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  • France, Kevin (author)

Observing Supernova 1987A with the Refurbished Hubble Space Telescope

  • Article/chapterEnglish2010

Publisher, publication year, extent ...

  • American Association for the Advancement of Science (AAAS),2010
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-48908
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-48908URI
  • https://doi.org/10.1126/science.1192134DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • authorCount :21
  • 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 Ly alpha and H alpha lines from shock emission continue to brighten, whereas their maximum velocities continue to decrease. We observe broad, blueshifted Ly alpha, which we attribute to resonant scattering of photons emitted from hot spots on the equatorial ring. We also detect N v lambda lambda 1239, 1243 angstrom line emission, but only to the red of Ly alpha. The profiles of the N v lines differ markedly from that of H alpha, suggesting that the N4+ ions are scattered and accelerated by turbulent electromagnetic fields that isotropize the ions in the collisionless shock.

Subject headings and genre

  • NATURAL SCIENCES
  • NATURVETENSKAP

Added entries (persons, corporate bodies, meetings, titles ...)

  • McCray, Richard (author)
  • Heng, Kevin (author)
  • Kirshner, Robert P. (author)
  • Challis, Peter (author)
  • Bouchet, Patrice (author)
  • Crotts, Arlin (author)
  • Dwek, Eli (author)
  • Fransson, ClaesStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)frans (author)
  • Garnavich, Peter M. (author)
  • Larsson, JosefinStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)josel (author)
  • Lawrence, Stephen S. (author)
  • Lundqvist, Peter (author)
  • Panagia, Nino (author)
  • Pun, Chun S. J. (author)
  • Smith, Nathan (author)
  • Sollerman, JesperStockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)solle (author)
  • Sonneborn, George (author)
  • Stocke, John T. (author)
  • Wang, Lifan (author)
  • Wheeler, J. Craig (author)
  • Stockholms universitetInstitutionen för astronomi (creator_code:org_t)

Related titles

  • In:Science: American Association for the Advancement of Science (AAAS)329:5999, s. 1624-16270036-80751095-9203

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