相关论文: Early emission lines in SN 2024ggi revealed by hig…

SN 2024ggi in NGC 3621: Rising Ionization in a Nearby, CSM-Interacting Type II Supernova

We present UV/optical/NIR observations and modeling of supernova (SN) 2024ggi, a type II supernova (SN II) located in NGC 3621 at 7.2 Mpc. Early-time ("flash") spectroscopy of SN 2024ggi within +0.8 days of discovery shows emission lines of…

高能天体物理现象 · 物理学 2024-06-27 W. V. Jacobson-Galán , K. W. Davis , C. D. Kilpatrick , L. Dessart , R. Margutti , R. Chornock , R. J. Foley , P. Arunachalam , K. Auchettl , C. R. Bom , R. Cartier , D. A. Coulter , G. Dimitriadis , D. Dickinson , M. R. Drout , A. T. Gagliano , C. Gall , B. Garretson , L. Izzo , D. O. Jones , N. LeBaron , H. -Y. Miao , D. Milisavljevic , Y. -C. Pan , A. Rest , C. Rojas-Bravo , A. Santos , H. Sears , B. M. Subrayan , K. Taggart , S. Tinyanont

Discovery and Extensive Follow-Up of SN 2024ggi, a nearby type IIP supernova in NGC 3621

We present the discovery and early observations of the nearby Type II supernova (SN) 2024ggi in NGC 3621 at 6.64 +/- 0.3 Mpc. The SN was caught 5.8 (+1.9 -2.9) hours after its explosion by the ATLAS survey. Early-phase, high-cadence, and…

高能天体物理现象 · 物理学 2024-06-14 Ting-Wan Chen , Sheng Yang , Shubham Srivastav , Takashi J. Moriya , Stephen J. Smartt , Sofia Rest , Armin Rest , Hsing Wen Lin , Hao-Yu Miao , Yu-Chi Cheng , Amar Aryan , Chia-Yu Cheng , Morgan Fraser , Li-Ching Huang , Meng-Han Lee , Cheng-Han Lai , Yu Hsuan Liu , Aiswarya Sankar. K , Ken W. Smith , Heloise F. Stevance , Ze-Ning Wang , Joseph P. Anderson , Charlotte R. Angus , Thomas de Boer , Kenneth Chambers , Hao-Yuan Duan , Nicolas Erasmus , Hua Gao , Joanna Herman , Wei-Jie Hou , Hsiang-Yao Hsiao , Mark E. Huber , Chien-Cheng Lin , Hung-Chin Lin , Eugene A. Magnier , Ka Kit Man , Thomas Moore , Chow-Choong Ngeow , Matt Nicholl , Po-Sheng Ou , Giuliano Pignata , Yu-Chien Shiau , Julian Silvester Sommer , John L. Tonry , Xiao-Feng Wang , David R. Young , You-Ting Yeh , Jujia Zhang

Extended Shock Breakout and Early Circumstellar Interaction in SN 2024ggi

We present high-cadence photometric and spectroscopic observations of supernova (SN) 2024ggi, a Type II SN with flash spectroscopy features which exploded in the nearby galaxy NGC 3621 at $\sim$7 Mpc. The light-curve evolution over the…

高能天体物理现象 · 物理学 2024-08-02 Manisha Shrestha , K. Azalee Bostroem , David J. Sand , Griffin Hosseinzadeh , Jennifer E. Andrews , Yize Dong , Emily Hoang , Daryl Janzen , Jeniveve Pearson , Jacob E. Jencson , M. J. Lundquist , Darshana Mehta , Aravind P. Ravi , Nicolas Meza Retamal , Stefano Valenti , Peter J. Brown , Saurabh W. Jha , Colin Macrie , Brian Hsu , Joseph Farah , D. Andrew Howell , Curtis McCully , Megan Newsome , Estefania Padilla Gonzalez , Craig Pellegrino , Giacomo Terreran , Lindsey Kwok , Nathan Smith , Michaela Schwab , Aidan Martas , Ricardo R. Munoz , Gustavo E. Medina , Ting S. Li , Paula Diaz , Daichi Hiramatsu , Brad E. Tucker , J. C. Wheeler , Xiaofeng Wang , Qian Zhai , Jujia Zhang , Anjasha Gangopadhyay , Yi Yang , Claudia P. Gutierez

