H
Hanna Sai
Researcher at Tsinghua University
Publications - 39
Citations - 620
Hanna Sai is an academic researcher from Tsinghua University. The author has contributed to research in topics: Supernova & Light curve. The author has an hindex of 10, co-authored 31 publications receiving 432 citations.
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Journal ArticleDOI
OPTICAL OBSERVATIONS OF THE TYPE IA SUPERNOVA SN 2011fe IN M101 FOR NEARLY 500 DAYS
Kaicheng Zhang,Xiaofeng Wang,Jujia Zhang,Tianmeng Zhang,Mohan Ganeshalingam,Weidong Li,Alexei V. Filippenko,Xulin Zhao,WeiKang Zheng,Jin-Ming Bai,J. Chen,Juncheng Chen,Fang Huang,Fang Huang,Jun Mo,Liming Rui,Hao Song,Hanna Sai,Wenxiong Li,Lifan Wang,Chao Wu +20 more
TL;DR: In this article, the authors present well-sampled optical observations of the bright Type Ia supernova (SN~Ia) SN 2011fe in M101, and derive the contribution of UV/NIR emission relative to the optical.
Journal ArticleDOI
Photometric and Spectroscopic Properties of Type Ia Supernova 2018oh with Early Excess Emission from the Kepler 2 Observations
Wenxiong Li,Wenxiong Li,Xiaofeng Wang,Jozsef Vinko,Jozsef Vinko,Jun Mo,Griffin Hosseinzadeh,Griffin Hosseinzadeh,Griffin Hosseinzadeh,David J. Sand,Jujia Zhang,Han Lin,Tianmeng Zhang,Long Wang,Long Wang,Zhihao Chen,Danfeng Xiang,Liming Rui,Fang Huang,Fang Huang,Xue Li,Xiaojia Zhang,Linyi Li,E. Baron,James M. DerKacy,Xulin Zhao,Hanna Sai,Kaicheng Zhang,Kaicheng Zhang,Dale Andrew Howell,Dale Andrew Howell,Curtis McCully,Iair Arcavi,Iair Arcavi,Iair Arcavi,Stefano Valenti,Daichi Hiramatsu,Daichi Hiramatsu,J. Burke,J. Burke,A. Rest,A. Rest,Peter M. Garnavich,Brad E. Tucker,Gautham Narayan,Edward J. Shaya,S. Margheim,A. Zenteno,A. Villar,Georgios Dimitriadis,R. J. Foley,Yen-Chen Pan,David A. Coulter,Ori D. Fox,Saurabh Jha,D. O. Jones,Dan Kasen,Dan Kasen,Charles D. Kilpatrick,Anthony L. Piro,Adam G. Riess,Adam G. Riess,César Rojas-Bravo,Benjamin J. Shappee,Thomas W.-S. Holoien,Krzysztof Z. Stanek,Maria R. Drout,Katie Auchettl,Christopher S. Kochanek,J. S. Brown,Subhash Bose,D. Bersier,J. Brimacombe,Ping Chen,Subo Dong,S. Holmbo,J. A. Muñoz,Robert L. Mutel,R. S. Post,J. L. Prieto,J. V. Shields,D. Tallon,Todd A. Thompson,Patrick J. Vallely,Steven Villanueva,Stephen J. Smartt,K. W. Smith,K. C. Chambers,H. Flewelling,Mark E. Huber,E. A. Magnier,C. Z. Waters,A. S. B. Schultz,Joanna Bulger,T. B. Lowe,Mark Willman,Krisztián Sárneczky,András Pál,John C Wheeler,John C Wheeler,Attila Bódi,Zs. Bognár,B. Csák,B. Cseh,G. Csörnyei,O. Hanyecz,Bernadett Ignácz,Cs. Kalup,Réka Könyves-Tóth,Levente Kriskovics,A. Ordasi,I. Rajmon,Ádám Sódor,R. Szabó,Róbert Szakáts,G. Zsidi,Peter A. Milne,Jennifer E. Andrews,Nathan Smith,Christopher Bilinski,Peter J. Brown,Jakob Nordin,Steven Williams,Lluís Galbany,J. Palmerio,Isobel Hook,Cosimo Inserra,Kate Maguire,Régis Cartier,A. Razza,A. Razza,Claudia P. Gutiérrez,J. J. Hermes,Joshua S. Reding,B. C. Kaiser,John L. Tonry,A. N. Heinze,L. Denneau,H. Weiland,B. Stalder,Geert Barentsen,Jessie L. Dotson,Thomas Barclay,Thomas Barclay,Michael Gully-Santiago,Christina Hedges,Ann Marie Cody,Steve B. Howell,Jeffrey L. Coughlin,Jeffrey L. Coughlin,J. Van Cleve,J. Van Cleve,J. Vinicius de Miranda Cardoso,J. Vinicius 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. M. Larsen,R. Gangopadhyay,R. Kloetzel,T. Weschler,V. Nystrom,J. Moffatt,M. Redick,Kim Griest,M. Packard,M. Muszynski,J. Kampmeier,R. Bjella,S. Flynn,B. Elsaesser +183 more
TL;DR: The first spectroscopically confirmed type Ia supernova (ASASSN-18bt) was observed in the Kepler field by Dimitriadis et al. as mentioned in this paper.
