AN IR SEARCH FOR EXTINGUISHED SUPERNOVAE IN STARBURST GALAXIES SUBMITTED TO AJ 1998 DECEMBER 13
IR and Radio band observations of heavily extinguished regions in starburst galaxies suggest a very high SN rate associated with such regions. Optically measured supernova (SN) rates may therefore underestimate the total SN rate by factors of up to 10, due to the very high extinction (AB ~ 10-20 mag...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.258.1783 2023-05-15T17:53:53+02:00 AN IR SEARCH FOR EXTINGUISHED SUPERNOVAE IN STARBURST GALAXIES SUBMITTED TO AJ 1998 DECEMBER 13 Bruce Grossan Earl Spillar Norbert Pirzkal Brian M. Sutin Paul Johnson The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.258.1783 http://arxiv.org/pdf/astro-ph/9812253v1.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.258.1783 http://arxiv.org/pdf/astro-ph/9812253v1.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://arxiv.org/pdf/astro-ph/9812253v1.pdf text ftciteseerx 2016-01-07T20:02:22Z IR and Radio band observations of heavily extinguished regions in starburst galaxies suggest a very high SN rate associated with such regions. Optically measured supernova (SN) rates may therefore underestimate the total SN rate by factors of up to 10, due to the very high extinction (AB ~ 10-20 mag) to core-collapse SNe in starburst regions. The IR/radio SN rates come from a variety of indirect means, however, which suffer from model dependence and other problems. We describe a direct measurement of the SN rate from a regular patrol of starburst galaxies done with K ' band imaging to minimize the effects of extinction. A collection of K ' band measurements of core-collapse SNe near maximum light is presented. Such measurements (excluding 1987a) are not well reported in the literature. Results of a preliminary K ' band search using the MIRC camera at the Wyoming IR Observatory (WIRO), and an improved search strategy using the new ORCA optics are described. A monthly patrol of a sample of IRAS bright (mostly starburst) galaxies within 25 Mpc should yield 1.6 – 9.6 SNe per year, corresponding to the range of estimated SN rates. Our initial MIRC search with low-resolution (2.2 " pixels) failed to find extinguished SNe in the IRAS galaxies, limiting the SN rate outside the nucleus (at> 15 " radius) to less than 3.8 Supernova Rate Units (SRU or SNe per century Text Orca Unknown |
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English |
description |
IR and Radio band observations of heavily extinguished regions in starburst galaxies suggest a very high SN rate associated with such regions. Optically measured supernova (SN) rates may therefore underestimate the total SN rate by factors of up to 10, due to the very high extinction (AB ~ 10-20 mag) to core-collapse SNe in starburst regions. The IR/radio SN rates come from a variety of indirect means, however, which suffer from model dependence and other problems. We describe a direct measurement of the SN rate from a regular patrol of starburst galaxies done with K ' band imaging to minimize the effects of extinction. A collection of K ' band measurements of core-collapse SNe near maximum light is presented. Such measurements (excluding 1987a) are not well reported in the literature. Results of a preliminary K ' band search using the MIRC camera at the Wyoming IR Observatory (WIRO), and an improved search strategy using the new ORCA optics are described. A monthly patrol of a sample of IRAS bright (mostly starburst) galaxies within 25 Mpc should yield 1.6 – 9.6 SNe per year, corresponding to the range of estimated SN rates. Our initial MIRC search with low-resolution (2.2 " pixels) failed to find extinguished SNe in the IRAS galaxies, limiting the SN rate outside the nucleus (at> 15 " radius) to less than 3.8 Supernova Rate Units (SRU or SNe per century |
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The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Bruce Grossan Earl Spillar Norbert Pirzkal Brian M. Sutin Paul Johnson |
spellingShingle |
Bruce Grossan Earl Spillar Norbert Pirzkal Brian M. Sutin Paul Johnson AN IR SEARCH FOR EXTINGUISHED SUPERNOVAE IN STARBURST GALAXIES SUBMITTED TO AJ 1998 DECEMBER 13 |
author_facet |
Bruce Grossan Earl Spillar Norbert Pirzkal Brian M. Sutin Paul Johnson |
author_sort |
Bruce Grossan |
title |
AN IR SEARCH FOR EXTINGUISHED SUPERNOVAE IN STARBURST GALAXIES SUBMITTED TO AJ 1998 DECEMBER 13 |
title_short |
AN IR SEARCH FOR EXTINGUISHED SUPERNOVAE IN STARBURST GALAXIES SUBMITTED TO AJ 1998 DECEMBER 13 |
title_full |
AN IR SEARCH FOR EXTINGUISHED SUPERNOVAE IN STARBURST GALAXIES SUBMITTED TO AJ 1998 DECEMBER 13 |
title_fullStr |
AN IR SEARCH FOR EXTINGUISHED SUPERNOVAE IN STARBURST GALAXIES SUBMITTED TO AJ 1998 DECEMBER 13 |
title_full_unstemmed |
AN IR SEARCH FOR EXTINGUISHED SUPERNOVAE IN STARBURST GALAXIES SUBMITTED TO AJ 1998 DECEMBER 13 |
title_sort |
ir search for extinguished supernovae in starburst galaxies submitted to aj 1998 december 13 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.258.1783 http://arxiv.org/pdf/astro-ph/9812253v1.pdf |
genre |
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Orca |
op_source |
http://arxiv.org/pdf/astro-ph/9812253v1.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.258.1783 http://arxiv.org/pdf/astro-ph/9812253v1.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766161598606475264 |