iPTF16geu: A multiply imaged, gravitationally lensed type Ia supernova
Abstract
We report the discovery of a multiply imaged, gravitationally lensed type Ia supernova, iPTF16geu (SN 2016geu), at redshift z = 0.409. This phenomenon was identified because the light from the stellar explosion was magnified more than 50 times by the curvature of space around matter in an intervening galaxy.We used high-spatial-resolution observations to resolve four images of the lensed supernova, approximately 0.3 arc seconds from the center of the foreground galaxy. The observations probe a physical scale of ~1 kiloparsec, smaller than is typical in other studies of extragalactic gravitational lensing. The large magnification and symmetric image configuration imply close alignment between the lines of sight to the supernova and to the lens. In conclusion, the relative magnifications of the four images provide evidence for substructures in the lensing galaxy.
- Authors:
-
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- Stockholm Univ. (Sweden). Oskar Klein Centre, Dept. of Physics
- California Inst. of Technology (CalTech), Pasadena, CA (United States). Cahill Center for Astrophysics
- Univ. of California, Berkeley, CA (United States). Dept. of Astronomy; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Weizmann Inst. of Science, Rehovot (Israel). Dept. of Particle Physics and Astrophysics
- Space Telescope Science Inst., Baltimore, MD (United States)
- San Diego State Univ., San Diego, CA (United States). Dept. of Astronomy; Univ. of Tokyo, Kashiwa (Japan). Kavli IPMU (WPI), UTIAS
- Stockholm Univ. (Sweden). Dept. of Astronomy
- eScience Inst. and Dept. of Astronomy, Seattle, WA (United States)
- Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
- Stockholm Univ. (Sweden). Oskar Klein Centre, Astronomy Dept.
- California Inst. of Technology (CalTech), Pasadena, CA (United States). Cahill Center for Astrophysics; Stockholm Univ. (Sweden). Dept. of Astronomy
- California Inst. of Technology (CalTech), Pasadena, CA (United States). Infrared Processing and Analysis Center
- Northwestern Univ., Evanston, IL (United States). Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA) and Dept. of Physics and Astronomy; Adler Planetarium, Chicago, IL (United States)
- Univ. of Southampton (United Kingdom). Dept. of Physics and Astronomy
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
- OSTI Identifier:
- 1379815
- Grant/Contract Number:
- AC02-05CH11231; 615929; 1545949; HST-GO-14862.002
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Science
- Additional Journal Information:
- Journal Volume: 356; Journal Issue: 6335; Journal ID: ISSN 0036-8075
- Publisher:
- AAAS
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS
Citation Formats
Goobar, A., Amanullah, R., Kulkarni, S. R., Nugent, P. E., Johansson, J., Steidel, C., Law, D., Mörtsell, E., Quimby, R., Blagorodnova, N., Brandeker, A., Cao, Y., Cooray, A., Ferretti, R., Fremling, C., Hangard, L., Kasliwal, M., Kupfer, T., Lunnan, R., Masci, F., Miller, A. A., Nayyeri, H., Neill, J. D., Ofek, E. O., Papadogiannakis, S., Petrushevska, T., Ravi, V., Sollerman, J., Sullivan, M., Taddia, F., Walters, R., Wilson, D., Yan, L., and Yaron, O. iPTF16geu: A multiply imaged, gravitationally lensed type Ia supernova. United States: N. p., 2017.
Web. doi:10.1126/science.aal2729.
Goobar, A., Amanullah, R., Kulkarni, S. R., Nugent, P. E., Johansson, J., Steidel, C., Law, D., Mörtsell, E., Quimby, R., Blagorodnova, N., Brandeker, A., Cao, Y., Cooray, A., Ferretti, R., Fremling, C., Hangard, L., Kasliwal, M., Kupfer, T., Lunnan, R., Masci, F., Miller, A. A., Nayyeri, H., Neill, J. D., Ofek, E. O., Papadogiannakis, S., Petrushevska, T., Ravi, V., Sollerman, J., Sullivan, M., Taddia, F., Walters, R., Wilson, D., Yan, L., & Yaron, O. iPTF16geu: A multiply imaged, gravitationally lensed type Ia supernova. United States. https://doi.org/10.1126/science.aal2729
Goobar, A., Amanullah, R., Kulkarni, S. R., Nugent, P. E., Johansson, J., Steidel, C., Law, D., Mörtsell, E., Quimby, R., Blagorodnova, N., Brandeker, A., Cao, Y., Cooray, A., Ferretti, R., Fremling, C., Hangard, L., Kasliwal, M., Kupfer, T., Lunnan, R., Masci, F., Miller, A. A., Nayyeri, H., Neill, J. D., Ofek, E. O., Papadogiannakis, S., Petrushevska, T., Ravi, V., Sollerman, J., Sullivan, M., Taddia, F., Walters, R., Wilson, D., Yan, L., and Yaron, O. Fri .
"iPTF16geu: A multiply imaged, gravitationally lensed type Ia supernova". United States. https://doi.org/10.1126/science.aal2729. https://www.osti.gov/servlets/purl/1379815.
@article{osti_1379815,
title = {iPTF16geu: A multiply imaged, gravitationally lensed type Ia supernova},
author = {Goobar, A. and Amanullah, R. and Kulkarni, S. R. and Nugent, P. E. and Johansson, J. and Steidel, C. and Law, D. and Mörtsell, E. and Quimby, R. and Blagorodnova, N. and Brandeker, A. and Cao, Y. and Cooray, A. and Ferretti, R. and Fremling, C. and Hangard, L. and Kasliwal, M. and Kupfer, T. and Lunnan, R. and Masci, F. and Miller, A. A. and Nayyeri, H. and Neill, J. D. and Ofek, E. O. and Papadogiannakis, S. and Petrushevska, T. and Ravi, V. and Sollerman, J. and Sullivan, M. and Taddia, F. and Walters, R. and Wilson, D. and Yan, L. and Yaron, O.},
abstractNote = {We report the discovery of a multiply imaged, gravitationally lensed type Ia supernova, iPTF16geu (SN 2016geu), at redshift z = 0.409. This phenomenon was identified because the light from the stellar explosion was magnified more than 50 times by the curvature of space around matter in an intervening galaxy.We used high-spatial-resolution observations to resolve four images of the lensed supernova, approximately 0.3 arc seconds from the center of the foreground galaxy. The observations probe a physical scale of ~1 kiloparsec, smaller than is typical in other studies of extragalactic gravitational lensing. The large magnification and symmetric image configuration imply close alignment between the lines of sight to the supernova and to the lens. In conclusion, the relative magnifications of the four images provide evidence for substructures in the lensing galaxy.},
doi = {10.1126/science.aal2729},
journal = {Science},
number = 6335,
volume = 356,
place = {United States},
year = {Fri Apr 21 00:00:00 EDT 2017},
month = {Fri Apr 21 00:00:00 EDT 2017}
}
Web of Science
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