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The Extreme Hosts of Extreme Supernovae

Neill, James D. and Quimby, Robert and Ofek, Eran and Wyder, Ted K. and Martin, D. Christopher and Barlow, Tom A. and Foster, Karl and Friedman, Peter G. and Morrissey, Patrick (2011) The Extreme Hosts of Extreme Supernovae. Astrophysical Journal, 727 (1). Art. No. 15. ISSN 0004-637X.

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We use GALEX ultraviolet (UV) and optical integrated photometry of the hosts of 17 luminous supernovae (LSNe, having peak M_V < –21) and compare them to a sample of 26, 000 galaxies from a cross-match between the SDSS DR4 spectral catalog and GALEX interim release 1.1. We place the LSN hosts on the galaxy NUV – r versus M_r color-magnitude diagram (CMD) with the larger sample to illustrate how extreme they are. The LSN hosts appear to favor low-density regions of the galaxy CMD falling on the blue edge of the blue cloud toward the low-luminosity end. From the UV-optical photometry, we estimate the star formation history of the LSN hosts. The hosts have moderately low star formation rates (SFRs) and low stellar masses (M_*) resulting in high specific star formation rates (sSFR). Compared with the larger sample, the LSN hosts occupy low-density regions of a diagram plotting sSFR versus M_* in the area having higher sSFR and lower M_*. This preference for low M_*, high sSFR hosts implies that the LSNe are produced by an effect having to do with their local environment. The correlation of mass with metallicity suggests that perhaps wind-driven mass loss is the factor that prevents LSNe from arising in higher-mass, higher-metallicity hosts. The massive progenitors of the LSNe (>100 M_☉), by appearing in low-SFR hosts, are potential tests for theories of the initial mass function that limit the maximum mass of a star based on the SFR.

Item Type:Article
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URLURL TypeDescription
Neill, James D.0000-0002-0466-1119
Quimby, Robert0000-0001-9171-5236
Ofek, Eran0000-0002-6786-8774
Additional Information:© 2011 American Astronomical Society. Received 2010 September 7; accepted 2010 November 12; published 2010 December 23. We gratefully acknowledge the anonymous referee for a careful reading and useful suggestions that improved the presentation of this work. Joint research by A.G. and M.S. is supported by the Weizmann-UK program. A.G. is also supported by grants from the Israeli Science Foundation, an EU FP7 Marie Curie IRG Fellowship, and a research grant from the Peter and Patricia Gruber Awards. GALEX (Galaxy Evolution Explorer) is a NASA Small Explorer, launched in 2003 April. We gratefully acknowledge NASA’s support for construction, operation, and science analysis for the GALEX mission, developed in cooperation with the Centre National d’Etudes Spatiales of France and the Korean Ministry of Science and Technology. This research has made use of the NASA/IPAC Extragalactic Database (NED) which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. Funding for the SDSS and SDSS-II has been provided by the Alfred P. Sloan Foundation, the Participating Institutions, the National Science Foundation, the U.S. Department of Energy, the National Aeronautics and Space Administration, the Japanese Monbukagakusho, the Max Planck Society, and the Higher Education Funding Council for England. The SDSS Web site is The SDSS is managed by the Astrophysical Research Consortium for the Participating Institutions. The Participating Institutions are the American Museum of Natural History, Astrophysical Institute Potsdam, University of Basel, University of Cambridge, Case Western Reserve University, University of Chicago, Drexel University, Fermilab, the Institute for Advanced Study, the Japan Participation Group, Johns Hopkins University, the Joint Institute for Nuclear Astrophysics, the Kavli Institute for Particle Astrophysics and Cosmology, the Korean Scientist Group, the Chinese Academy of Sciences (LAMOST), Los Alamos National Laboratory, the Max-Planck- Institute for Astronomy (MPIA), the Max-Planck-Institute for Astrophysics (MPA), New Mexico State University, Ohio State University, University of Pittsburgh, University of Portsmouth, Princeton University, the United States Naval Observatory, and the University of Washington. The National Energy Research Scientific Computing Center, which is supported by the Office of Science of the US Department of Energy under Contract No. DE-AC02-05CH11231, provided staff, computational resources and data storage for this project.
Group:IPTF, Space Astrophysics Laboratory
Funding AgencyGrant Number
Israel Science FoundationUNSPECIFIED
Marie Curie FellowshipUNSPECIFIED
Peter and Patricia Gruber FoundationUNSPECIFIED
Subject Keywords:galaxies: dwarf; stars: luminosity function, mass function; stars: massive; supernovae: general
Classification Code:PACS: 97.60.Bw; 97.10.Xq; 97.10.Me; 97.10.Bt
Record Number:CaltechAUTHORS:20110322-095700336
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Official Citation:The Extreme Hosts of Extreme Supernovae James D. Neill et al. 2011 ApJ 727 15
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:23043
Deposited By: Jason Perez
Deposited On:23 Mar 2011 17:04
Last Modified:27 Oct 2017 04:17

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