SN 2024ggi: another year, another striking Type II supernova

SN 2024ggi is a Type II supernova that exploded in the nearby galaxy NGC 3621 at a distance of approximately 7 Mpc, making it one of the closest supernovae of the decade. This SN shows clear signs of interaction with a dense circumstellar…

高能天体物理现象 · 物理学 2025-07-02 K. Ertini , T. A. Regna , L. Ferrari , M. C. Bersten , G. Folatelli , A. Mendez Llorca , E. Fernández-Lajús , G. A. Ferrero , E. Hueichapán Díaz , R. Cartier , L. M. Román Aguilar , C. Putkuri , M. P. Piccirilli , S. A. Cellone , J. Moreno , M. Orellana , J. L. Prieto , M. Gerlach , V. Acosta , M. J. Ritacco , J. C. Schujman , J. Valdéz

SN 2024gy: Multi-epoch Spectroscopic Features Suggestive of Delayed Detonation in a Type Ia Supernova

We present photometric and spectroscopic observations of SN 2024gy, a Type Ia supernova (SN Ia) exhibiting high-velocity features (HVFs) in its early-time spectra. This SN reaches a peak $B$-band magnitude of $-19.25 \pm 0.29$ mag and…

高能天体物理现象 · 物理学 2025-10-31 Liping Li , Zhenyu Wang , Jialian Liu , Yu Pan , Alexei V. Filippenko , Jujia Zhang , Xiaofeng Wang , Brajesh Kumar , Yi Yang , Thomas G. Brink , WeiKang Zheng , Xiangcun Meng , Lingzhi Wang , Zeyi Zhao , Qian Zhai , Yongzhi Cai , Giuliano Pignata , Xinlei Chen , Xingzhu Zou , Jiewei Zhao , Xiangkun Liu , Xiaowei Liu , Xinzhong Er , A. Reguitti , R. Michael Rich , Jon M. Rees , Mark A. Croom , Osmin Caceres , K. Itagaki , Bo Wang , Jinming Bai

Probing the Shock Breakout Signal of SN 2024ggi from the Transformation of Early Flash Spectroscopy

We present early-time, hour-to-day cadence spectroscopy of the nearby type II supernova (SN II) 2024ggi, which was discovered at a phase when the SN shock just emerged from the red-supergiant (RSG) progenitor star. Over the first few days…

高能天体物理现象 · 物理学 2024-07-23 Jujia Zhang , Luc Dessart , Xiaofeng Wang , Qian Zhai , Yi Yang , Liping Li , Han Lin , Giorgio Valerin , Yongzhi Cai , Zhen Guo , Lingzhi Wang , Zeyi Zhao , Zhenyu Wang , Shengyu Yan

SN 2024aecx: A double-peaked rapidly evolving Type IIb supernova at 11 Mpc

We present the results of low-resolution spectroscopic and densely sampled multi-band photometric follow-up of supernova (SN) 2024aecx. The SN was discovered in the spiral galaxy NGC 3521 (distance $\sim$11 Mpc) within a day after the…

高能天体物理现象 · 物理学 2025-11-12 Xingzhu Zou , Brajesh Kumar , Rishabh Singh Teja , D. K. Sahu , Xinlei Chen , Avinash Singh , Weikang Lin , Xiangkun Liu , Dezi Liu , Hrishav Das , Mridweeka Singh , G. C. Anupama , Yu Pan , Guowang Du , Helong Guo , Tao Wang , Xufeng Zhu , Jujia Zhang , Yuan Fang , Chenxu Liu , Kaushik Chatterjee , Yuan-Pei Yang , Liping Li , Qian Zhai , Edoardo P. Lagioia , Xueling Du , Xinzhong Er , Jianhui Lian , Ziwei Li , Shiyan Zhong , Xiaowei Liu

Early-phase simultaneous multiband observations of the Type II supernova SN 2024ggi with Mephisto

We present early-phase good-cadence (hour-to-day) simultaneous multiband ($ugi$ and $vrz$ bands) imaging of the nearby supernova SN~2024ggi, which exploded in the nearby galaxy, NGC 3621. A quick follow-up was conducted within less than a…

