Related papers: CfA3: 185 Type Ia Supernova Light Curves from the …

Statistical Connections Between the Properties of Type Ia Supernovae and the B--V Colors of Their Parent Galaxies, and the Value of H$_0$

Statistical connections between the properties of Type Ia supernovae (SNe Ia) and the B--V colors of their parent galaxies are established. Compared to SNe Ia in blue galaxies [B-V$\la$0.75], SNe Ia in redder galaxies have (1) a wider…

Astrophysics · Physics 2016-08-30 David Branch , W. Romanishin , E. Baron

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

Constraining dust and color variations of high-z SNe using NICMOS on Hubble Space Telescope

We present data from the Supernova Cosmology Project for five high redshift Type Ia supernovae (SNe Ia) that were obtained using the NICMOS infrared camera on the Hubble Space Telescope. We add two SNe from this sample to a rest-frame…

Cosmology and Nongalactic Astrophysics · Physics 2009-08-30 S. Nobili , V. Fadeyev , G. Aldering , R. Amanullah , K. Barbary , M. S. Burns , K. S. Dawson , S. E. Deustua , L. Faccioli , A. S. Fruchter , G. Goldhaber , A. Goobar , I. Hook , D. A. Howell , A. G. Kim , R. A. Knop , C. Lidman , J. Meyers , P. E. Nugent , R. Pain , N. Panagia , S. Perlmutter , D. Rubin , A. L. Spadafora , M. Strovink , N. Suzuki , H. Swift

Type Ia supernova Hubble diagrams with host galaxy photometric redshifts

The case of SN Ia Hubble diagrams from photometrically selected samples using photometric SN host galaxy redshifts is investigated. The host redshift uncertainties and the contamination by core collapse SNe are addressed. As a test, we use…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-25 V. Ruhlmann-Kleider , C. Lidman , A. Möller

The Peculiar SN 2005hk: Do Some Type Ia Supernovae Explode as Deflagrations?

We present extensive u'g'r'i'BVRIYJHKs photometry and optical spectroscopy of SN 2005hk. These data reveal that SN 2005hk was nearly identical in its observed properties to SN 2002cx, which has been called ``the most peculiar known type Ia…

Astrophysics · Physics 2008-11-26 M. M. Phillips , W. Li , J. A. Frieman , S. I. Blinnikov , D. DePoy , J. L. Prieto , P. Milne , C. Contreras , G. Folatelli , N. Morrell , M. Hamuy , N. B. Suntzeff , M. Roth , S. Gonzalez , W. Krzeminski , A. V. Filippenko , W. L. Freedman , R. Chornock , S. Jha , B. F. Madore , S. E. Persson , C. R. Burns , P. Wyatt , D. Murphy , R. J. Foley , M. Ganeshalingam , F. J. D. Serduke , K. Krisciunas , B. Bassett , A. Becker , B. Dilday , J. Eastman , P. M. Garnavich , J. Holtzman , R. Kessler , H. Lampeitl , J. Marriner , S. Frank , J. L. Marshall , G. Miknaitis , M. Sako , D. P. Schneider , K. van der Heyden , Naoki Yasuda

A Search for New Candidate Super-Chandrasekhar-Mass Type Ia Supernovae in the Nearby Supernova Factory Dataset

We present optical photometry and spectroscopy of five type Ia supernovae discovered by the Nearby Supernova Factory selected to be spectroscopic analogues of the candidate super-Chandrasekhar-mass events SN 2003fg and SN 2007if. Their…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-20 The Nearby Supernova Factory , : , R. Scalzo , G. Aldering , P. Antilogus , C. Aragon , S. Bailey , C. Baltay , S. Bongard , C. Buton , A. Canto , F. Cellier-Holzem , M. Childress , N. Chotard , Y. Copin , H. K. Fakhouri , E. Gangler , J. Guy , E. Y. Hsiao , M. Kerschhaggl , M. Kowalski , P. Nugent , K. Paech , R. Pain , E. Pecontal , R. Pereira , S. Perlmutter , D. Rabinowitz , M. Rigault , K. Runge , G. Smadja , C. Tao , R. C. Thomas , B. A. Weaver , C. Wu

Constraints on Photometric Calibration from Observations of High-Redshift Type Ia Supernovae

The good match of the type Ia supernova (SNIa) Hubble Diagram to the prediction of a not-unreasonable cosmological world model shows that measurements of standard stars and their comparison with point sources down to m=25 mag is good to…

Astrophysics · Physics 2007-05-23 David W. Hogg

Constraining R$_V$ Variation Using Highly Reddened Type Ia Supernovae from the Pantheon+ Sample

