Examining the Properties of Low-luminosity Hosts of Type Ia Supernovae from ASAS-SN

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dc.contributor.authorHoloien Thomas WS
dc.contributor.authorBerger Vera L
dc.contributor.authorHinkle Jason T
dc.contributor.authorGalbany L
dc.contributor.authorStrom Allison L
dc.contributor.authorVallely Patrick J
dc.contributor.authorAnderson Joseph P
dc.contributor.authorBoutsia Konstantina
dc.contributor.authorFrench KD
dc.contributor.authorKochanek Christopher S
dc.contributor.authorKuncarayakti Hanindyo
dc.contributor.authorLyman Joseph D
dc.contributor.authorMorrell Nidia
dc.contributor.authorPrieto Jose L
dc.contributor.authorSanchez Sebastian F
dc.contributor.authorStanek KZ
dc.contributor.authorWalth Gregory L
dc.contributor.organizationfi=Suomen ESO-keskus|en=Finnish Centre for Astronomy with ESO|
dc.contributor.organizationfi=Tuorlan observatorio|en=Tuorla Observatory|
dc.contributor.organization-code1.2.246.10.2458963.20.54954054844
dc.contributor.organization-code1.2.246.10.2458963.20.90670098848
dc.converis.publication-id180774125
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/180774125
dc.date.accessioned2025-08-27T23:40:29Z
dc.date.available2025-08-27T23:40:29Z
dc.description.abstract<p>We present a spectroscopic analysis of 44 low-luminosity host galaxies of Type Ia supernovae (SNe Ia) detected by the All-Sky Automated Survey for Supernovae (ASAS-SN), using hydrogen, oxygen, and sulfur emission lines to measure metallicities and star formation rates. We find no statistically significant evidence that the star formation activity and metallicities of the galaxies in our sample are inconsistent with galaxies of similar luminosities and masses. We identify two 3 σ outlier galaxies that have high metallicities for their stellar masses, but find that their other properties are consistent with general galaxies. The overall consistency between our sample and general galaxy samples further strengthens the evidence from more luminous SN Ia host galaxy samples that SN Ia host galaxies are typical.</p>
dc.identifier.jour-issn0004-637X
dc.identifier.olddbid204403
dc.identifier.oldhandle10024/187430
dc.identifier.urihttps://www.utupub.fi/handle/11111/52614
dc.identifier.urlhttps://doi.org/10.3847/1538-4357/acce35
dc.identifier.urnURN:NBN:fi-fe2025082786428
dc.language.isoen
dc.okm.affiliatedauthorKuncarayakti, Hanindyo
dc.okm.discipline115 Astronomy and space scienceen_GB
dc.okm.discipline115 Avaruustieteet ja tähtitiedefi_FI
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeA1 ScientificArticle
dc.publisherIOP Publishing Ltd
dc.publisher.countryUnited Kingdomen_GB
dc.publisher.countryBritanniafi_FI
dc.publisher.country-codeGB
dc.relation.articlenumber108
dc.relation.doi10.3847/1538-4357/acce35
dc.relation.ispartofjournalAstrophysical Journal
dc.relation.issue2
dc.relation.volume950
dc.source.identifierhttps://www.utupub.fi/handle/10024/187430
dc.titleExamining the Properties of Low-luminosity Hosts of Type Ia Supernovae from ASAS-SN
dc.year.issued2023

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