高能天体物理现象 · 物理学 2024-08-06 Xinlei Chen , Brajesh Kumar , Xinzhong Er , Helong Guo , Yuan-Pei Yang , Weikang Lin , Yuan Fang , Guowang Du , Chenxu Liu , Jiewei Zhao , Tianyu Zhang , Yuxi Bao , Xingzhu Zou , Yu Pan , Yu Wang , Xufeng Zhu , Kaushik Chatterjee , Xiangkun Liu , Dezi Liu , Edoardo P. Lagioia , Geeta Rangwal , Shiyan Zhong , Jinghua Zhang , Jianhui Lian , Yongzhi Cai , Yangwei Zhang , Xiaowei Liu

SN 2024iss: A Multi-Wavelength Expos\'e of a Type IIb Supernova with an Early-Time Ultraviolet Spectrum and Shock Breakout Constraints

We present multi-wavelength observations and a comprehensive analysis of the nearby (D$\sim$14 Mpc) Type IIb supernova (SN IIb) 2024iss. Observations of SN2024iss include an early ZTF detection at $\sim$40 minutes after first light and the…

高能天体物理现象 · 物理学 2026-03-31 Rujula Yete , Wynn Jacobson-Galan , Ferdinand Ferdinand , Luc Dessart , Mansi Kasliwal , Kyle Davis , Anthony Piro , Victoria Villar , Igor Andreoni , Katie Auchettl , Kenneth Chambers , Ryan Chornock , Michael Coughlin , David Coulter , Richard Dekany , Ryan Foley , Ori Fox , Lluís Galbany , Christa Gall , Anjasha Gangopadhyay , Jared Goldberg , Gowri Govindaraj , Xinze Guo , Mark Huber , Joahan Jaimes , Jenna Karcheski , Ravjit Kaur , Charles Kilpatrick , Russ Laher , Natalie LeBaron , Chien-Cheng Lin , Raffaella Margutti , Yen-Chen Pan , Kishore Patra , Haille Perkins , Priscila Pessi , Oleksandra Pyshna , Armin Rest , Sara Romagnoli , Steve Schulze , Huei Sears , Aidan Sedgewick , Matthew Siebert , Avinash Singh , Jesper Sollerman , Niharika Sravan , Samaporn Tinyanont , Richard Wainscoat , Qinan Wang , Daniel Warshofsky , Yuhan Yao , Yossef Zenati

An optical to infrared study of type II SN2024ggi at nebular times

We present 0.3-21mic observations at ~275d and ~400d for Type II supernova (SN) 2024ggi, combining ground-based optical and near-infrared data from the Keck I/II telescopes and space-based infrared data from the James Webb Space Telescope.…

太阳与恒星天体物理 · 物理学 2026-01-14 Luc Dessart , Rubina Kotak , Wynn Jacobson-Galan , Kaustav Das , Christoffer Fremling , Mansi Kasliwal , Yu-Jing Qin , Sam Rose

The nebular phase of SN 2024ggi: a low-mass progenitor with no signs of interaction

Context: SN 2024ggi is a Type II supernova (SN) discovered in the nearby galaxy NGC 3621 (D $\approx6.7\pm0.d$ Mpc) on 2024 April 03.21 UT. Its proximity enabled a detailed investigation of the SN's properties and its progenitor star. This…

太阳与恒星天体物理 · 物理学 2025-11-05 L. Ferrari , G. Folatelli , K. Ertini , H. Kuncarayakti , T. Regna , M. C. Bersten , C. Ashall , E. Baron , C. R. Burns , L. Galbany , W. B. Hoogendam , K. Maeda , K. Medler , N. I. Morrell , B. Shappee , M. D. Stritzinger , H. Xiao

Optical Observations of the Rapidly Expanding Type Ia Supernova 2007gi

We present optical photometry and spectra for the Type Ia supernova (SN Ia) 2007gi in the nearby galaxy NGC 4036. SN 2007gi is characterized by extremely high-velocity (HV) features of the intermediate-mass elements (Si, Ca, and S), with…

太阳与恒星天体物理 · 物理学 2015-05-14 T. Zhang , X. Wang , W. Li , A. V. Filippenko , L. Wang , X. Zhou , P. J. Brown , J. M. Silverman , T. N. Steele , M. Ganeshalingam , J. Li , J. Deng , T. Li , Y. Qiu , M. Zhai , R. Shang

