K
Kathy Roth
Publications - 46
Citations - 6328
Kathy Roth is an academic researcher. The author has contributed to research in topics: Galaxy & Redshift. The author has an hindex of 28, co-authored 46 publications receiving 6115 citations.
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Journal ArticleDOI
A γ-ray burst at a redshift of z ≈ 8.2
Nial R. Tanvir,D. B. Fox,Andrew J. Levan,Edo Berger,K. Wiersema,Johan P. U. Fynbo,A. Cucchiara,Thomas Krühler,N. Gehrels,Joshua S. Bloom,Jochen Greiner,P. A. Evans,E. Rol,F. Olivares,Jens Hjorth,Pall Jakobsson,Jay Farihi,Richard Willingale,R. L. C. Starling,S. B. Cenko,Daniel A. Perley,Justyn R. Maund,J. Duke,Ralph A. M. J. Wijers,Andy Adamson,A. Allan,Malcolm N. Bremer,David N. Burrows,A. J. Castro-Tirado,B. Cavanagh,A. de Ugarte Postigo,Michael A. Dopita,T. A. Fatkhullin,A. S. Fruchter,Ryan J. Foley,Javier Gorosabel,J. A. Kennea,T. Kerr,S. Klose,Hans A. Krimm,Hans A. Krimm,V. N. Komarova,Shrinivas R. Kulkarni,A. S. Moskvitin,Carole Mundell,Tim Naylor,K. L. Page,Bryan E. Penprase,M. Perri,Philipp Podsiadlowski,Kathy Roth,R. E. Rutledge,T. Sakamoto,Patricia Schady,Brian P. Schmidt,Alicia M. Soderberg,Jesper Sollerman,Jesper Sollerman,Andrew W. Stephens,G. Stratta,T. N. Ukwatta,T. N. Ukwatta,Darach Watson,E. Westra,T. Wold,Christian Wolf +65 more
TL;DR: In this paper, the authors reported that GRB 090423 lies at a redshift of z approximate to 8.2, implying that massive stars were being produced and dying as GRBs similar to 630 Myr after the Big Bang.
Journal ArticleDOI
The afterglow of GRB 050709 and the nature of the short-hard γ-ray bursts
D. B. Fox,D. B. Fox,Dale A. Frail,P. A. Price,Shrinivas R. Kulkarni,Edo Berger,Tsvi Piran,Tsvi Piran,Alicia M. Soderberg,Stephen Bradley Cenko,P. B. Cameron,Avishay Gal-Yam,Mansi M. Kasliwal,D.-S. Moon,Fiona A. Harrison,Ehud Nakar,Brian P. Schmidt,Bryan E. Penprase,Roger A. Chevalier,Pawan Kumar,Kathy Roth,Darach Watson,Brian L. Lee,Stephen A. Shectman,Mark M. Phillips,Miguel Roth,Patrick J. McCarthy,Michael Rauch,L. L. Cowie,Bruce A. Peterson,Joshua Rich,Nobuyuki Kawai,Kazuhiro Aoki,G. Kosugi,Tomonori Totani,H-S Park,Andrew MacFadyen,Kevin Hurley +37 more
TL;DR: In this article, the X-ray afterglow of a short-hard burst, GRB 050709, was found to be associated with a star-forming galaxy at redshift z = 0.160.
Journal ArticleDOI
A Photometric Redshift of z ~ 9.4 for GRB 090429B
A. Cucchiara,A. Cucchiara,A. Cucchiara,Andrew J. Levan,D. B. Fox,Nial R. Tanvir,T. N. Ukwatta,T. N. Ukwatta,Edo Berger,Thomas Krühler,A. Küpcü Yoldas,A. Küpcü Yoldas,Xue-Feng Wu,Xue-Feng Wu,Kenji Toma,Jochen Greiner,F. E. Olivares,Antonia Rowlinson,Lorenzo Amati,T. Sakamoto,Kathy Roth,Andrew W. Stephens,Alexander Fritz,Johan P. U. Fynbo,Jens Hjorth,D. Malesani,Pall Jakobsson,K. Wiersema,P. T. O'Brien,Alicia M. Soderberg,Ryan J. Foley,A. S. Fruchter,James E. Rhoads,R. E. Rutledge,Brian P. Schmidt,Michael A. Dopita,P. Podsiadlowski,Richard Willingale,Christian Wolf,Shrinivas R. Kulkarni,P. D'Avanzo +40 more
TL;DR: In this article, the authors presented a photometric redshift of 9.4 for the Swift detected GRB 090429B based on deep observations with Gemini-North, the Very Large Telescope, and the GRB Optical and Near-infrared Detector.
Journal ArticleDOI
The afterglow and elliptical host galaxy of the short gamma-ray burst GRB 050724.
Edo Berger,P. A. Price,S. B. Cenko,Avishay Gal-Yam,Alicia M. Soderberg,Mansi M. Kasliwal,Douglas C. Leonard,P. B. Cameron,Dale A. Frail,Shrinivas R. Kulkarni,D W Murphy,Wojtek Krzeminski,Tsvi Piran,Brian L. Lee,Kathy Roth,D.-S. Moon,Derek B. Fox,Fiona A. Harrison,S. E. Persson,Brian P. Schmidt,Bryan E. Penprase,Joshua Rich,Bruce A. Peterson,L. L. Cowie +23 more
TL;DR: In this paper, the authors reported the discovery of the first radio afterglow from the short burst GRB 050724, which unambiguously associates it with an elliptical galaxy at a redshift z = 0.257.
Journal ArticleDOI
Cosmic Star Formation History and Its Dependence on Galaxy Stellar Mass
Stéphanie Juneau,Stéphanie Juneau,Karl Glazebrook,David Crampton,Patrick J. McCarthy,Sandra Savaglio,Roberto Abraham,Raymond G. Carlberg,Hsiao-Wen Chen,Damien Le Borgne,Ronald O. Marzke,Kathy Roth,Inger Jorgensen,Isobel Hook,Richard Murowinski +14 more
TL;DR: In this paper, the authors examined the cosmic star formation rate and its dependence on galaxy stellar mass over the redshift range 0.8 1010.8 to 1.5 and showed that the formation era for galaxies was extended and proceeded from high-to low-mass systems.