Type Ia supernovae (SNe Ia) are powerful tools for measuring the expansion history of the universe, but the impact of dust around SNe Ia remains unknown and is a critical systematic uncertainty. One way to improve our empirical description…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-14 Benjamin M. Rose , Brodie Popovic , Dan Scolnic , Dillon Brout

Improved Constraints on Type Ia Supernova Host Galaxy Properties using Multi-Wavelength Photometry and their Correlations with Supernova Properties

We improve estimates of stellar mass and mass-weighted average age of Type Ia supernova (SN Ia) host galaxies by combining UV and near-IR photometry with optical photometry in our analysis. Using 206 SNe Ia drawn from the full three-year…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Ravi R. Gupta , Chris B. D'Andrea , Masao Sako , Charlie Conroy , Mathew Smith , Bruce Bassett , Joshua A. Frieman , Peter M. Garnavich , Saurabh W. Jha , Richard Kessler , Hubert Lampeitl , John Marriner , Robert C. Nichol , Donald P. Schneider

Union Through UNITY: Cosmology with 2,000 SNe Using a Unified Bayesian Framework

Type Ia supernovae (SNe Ia) were instrumental in establishing the acceleration of the universe's expansion. By virtue of their combination of distance reach, precision, and prevalence, they continue to provide key cosmological constraints,…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-23 David Rubin , Greg Aldering , Marc Betoule , Andy Fruchter , Xiaosheng Huang , Alex G. Kim , Chris Lidman , Eric Linder , Saul Perlmutter , Pilar Ruiz-Lapuente , Nao Suzuki

The fast declining Type Ia supernova 2003gs, and evidence for a significant dispersion in near-infrared absolute magnitudes of fast decliners at maximum light

We obtained optical photometry of SN 2003gs on 49 nights, from 2 to 494 days after T(B_max). We also obtained near-IR photometry on 21 nights. SN 2003gs was the first fast declining Type Ia SN that has been well observed since SN 1999by.…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Kevin Krisciunas , G. H. Marion , Nicholas B. Suntzeff , Guillaume Blanc , Filomena Bufano , Pablo Candia , Regis Cartier , Nancy Elias-Rosa , Juan Espinoza , David Gonzalez , Luis Gonzalez , Sergio Gonzalez , Samuel D. Gooding , Mario Hamuy , Ethan A. Knox , Peter A. Milne , Nidia Morrell , Mark M. Phillips , Maximillian Stritzinger , Joanna Thomas-Osip

Cosmological Results from the RAISIN Survey: Using Type Ia Supernovae in the Near Infrared as a Novel Path to Measure the Dark Energy Equation of State

Type Ia supernovae (SNe Ia) are more precise standardizable candles when measured in the near-infrared (NIR) than in the optical. With this motivation, from 2012-2017 we embarked on the RAISIN program with the Hubble Space Telescope (HST)…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-22 D. O. Jones , K. S. Mandel , R. P. Kirshner , S. Thorp , P. M. Challis , A. Avelino , D. Brout , C. Burns , R. J. Foley , Y. -C. Pan , D. M. Scolnic , M. R. Siebert , R. Chornock , W. L. Freedman , A. Friedman , J. Frieman , L. Galbany , E. Hsiao , L. Kelsey , G. H. Marion , R. C. Nichol , P. E. Nugent , M. M. Phillips , A. Rest , A. G. Riess , M. Sako , M. Smith , P. Wiseman , W. M. Wood-Vasey

The template type Ia supernova 1996X

UBVRIJ photometry and optical spectra of the Type Ia SN 1996X obtained at ESO during a one-year-long observational campaign are presented, and supplemented by late time HST photometry. Spectroscopically, SN 1996X appears to be a `normal' SN…

Astrophysics · Physics 2009-10-31 M. E. Salvo , E. Cappellaro , P. A. Mazzali , S. Benetti , I. J. Danziger , F. Patat , M. Turatto

1991T-like Supernovae

Understanding the nature of the luminous 1991T-like supernovae is of great importance to supernova cosmology as they are likely to have been more common in the early universe. In this paper we explore the observational properties of…

High Energy Astrophysical Phenomena · Physics 2024-05-27 M. M. Phillips , C. Ashall , Peter J. Brown , L. Galbany , M. A. Tucker , Christopher R. Burns , Carlos Contreras , P. Hoeflich , E. Y. Hsiao , S. Kumar , Nidia Morrell , Syed A. Uddin , E. Baron , Wendy L. Freedman , Kevin Krisciunas , S. E. Persson , Anthony L. Piro , B. J. Shappee , Maximilian Stritzinger , Nicholas B. Suntzeff , Sudeshna Chakraborty , R. P. Kirshner , J. Lu , G. H. Marion , Abigail Polin , M. Shahbandeh

