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SNLS Spectroscopy: Testing for Evolution in Type Ia Supernovae

Aims: We present a quantitative study of a new data set of high redshift Type Ia supernovae spectra, observed at the Gemini telescopes during the first 34 months of the Supernova Legacy Survey. During this time 123 supernovae candidates…

Astrophysics · Physics 2009-11-13 T. J. Bronder , I. M. Hook , P. Astier , D. Balam , C. Balland , S. Basa , R. G. Carlberg , A. Conley , D. Fouchez , J. Guy , D. A. Howell , J. D. Neill , R. Pain , K. Perrett , C. J. Pritchet , N. Regnault , M. Sullivan , S. Baumont , S. Fabbro , M. Filliol , S. Perlmutter , P. Ripoche

Type Ib/c Supernovae with and without Gamma-Ray Bursts

While the connection between Long Gamma-Ray Bursts (GRBs) and Type Ib/c Supernovae (SNe Ib/c) from stripped stars has been well-established, one key outstanding question is what conditions and factors lead to each kind of explosion in…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Maryam Modjaz

Why Are Radio-Galaxies Prolific Producers of Type Ia Supernovae?

An analysis of SNIa events in early type galaxies from the Cappellaro et al (1999) database provides conclusive evidence that the rate of type Ia Supernovae (SNe) in radio-loud galaxies is about 4 times higher than the rate measured in…

Astrophysics · Physics 2009-11-10 M. Della Valle , N. Panagia , P. Padovani , E. Cappellaro , F. Mannucci , M. Turatto

Diversity of dust properties in external galaxies confirmed by polarization signals from Type II supernovae

Investigating interstellar (IS) dust properties in external galaxies is important not only to infer the intrinsic properties of astronomical objects but also to understand the star/planet formation in the galaxies. From the…

Astrophysics of Galaxies · Physics 2022-12-14 Takashi Nagao , Ferdinando Patat , Keiichi Maeda , Dietrich Baade , Seppo Mattila , Stefan Taubenberger , Rubina Kotak , Aleksandar Cikota , Hanindyo Kuncarayakti , Mattia Bulla , Justyn Maund

Characterizing Supernova Host Galaxies with FrankenBlast: A Scalable Tool for Transient Host Galaxy Association, Photometry, and Stellar Population Modeling

We present FrankenBlast, a customized and improved version of the Blast web application. FrankenBlast associates transients to their host galaxies, performs host photometry, and runs a innovative SED fitting code to constrain host stellar…

High Energy Astrophysical Phenomena · Physics 2025-12-04 Anya E. Nugent , V. Ashley Villar , Alex Gagliano , David O. Jones , Asaf Horowicz , Kaylee de Soto , Bingjie Wang , Ben Margalit

Physics of SNeIa and Cosmology

We give an overview of the current understanding of Type Ia supernovae relevant for their use as cosmological distance indicators. We present the physical basis to understand their homogeneity of the observed light curves and spectra and…

Astrophysics · Physics 2015-06-24 P. Hoeflich , C. Gerardy , E. Linder , H. Marion

Should Type Ia Supernova Distances be Corrected for their Local Environments?

Recent analyses suggest that distance residuals measured from Type Ia supernovae (SNe Ia) are correlated with local host galaxy properties within a few kpc of the SN explosion. However, the well-established correlation with global host…

Cosmology and Nongalactic Astrophysics · Physics 2018-11-14 D. O. Jones , A. G. Riess , D. M. Scolnic , Y. -C. Pan , E. Johnson , D. A. Coulter , K. G. Dettman , M. M. Foley , R. J. Foley , M. E. Huber , S. W. Jha , C. D. Kilpatrick , R. P. Kirshner , A. Rest , A. S. B. Schultz , M. R. Siebert

Selecting superluminous supernovae in faint galaxies from the first year of the Pan-STARRS1 Medium Deep Survey

The Pan-STARRS1 (PS1) survey has obtained imaging in 5 bands (grizy_P1) over 10 Medium Deep Survey (MDS) fields covering a total of 70 square degrees. This paper describes the search for apparently hostless supernovae (SNe) within the first…

