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  • Goobar, Ariel,1962-Stockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum (author)

Uncovering a population of gravitational lens galaxies with magnified standard candle SN Zwicky

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • 2023
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-228293
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-228293URI
  • https://doi.org/10.1038/s41550-023-01981-3DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • For correction, see: Goobar, A., Johansson, J., Schulze, S. et al. Author Correction: Uncovering a population of gravitational lens galaxies with magnified standard candle SN Zwicky. Nat Astron 7, 1137 (2023). DOI: 10.1038/s41550-023-02034-5
  • Detecting gravitationally lensed supernovae is among the biggest challenges in astronomy. It involves a combination of two very rare phenomena: catching the transient signal of a stellar explosion in a distant galaxy and observing it through a nearly perfectly aligned foreground galaxy that deflects light towards the observer. Here we describe how high-cadence optical observations with the Zwicky Transient Facility, with its unparalleled large field of view, led to the detection of a multiply imaged type Ia supernova, SN Zwicky, also known as SN 2022qmx. Magnified nearly 25-fold, the system was found thanks to the standard candle nature of type Ia supernovae. High-spatial-resolution imaging with the Keck telescope resolved four images of the supernova with very small angular separation, corresponding to an Einstein radius of only θE = 0.167″ and almost identical arrival times. The small θE and faintness of the lensing galaxy are very unusual, highlighting the importance of supernovae to fully characterize the properties of galaxy-scale gravitational lenses, including the impact of galaxy substructures.

Subject headings and genre

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

  • Pearson Johansson, Joel,1984-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)joeljo (author)
  • Schulze, Steve,1980-Stockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)stsc6413 (author)
  • Arendse, Nikki,1993-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)piar5734 (author)
  • Sagués Carracedo, Ana,1993-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)anca9835 (author)
  • Dhawan, Suhail (author)
  • Mörtsell, Edvard,1971-Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)edvard (author)
  • Fremling, Christoffer (author)
  • Yan, Lin (author)
  • Perley, Daniel (author)
  • Sollerman, Jesper,1968-Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)solle (author)
  • Joseph, Rémy,1989-Stockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)rejo6186 (author)
  • Hinds, K-Ryan (author)
  • Meynardie, William (author)
  • Andreoni, Igor (author)
  • Bellm, Eric (author)
  • Bloom, Josh (author)
  • Collett, Thomas E. (author)
  • Drake, Andrew (author)
  • Graham, Matthew (author)
  • Kasliwal, Mansi (author)
  • Kulkarni, Shri R. (author)
  • Lemon, Cameron (author)
  • Miller, Adam A. (author)
  • Neill, James D. (author)
  • Nordin, Jakob (author)
  • Pierel, Justin (author)
  • Richard, Johan (author)
  • Riddle, Reed (author)
  • Rigault, Mickael (author)
  • Rusholme, Ben (author)
  • Sharma, Yashvi (author)
  • Stein, Robert (author)
  • Stewart, Gabrielle (author)
  • Townsend, Alice (author)
  • Vinko, Jozsef (author)
  • Wheeler, J. Craig (author)
  • Wold, Avery (author)
  • Stockholms universitetOskar Klein-centrum för kosmopartikelfysik (OKC) (creator_code:org_t)

Related titles

  • In:Nature Astronomy7:9, s. 1098-11072397-3366

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