Searches for Population III pair-instability supernovae: Predictions for ULTIMATE-Subaru and WFIRST
- 17 April 2019
- journal article
- research article
- Published by Oxford University Press (OUP) in Publications of the Astronomical Society of Japan
- Vol. 71 (3)
- https://doi.org/10.1093/pasj/psz035
Abstract
ULTIMATE-Subaru (Ultra-wide Laser Tomographic Imager and MOS with AO for Transcendent Exploration on Subaru) and WFIRST (Wide Field Infra-Red Survey Telescope) are the next generation of near-infrared instruments that have a large field-of-view. They allow us to conduct deep and wide transient surveys in the near-infrared. Such a near-infrared transient survey enables us to find very distant supernovae that are redshifted to the near-infrared wavelengths. We have performed mock transient surveys with ULTIMATE-Subaru and WFIRST to investigate their ability to discover Population III pair-instability supernovae. We found that a five-year 1 deg(2) K-band transient survey with a point-source limiting magnitude of 26.5 mag with ULTIMATE-Subaru may find about two Population III pair-instability supernovae beyond the redshift of 6. A five-year 10 deg(2) survey with WFIRST reaching 26.5 mag in the F184 band may find about seven Population III pair-instability supernovae beyond the redshift of 6. We also find that the expected numbers of the Population III pair-instability supernova detections increase by about a factor of 2 if the near-infrared transient surveys are performed towards clusters of galaxies. Other supernovae, such as Population II pair-instability supernovae, would also be detected in the same survey. This study demonstrates that these future wide-field near-infrared instruments allow us to investigate the explosions of first-generation supernovae by performing deep and wide near-infrared transient surveys.Keywords
Funding Information
- Japan Society for the Promotion of Science (16H07413, 17H02864, 18K13585, JP15H05892, JP18K03693)
- National Astronomical Observatory of Japan
- Chinese Academy of Sciences
- Korea Astronomy and Space Science Institute
- Ministry of Education, Culture, Sports, Science and Technology
- Princeton University
- Kavli Institute for the Physics and Mathematics of the Universe
- University of Tokyo
- High Energy Accelerator Research Organization
- Academia Sinica Institute for Astronomy and Astrophysics in Taiwan
- Japan Science and Technology Agency
- Toray Science Foundation
- Johns Hopkins University
- Durham University
- University of Edinburgh
- Queen’s University Belfast
- Harvard-Smithsonian Center for Astrophysics
- National Central University
- Space Telescope Science Institute
- National Aeronautics and Space Administration (NNX08AR22G)
- National Science Foundation (AST-1238877)
- University of Maryland
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