ZTF SN Ia DR2: The diversity and relative rates of the thermonuclear SN population

The Zwicky Transient Facility SN Ia Data Release 2 (ZTF SN Ia DR2) contains more than 3,000 Type Ia supernovae (SNe Ia), providing the largest homogeneous low-redshift sample of SNe Ia. Having at least one spectrum per event, this data…

High Energy Astrophysical Phenomena · Physics 2025-02-19 G. Dimitriadis , U. Burgaz , M. Deckers , K. Maguire , J. Johansson , M. Smith , M. Rigault , C. Frohmaier , J. Sollerman , L. Galbany , Y. -L. Kim , C. Liu , A. A. Miller , P. E. Nugent , A. Alburai , P. Chen , S. Dhawan , M. Ginolin , A. Goobar , S. L. Groom , L. Harvey , W. D. Kenworthy , S. R. Kulkarni , K. Phan , B. Popovic , R. L. Riddle , B. Rusholme , T. E. Muller-Bravo , J. Nordin , J. H. Terwel , A. Townsend

Photometric and Spectroscopic Properties of Type Ia Supernova 2018oh with Early Excess Emission from the $Kepler$ 2 Observations

Supernova (SN) 2018oh (ASASSN-18bt) is the first spectroscopically-confirmed type Ia supernova (SN Ia) observed in the $Kepler$ field. The $Kepler$ data revealed an excess emission in its early light curve, allowing to place interesting…

Solar and Stellar Astrophysics · Physics 2019-01-09 W. Li , X. Wang , J. Vinkó , J. Mo , G. Hosseinzadeh , D. J. Sand , J. Zhang , H. Lin , T. Zhang , L. Wang , J. Zhang , Z. Chen , D. Xiang , L. Rui , F. Huang , X. Li , X. Zhang , L. Li , E. Baron , J. M. Derkacy , X. Zhao , H. Sai , K. Zhang , L. Wang , D. A. Howell , C. McCully , I. Arcavi , S. Valenti , D. Hiramatsu , J. Burke , A. Rest , P. Garnavich , B. E. Tucker , G. Narayan , E. Shaya , S. Margheim , A. Zenteno , A. Villar , G. Dimitriadis , R. J. Foley , Y. -C. Pan , D. A. Coulter , O. D. Fox , S. W. Jha , D. O. Jones , D. N. Kasen , C. D. Kilpatrick , A. L. Piro , A. G. Riess , C. Rojas-Bravo , B. J. Shappee , T. W. -S. Holoien , K. Z. Stanek , M. R. Drout , K. Auchettl , C. S. Kochanek , J. S. Brown , S. Bose , D. Bersier , J. Brimacombe , P. Chen , S. Dong , S. Holmbo , J. A. Muñoz , R. L. Mutel , R. S. Post , J. L. Prieto , J. Shields , D. Tallon , T. A. Thompson , P. J. Vallely , S. Villanueva , S. J. Smartt , K. W. Smith , K. C. Chambers , H. A. Flewelling , M. E. Huber , E. A. Magnier , C. Z. Waters , A. S. B. Schultz , J. Bulger , T. B. Lowe , M. Willman , K. Sárneczky , A. Pál , J. C. Wheeler , A. Bódi , Zs. Bognár , B. Csák , B. Cseh , G. Csörnyei , O. Hanyecz , B. Ignácz , Cs. Kalup , R. Könyves-Tóth , L. Kriskovics , A. Ordasi , I. Rajmon , A. Sódor , R. Szabó , R. Szakáts , G. Zsidi , P. Milne , J. E. Andrews , N. Smith , C. Bilinski , P. J. Brown , J. Nordin , S. C. Williams , L. Galbany , J. Palmerio , I. M. Hook , C. Inserra , K. Maguire , Régis Cartier , A. Razza , C. P. Gutiérrez , J. J. Hermes , J. S. Reding , B. C. Kaiser , J. L. Tonry , A. N. Heinze , L. Denneau , H. Weiland , B. Stalder , G. Barentsen , J. Dotson , T. Barclay , M. Gully-Santiago , C. Hedges , A. M. Cody , S. Howell , J. Coughlin , J. E. Van Cleve , J. Vinícius de Miranda Cardoso , K. A. Larson , K. M. McCalmont-Everton , C. A. Peterson , S. E. Ross , L. H. Reedy , D. Osborne , C. McGinn , L. Kohnert , L. Migliorini , A. Wheaton , B. Spencer , C. Labonde , G. Castillo , G. Beerman , K. Steward , M. Hanley , R. Larsen , R. Gangopadhyay , R. Kloetzel , T. Weschler , V. Nystrom , J. Moffatt , M. Redick , K. Griest , M. Packard , M. Muszynski , J. Kampmeier , R. Bjella , S. Flynn , B. Elsaesser