Asymmetries and Circumstellar Interaction in the Type II SN 2024bch

We present a comprehensive multi-epoch photometric and spectroscopic study of SN 2024bch, a nearby (19.9 Mpc) Type II supernova (SN) with prominent early high ionization emission lines. Optical spectra from 2.9 days after the estimated…

高能天体物理现象 · 物理学 2025-01-31 Jennifer E. Andrews , Manisha Shrestha , K. Azalee Bostroem , Yize Dong , Jeniveve Pearson , M. M. Fausnaugh , David J. Sand , S. Valenti , Aravind P. Ravi , Emily Hoang , Griffin Hosseinzadeh , Ilya Ilyin , Daryl Janzen , M. J. Lundquist , Nicolaz Meza , Nathan Smith , Saurabh W. Jha , Moira Andrews , Joseph Farah , Estefania Padilla Gonzalez , D. Andrew Howell , Curtis McCully , Megan Newsome , Craig Pellegrino , Giacomo Terreran , Patrick Wiggins , Brian Hsu , Collin T. Christy , Noah Franz , Xiofeng Wang , Jialian Liu , Liyang Chen

The Very Young Type Ia Supernova 2012cg: Discovery and Early-Time Follow-Up Observations

On 2012 May 17.2 UT, only 1.5 +/- 0.2 d after explosion, we discovered SN 2012cg, a Type Ia supernova (SN Ia) in NGC 4424 (d ~ 15 Mpc). As a result of the newly modified strategy employed by the Lick Observatory SN Search, a sequence of…

宇宙学与河外天体物理 · 物理学 2015-06-05 Jeffrey M. Silverman , Mohan Ganeshalingam , S. Bradley Cenko , Alexei V. Filippenko , Weidong Li , Aaron J. Barth , Daniel J. Carson , Michael Childress , Kelsey I. Clubb , Antonino Cucchiara , Melissa L. Graham , G. H. Marion , My L. Nguyen , Liuyi Pei , Brad E. Tucker , Jozsef Vinko , J. Craig Wheeler , Gabor Worseck

Early and Extensive Ultraviolet Through Near Infrared Observations of the Intermediate-Luminosity Type Iax Supernovae 2024pxl

We present ultraviolet (UV) through near-infrared (NIR) photometric and spectroscopic observations of the nearby SN 2024pxl, the third Type Ia supernova (SN Ia) in NGC 6384. SN 2024pxl is a Type Iax supernova (SN Iax) with an intermediate…

高能天体物理现象 · 物理学 2025-08-28 W. B. Hoogendam , C. Ashall , D. O. Jones , B. J. Shappee , M. A. Tucker , M. E. Huber , K. Auchettl , D. D. Desai , A. Do , J. T. Hinkle , M. Y. Kong , S. Romagnoli , J. Shi , A. Syncatto , C. D. Kilpatrick

SN 2024abfo: a partially stripped SN II from a yellow supergiant

We present photometric and spectroscopic data of the type IIb supernova (SN) 2024abfo in NGC 1493 (at 11 Mpc). The ATLAS survey discovered the object just a few hours after the explosion, and observed a fast rise on the first day. Signs of…

高能天体物理现象 · 物理学 2025-06-11 A. Reguitti , A. Pastorello , S. J. Smartt , G. Valerin , G. Pignata , S. Campana , T. -W. Chen , A. Sankar. K. , S. Moran , P. A. Mazzali , J. Duarte , I. Salmaso , J. P. Anderson , C. Ashall , S. Benetti , M. Gromadzki , C. P. Gutierrez , C. Humina , C. Inserra , E. Kankare , T. Kravtsov , T. E. Muller-Bravo , P. J. Pessi , J. Sollerman , D. R. Young , K. Chambers , T. de Boer , H. Gao , M. Huber , C. -C. Lin , T. Lowe , E. Magnier , P. Minguez , I. A. Smith , K. W. Smith , S. Srivastav , R. Wainscoat , M. Benedet

WFST Supernovae in the First Year: II. SN 2024aedt: Systematical Study of a Transitional Type Ia Supernova

We present comprehensive photometric and spectroscopic observations of a transitional type Ia SN 2024aedt, discovered by the 2.5-meter Wide Field Survey Telescope (WFST) within one day of the explosion. Its light curve is characterized by a…

