant of supernova 1987A. Comparing observations taken in 2010 with the use of the refurbished instruments on HST with data taken in 2004, just before the Space Telescope Imaging Spectrograph failed, we find that the Lyα and Hα lines from shock emission continue to brighten, whereas their maximum velocities continue to decrease. We observe broad, blueshifted Lyα, which we attribute to resonant scattering of photons emitted from hot spots on the equatorial ring. We also detect N v λλ1239, 1243 angstrom line emission, but only to the red of Lyα. The profiles of the N v lines differ markedly from that of Hα, suggesting that the N4+ ions are scattered and accelerated by turbulent electromagnetic fields that isotropize the ions in the collisionless shock.

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Observing supernova 1987A with the refurbished hubble space telescope

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