Journal ArticleDOI
Optical Observations of the Type Ia Supernova 2011fe in M101 for Nearly 500 Days
Kaicheng Zhang,Xiaofeng Wang,Jujia Zhang,Tianmeng Zhang,Mohan Ganeshalingam,Wei Li,Alexei V. Filippenko,Xulin Zhao,WeiKang Zheng,Jin-Ming Bai,J. Chen,Juncheng Chen,Fang Huang,Jun Mo,Liming Rui,Hao Song,Hanna Sai,Wenxiong Li,Lifan Wang,Chao Wu +19 more
TL;DR: In this paper, the authors present well-sampled optical observations of the bright Type Ia supernova (SN~Ia) SN 2011fe in M101, and derive the contribution of UV/NIR emission relative to the optical.
Journal ArticleDOI
The silicon and calcium high-velocity features in type Ia supernovae from early to maximum phases
Xulin Zhao,Xulin Zhao,Xiaofeng Wang,Keiichi Maeda,Keiichi Maeda,Hanna Sai,Tianmeng Zhang,Jujia Zhang,Fang Huang,Fang Huang,Liming Rui,Qi Zhou,Jun Mo +12 more
TL;DR: In this article, the authors examined the high-velocity features (HVFs) in optical spectra of type Ia supernovae (SNe Ia) with a large sample including very early-time spectra (e.g., t < -7 days).
Journal ArticleDOI
Evidence for Late-stage Eruptive Mass Loss in the Progenitor to SN2018gep, a Broad-lined Ic Supernova: Pre-explosion Emission and a Rapidly Rising Luminous Transient
Anna Y. Q. Ho,Daniel A. Goldstein,Steve Schulze,David K. Khatami,Daniel A. Perley,Mattias Ergon,Avishay Gal-Yam,Alessandra Corsi,Igor Andreoni,Cristina Barbarino,Eric C. Bellm,N. Blagorodnova,Joe Bright,Eric Burns,S. Bradley Cenko,S. Bradley Cenko,Virginia Cunningham,Kaushik De,Richard Dekany,Alison Dugas,Rob Fender,Claes Fransson,Christoffer Fremling,Adam Goldstein,Matthew J. Graham,David Hale,Assaf Horesh,Tiara Hung,Mansi M. Kasliwal,N. Paul M. Kuin,Shrinivas R. Kulkarni,Thomas Kupfer,Ragnhild Lunnan,Frank J. Masci,Chow-Choong Ngeow,Peter Nugent,Eran O. Ofek,Maria T. Patterson,Glen Petitpas,Ben Rusholme,Hanna Sai,Itai Sfaradi,David L. Shupe,Jesper Sollerman,Maayane T. Soumagnac,Yutaro Tachibana,Francesco Taddia,Richard Walters,Xiaofeng Wang,Yuhan Yao,X. Zhang +50 more
TL;DR: Ho et al. as discussed by the authors presented detailed observations of ZTF18abukavn (SN2018gep), which was discovered in high-cadence data from the Zwicky Transient Facility as a rapidly rising (1.4 ± 0.1 mag hr-1) and luminous (Mg, peak = -20 mag) transient.