High Energy Astrophysical Phenomena · Physics 2015-06-18 M. McCrum , S. J. Smartt , A. Rest , K. Smith , R. Kotak , S. A. Rodney , D. R. Young , R. Chornock , E. Berger , R. J. Foley , M. Fraser , D. Wright , D. Scolnic , J. L. Tonry , Y. Urata , K. Huang , A. Pastorello , M. T. Botticella , S. Valenti , S. Mattila , E. Kankare , D. J. Farrow , M. E. Huber , C. W. Stubbs , R. P. Kirshner , F. Bresolin , W. S. Burgett , K. C. Chambers , P. W. Draper , H. Flewelling , R. Jedicke , N. Kaiser , E. A. Magnier , N. Metcalfe , J. S. Morgan , P. A. Price , W. Sweeney , R. J. Wainscoat , C. Waters

On the multiple supernova population of Arp 299: constraints on progenitor properties and host galaxy star formation characteristics

Throughout the last 20 years 7 supernovae (SNe) have been discovered within Arp 299. One of these is unclassified, leaving 6 core-collapse events; 2 type II, 2 type Ib, a type IIb and one object of indistinct type; Ib/IIb. We analyse the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 J. P. Anderson , S. M. Habergham , P. A. James

The Type Ia Supernova Rate in Radio and Infrared Galaxies from the CFHT Supernova Legacy Survey

We have combined the large SN Ia database of the Canada-France-Hawaii Telescope Supernova Legacy Survey and catalogs of galaxies with photometric redshifts, VLA 1.4 GHz radio sources, and Spitzer infrared sources. We present eight SNe Ia in…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 M. L. Graham , C. J. Pritchet , M. Sullivan , D. A. Howell , S. D. J. Gwyn , P. Astier , C. Balland , S. Basa , R. G. Carlberg , A. Conley , D. Fouchez , J. Guy , D. Hardin , I. M. Hook , R. Pain , K. Perrett , N. Regnault , J. Rich , D. Balam , S. Fabbro , E. Y. Hsiao , A. Mourao , N. Palanque-Delabrouille , S. Perlmutter , V. Ruhlman-Kleider , N. Suzuki , H. K. Fakhouri , E. S. Walker

The influence of environmental effects on Type Ia Supernovae Standardization

Type Ia Supernovae (SNe Ia) are used as reliable cosmic distance indicators and their standardization is necessary for a more accurate measurement of the cosmological parameters of the Universe. However, the Hubble diagram still shows some…

High Energy Astrophysical Phenomena · Physics 2024-06-17 Anastasia Baluta , Maria Pruzhinskaya , Philippe Rosnet , Nicoleta Pauna

Environmental Dependence of Type Ia Supernova Luminosities from a Sample without a Local-Global Difference in Host Star Formation

It is now established that there is a dependence of the luminosity of type Ia supernovae (SNe Ia) on environment: SNe Ia in young, star-forming, metal-poor stellar populations appear fainter after light-curve shape corrections than those in…

Astrophysics of Galaxies · Physics 2018-02-21 Young-Lo Kim , Mathew Smith , Mark Sullivan , Young-Wook Lee

First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: The Effect of Host Galaxy Properties on Supernova Luminosity

We present improved photometric measurements for the host galaxies of 206 spectroscopically confirmed type Ia supernovae discovered by the Dark Energy Survey Supernova Program (DES-SN) and used in the first DES-SN cosmological analysis.…