Spectroscopy of Type Ia Supernovae by the Carnegie Supernova Project

This is the first release of optical spectroscopic data of low-redshift Type Ia supernovae (SNe Ia) by the Carnegie Supernova Project including 604 previously unpublished spectra of 93 SNe Ia. The observations cover a range of phases from…

Cosmology and Nongalactic Astrophysics · Physics 2015-02-05 Gastón Folatelli , Nidia Morrell , Mark M. Phillips , Eric Hsiao , Abdo Campillay , Carlos Contreras , Sergio Castellón , Mario Hamuy , Wojtek Krzeminski , Miguel Roth , Maximilian Stritzinger , Christopher R. Burns , Wendy L. Freedman , Barry F. Madore , David Murphy , S. E. Persson , José L. Prieto , Nicholas B. Suntzeff , Kevin Krisciunas , Joseph P. Anderson , Francisco Förster , José Maza , Giuliano Pignata , P. Andrea Rojas , Luis Boldt , Francisco Salgado , Pamela Wyatt , Felipe Olivares E. , Avishay Gal-Yam , Masao Sako

Early observations of the nearby type Ia supernova SN 2015F

We present photometry and time-series spectroscopy of the nearby type Ia supernova (SN Ia) SN 2015F over $-16$ days to $+80$ days relative to maximum light, obtained as part of the Public ESO Spectroscopic Survey of Transient Objects…

Solar and Stellar Astrophysics · Physics 2016-12-07 R. Cartier , M. Sullivan , R. Firth , G. Pignata , P. Mazzali , K. Maguire , M. J. Childress , I. Arcavi , C. Ashall , B. Bassett , S. M. Crawford , C. Frohmaier , L. Galbany , A. Gal-Yam , G. Hosseinzadeh , D. A. Howell , C. Inserra , J. Johansson , E. K. Kasai , C. McCully , S. Prajs , S. Prentice , S. Schulze , S. J. Smartt , K. W. Smith , M. Smith , S. Valenti , D. R. Young

The Hubble Space Telescope Cluster Supernova Survey: V. Improving the Dark Energy Constraints Above z>1 and Building an Early-Type-Hosted Supernova Sample

We present ACS, NICMOS, and Keck AO-assisted photometry of 20 Type Ia supernovae SNe Ia from the HST Cluster Supernova Survey. The SNe Ia were discovered over the redshift interval 0.623 < z < 1.415. Fourteen of these SNe Ia pass our strict…

Cosmology and Nongalactic Astrophysics · Physics 2012-08-21 N. Suzuki , D. Rubin , C. Lidman , G. Aldering , R. Amanullah , K. Barbary , L. F. Barrientos , J. Botyanszki , M. Brodwin , N. Connolly , K. S. Dawson , A. Dey , M. Doi , M. Donahue , S. Deustua , P. Eisenhardt , E. Ellingson , L. Faccioli , V. Fadeyev , H. K. Fakhouri , A. S. Fruchter , D. G. Gilbank , M. D. Gladders , G. Goldhaber , A. H. Gonzalez , A. Goobar , A. Gude , T. Hattori , H. Hoekstra , E. Hsiao , X. Huang , Y. Ihara , M. J. Jee , D. Johnston , N. Kashikawa , B. Koester , K. Konishi , M. Kowalski , E. V. Linder , L. Lubin , J. Melbourne , J. Meyers , T. Morokuma , F. Munshi , C. Mullis , T. Oda , N. Panagia , S. Perlmutter , M. Postman , T. Pritchard , J. Rhodes , P. Ripoche , P. Rosati , D. J. Schlegel , A. Spadafora , S. A. Stanford , V. Stanishev , D. Stern , M. Strovink , N. Takanashi , K. Tokita , M. Wagner , L. Wang , N. Yasuda , H. K. C. Yee

Late-time Flattening of Type Ia Supernova Light Curves: Constraints From SN 2014J in M82

The very nearby Type Ia supernova 2014J in M82 offers a rare opportunity to study the physics of thermonuclear supernovae at extremely late phases ($\gtrsim$800 days). Using the Hubble Space Telescope (HST), we obtained six epochs of high…

Solar and Stellar Astrophysics · Physics 2018-01-24 Yi Yang , Lifan Wang , Dietrich Baade , Peter J. Brown , Aleksandar Cikota , Misty Cracraft , Peter A. Hoflich , Justyn Maund , Ferdinando Patat , William B. Sparks , Jason Spyromilio , Heloise F. Stevance , Xiaofeng Wang , J. Craig Wheeler