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Precision Measurement of The Most Distant Spectroscopically Confirmed Supernova Ia with the Hubble Space Telescope
- Rubin, D. (author)
- Knop, R. A. (author)
- Rykoff, E. (author)
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- Aldering, G. (author)
- Barbary, K. (author)
- Burns, M. S. (author)
- Conley, A. (author)
- Connolly, N. (author)
- Deustua, S. (author)
- Fadeyev, V. (author)
- Fakhouri, H. K. (author)
- Fruchter, A. S. (author)
- Gibbons, R. A. (author)
- Goldhaber, G. (author)
- Hsiao, E. Y. (author)
- Huang, X. (author)
- Kowalski, M. (author)
- Lidman, C. (author)
- Meyers, J. (author)
- Nordin, J. (author)
- Perlmutter, S. (author)
- Saunders, C. (author)
- Spadafora, A. L. (author)
- Stanishev, V. (author)
- Suzuki, N. (author)
- Wang, L. (author)
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- (creator_code:org_t)
- 2013
- 2013
- English.
- In: Astrophysical Journal. - 0004-637X .- 1538-4357. ; 763:1, s. 35-
- Journal article (peer-reviewed)
Abstract
Subject headings
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- We report the discovery of a redshift 1.71 supernova in the GOODS-North field. The Hubble Space Telescope (HST) ACS spectrum has almost negligible contamination from the host or neighboring galaxies. Although the rest-frame-sampled range is too blue to include any Si II line, a principal component analysis allows us to confirm it as a Type Ia supernova with 92% confidence. A recent serendipitous archival HST WFC3 grism spectrum contributed a key element of the confirmation by giving a host-galaxy redshift of 1.713 +/- 0.007. In addition to being the most distant SN Ia with spectroscopic confirmation, this is the most distant Ia with a precision color measurement. We present the ACS WFC and NICMOS 2 photometry and ACS and WFC3 spectroscopy. Our derived supernova distance is in agreement with the prediction of CDM.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- supernovae: general
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Rubin, D.
- Knop, R. A.
- Rykoff, E.
- Aldering, G.
- Amanullah, Rahma ...
- Barbary, K.
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- Burns, M. S.
- Conley, A.
- Connolly, N.
- Deustua, S.
- Fadeyev, V.
- Fakhouri, H. K.
- Fruchter, A. S.
- Gibbons, R. A.
- Goldhaber, G.
- Goobar, Ariel
- Hsiao, E. Y.
- Huang, X.
- Kowalski, M.
- Lidman, C.
- Meyers, J.
- Nordin, J.
- Perlmutter, S.
- Saunders, C.
- Spadafora, A. L.
- Stanishev, V.
- Suzuki, N.
- Wang, L.
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- Stockholm University
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