Cosmology and Nongalactic Astrophysics · Physics 2020-04-22 M. Smith , M. Sullivan , P. Wiseman , R. Kessler , D. Scolnic , D. Brout , C. B. D'Andrea , T. M. Davis , R. J. Foley , C. Frohmaier , L. Galbany , R. R. Gupta , C. P. Gutiérrez , S. R. Hinton , L. Kelsey , C. Lidman , E. Macaulay , A. Möller , R. C. Nichol , P. Nugent , A. Palmese , M. Pursiainen , M. Sako , R. C. Thomas , B. E. Tucker , D. Carollo , G. F. Lewis , N. E. Sommer , T. M. C. Abbott , M. Aguena , S. Allam , S. Avila , E. Bertin , S. Bhargava , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , M. Costanzi , L. N. da Costa , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , T. F. Eifler , S. Everett , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , K. Glazebrook , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , D. J. James , E. Krause , K. Kuehn , N. Kuropatkin , M. Lima , N. MacCrann , M. A. G. Maia , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , F. Paz-Chinchón , A. A. Plazas , A. K. Romer , A. Roodman , E. S. Rykoff , E. Sanchez , V. Scarpine , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , T. N. Varga , A. R. Walker , : , The Dark Energy Survey Collaboration

Host-Galaxy Properties of 32 Low-Redshift Superluminous Supernovae from the Palomar Transient Factory

We present ultraviolet through near-infrared photometry and spectroscopy of the host galaxies of all superluminous supernovae (SLSNe) discovered by the Palomar Transient Factory prior to 2013, and derive measurements of their luminosities,…

High Energy Astrophysical Phenomena · Physics 2016-10-18 Daniel A. Perley , Robert Quimby , Lin Yan , Paul Vreeswijk , Annalisa De Cia , Ragnhild Lunnan , Avishay Gal-Yam , Ofer Yaron , Alexei V. Filippenko , Melissa L. Graham , Russ Laher , Peter E. Nugent

The Spectral SN-GRB Connection: Systematic Spectral Comparisons between Type Ic Supernovae, and broad-lined Type Ic Supernovae with and without Gamma-Ray Bursts

We present the first systematic investigation of spectral properties of 17 Type Ic Supernovae (SNe Ic), 10 broad-lined SNe Ic (SNe Ic-bl) without observed Gamma-Ray Bursts (GRBs) and 11 SNe Ic-bl with GRBs (SN-GRBs) as a function of time in…

High Energy Astrophysical Phenomena · Physics 2016-12-07 Maryam Modjaz , Yuqian Q. Liu , Federica B. Bianco , Or Graur

Using Host Galaxy Spectroscopy to Explore Systematics in the Standardisation of Type Ia Supernovae

We use stacked spectra of the host galaxies of photometrically identified type Ia supernovae (SNe Ia) from the Dark Energy Survey (DES) to search for correlations between Hubble diagram residuals and the spectral properties of the host…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-26 M. Dixon , C. Lidman , J. Mould , L. Kelsey , D. Brout , A. Möller , P. Wiseman , M. Sullivan , L. Galbany , T. M. Davis , M. Vincenzi , D. Scolnic , G. F. Lewis , M. Smith , R. Kessler , A. Duffy , E. Taylor , C. Flynn , T. M. C. Abbott , M. Aguena , S. Allam , F. Andrade-Oliveir , J. Annis , J. Asorey , E. Bertin , S. Bocquet , D. Brooks , D. L. Burke , A. Carnero Rosell , D. Carollo , M. Carrasco Kind , J. Carretero , M. Costanzi , L. N. da Costa , M. E. S. Pereira , P. Doel , S. Everett , I. Ferrero , B. Flaugher , D. Friedel , J. Frieman , J. García-Bellido , M. Gatti , D. W. Gerdes , K. Glazebrook , D. Gruen , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. Huterer , D. J. James , K. Kuehn , N. Kuropatkin , U. Malik , M. March , F. Menanteau , R. Miquel , R. Morgan , B. Nichol , R. L. C. Ogando , A. Palmese , F. Paz-Chinchón , A. Pieres , A. A. Plazas Malagón , M. Rodriguez-Monroy , A. K. Romer , E. Sanchez , V. Scarpine , I. Sevilla-Noarbe , M. Soares-Santos , E. Suchyta , G. Tarle , C. To , B. E. Tucker , D. L. Tucker , T. N. Varga

Measuring Cosmological Parameters with Type Ia Supernovae in redMaGiC galaxies

Current and future cosmological analyses with Type Ia Supernovae (SNe Ia) face three critical challenges: i) measuring redshifts from the supernova or its host galaxy; ii) classifying SNe without spectra; and iii) accounting for…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-10 R. Chen , D. Scolnic , E. Rozo , E. S. Rykoff , B. Popovic , R. Kessler , M. Vincenzi , T. M. Davis , P. Armstrong , D. Brout , L. Galbany , L. Kelsey , C. Lidman , A. Möller , B. Rose , M. Sako , M. Sullivan , G. Taylor , P. Wiseman , J. Asorey , A. Carr , C. Conselice , K. Kuehn , G. F. Lewis , E. Macaulay , M. Rodriguez-Monroy , B. E. Tucker , T. M. C. Abbott , M. Aguena , S. Allam , F. Andrade-Oliveira , J. Annis , D. Bacon , E. Bertin , S. Bocquet , D. Brooks , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , R. Cawthon , M. Costanzi , L. N. da Costa , M. E. S. Pereira , S. Desai , H. T. Diehl , P. Doel , S. Everett , I. Ferrero , B. Flaugher , D. Friedel , J. Frieman , J. García-Bellido , M. Gatti , E. Gaztanaga , D. Gruen , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , O. Lahav , M. Lima , M. March , F. Menanteau , R. Miquel , R. Morgan , A. Palmese , F. Paz-Chinchón , A. Pieres , A. A. Plazas Malagón , J. Prat , A. K. Romer , A. Roodman , E. Sanchez , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , M. Smith , M. Soares-Santos , E. Suchyta , G. Tarle , D. Thomas , C. To , D. L. Tucker , T. N. Varga

Properties of supernova remnants in SIGNALS galaxies -- I . NGC 6822 and M33

We present a spatially resolved study of the kinematical properties of known supernova remnants (SNRs) in the nearest galaxies of the SIGNALS survey, namely NGC 6822 (one object) and M33 (163 objects), based on data obtained with the…

Astrophysics of Galaxies · Physics 2024-07-02 Salvador Duarte Puertas , Laurent Drissen , Carmelle Robert , Laurie Rousseau-Nepton , R. Pierre Martin , Philippe Amram , Thomas Martin

The Host Galaxies of Type Ia Supernovae Discovered by the Palomar Transient Factory

We present spectroscopic observations of the host galaxies of 82 low-redshift type Ia supernovae (SNe Ia) discovered by the Palomar Transient Factory (PTF). We determine star-formation rates, gas-phase/stellar metallicities, and stellar…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Y. -C. Pan , M. Sullivan , K. Maguire , I. M. Hook , P. E. Nugent , D. A. Howell , I. Arcavi , J. Botyanszki , S. B. Cenko , J. DeRose , H. K. Fakhouri , A. Gal-Yam , E. Hsiao , S. R. Kulkarni , R. R. Laher , C. Lidman , J. Nordin , E. S. Walker , D. Xu

Evidence of Environmental Dependencies of Type Ia Supernovae from the Nearby Supernova Factory indicated by Local H{\alpha}

(Abridged) We study the host galaxy regions in close proximity to Type Ia supernovae (SNe Ia) to analyze relations between the properties of SN Ia events and environments most similar to where their progenitors formed. We focus on local…

Cosmology and Nongalactic Astrophysics · Physics 2013-12-09 M. Rigault , Y. Copin , G. Aldering , P. Antilogus , C. Aragon , S. Bailey , C. Baltay , S. Bongard , C. Buton , A. Canto , F. Cellier-Holzem , M. Childress , N. Chotard , H. K. Fakhouri , U. Feindt , M. Fleury , E. Gangler , P. Greskovic , J. Guy , A. G. Kim , M. Kowalski , S. Lombardo , J. Nordin , P. Nugent , R. Pain , E. Pécontal , R. Pereira , S. Perlmutter , D. Rabinowitz , K. Runge , C. Saunders , R. Scalzo , G. Smadja , C. Tao , R. C. Thomas , B. A. Weaver