高能天体物理现象 · 物理学 2026-02-20 Dezheng Meng , Ji-an Jiang , Xu Kong , Zelin Xu , Keiichi Maeda , Hanindyo Kuncarayakti , Lluís Galbany , Saurabh W. Jha , Željko Ivezić , Peter Yoachim , Weiyu Wu , Zhengyan Liu , Junhan Zhao , Andrew J. Connolly , Ziqing Jia , Lei Hu , Weiyu Ding , Lulu Fan , Feng Li , Ming Liang , Jinlong Tang , Zhen Wan , Hairen Wang , Jian Wang , Yongquan Xue , Hongfei Zhang , Wen Zhao , Xianzhong Zheng , Qingfeng Zhu

Photometry and Spectroscopy of SN 2024pxl: A Luminosity Link Among Type Iax Supernovae

We present extensive ultraviolet to optical photometric and optical to near-infrared (NIR) spectroscopic follow-up observations of the nearby intermediate-luminosity ($M_V = -16.81\pm0.19$~mag) Type Iax supernova (SN) 2024pxl in NGC 6384.…

高能天体物理现象 · 物理学 2026-02-04 Mridweeka Singh , Lindsey A. Kwok , Saurabh W. Jha , R. Dastidar , Conor Larison , Alexei V. Filippenko , Jennifer E. Andrews , Moira Andrews , G. C. Anupama , Prasiddha Arunachalam , Katie Auchettl , Dominik BÁnhidi , Barnabas Barna , K. Azalee Bostroem , Thomas G. Brink , RÉgis Cartier , Ping Chen , Collin T. Christy , David A. Coulter , Sofia Covarrubias , Kyle W. Davis , Connor B. Dickinson , Yize Dong , Joseph Farah , Andreas FlÖrs , Ryan J. Foley , Noah Franz , Christoffer Fremling , LluÍs Galbany , Anjasha Gangopadhyay , Aarna Garg , Elinor L. Gates , Or Graur , Alexa C. Gordon , Daichi Hiramatsu , Emily Hoang , D. Andrew Howell , Brian Hsu , Joel Johansson , Arti Joshi , Lordrick A. Kahinga , Ravjit Kaur , Sahana Kumar , Piramon Kumnurdmanee , Hanindyo Kuncarayakti , Natalie Lebaron , C. Lidman , Chang Liu , Keiichi Maeda , Kate Maguire , Bailey Martin , Curtis Mccully , Darshana Mehta , Luca M. Menotti , Anne J. Metevier , A. A. Miller , Kuntal Misra , C. Tanner Murphey , Megan Newsome , Estefania Padilla Gonzalez , Kishore C. Patra , Jeniveve Pearson , Anthony L. Piro , Abigail Polin , Aravind P. Ravi , Armin Rest , Nabeel Rehemtulla , Nicolas Meza Retamal , O. M. Robinson , CÉsar Rojas-Bravo , Devendra K. Sahu , David J. Sand , Brian P. Schmidt , Steve Schulze , Michaela Schwab , Manisha Shrestha , Matthew R. Siebert , Sunil Simha , Nathan Smith , Jesper Sollerman , Shubham Srivastav , Bhagya M. Subrayan , TamÁs Szalai , Kirsty Taggart , Rishabh Singh Teja , Jacco H. Terwel , Samaporn Tinyanont , Stefano Valenti , JÓzsef VinkÓ , Aya L. Westerling , J. Craig Wheeler , Yi Yang , Weikang Zheng

H.E.S.S. observations of SN 2024ggi

Supernova (SN) explosions interacting with dense circumstellar medium are considered to be very promising sites for efficient cosmic-ray (CR) acceleration and subsequent emission of neutral-pion-decay gamma rays. These environments share…

高能天体物理现象 · 物理学 2025-10-06 Jowita Borowska-Naguszewska , Robert Brose , Bernardo Cornejo , Jonathan Mackey , Robert Daniel Parsons , Fabian Schüssler

Very Early Ultraviolet and Optical Observations of the Type Ia Supernova 2009ig

Supernova (SN) 2009ig was discovered 17 hours after explosion by the Lick Observatory Supernova Search, promptly classified as a normal Type Ia SN (SN Ia), peaked at V = 13.5 mag, and was equatorial, making it one of the foremost supernovae…

太阳与恒星天体物理 · 物理学 2015-05-30 Ryan J. Foley , P. J. Challis , A. V. Filippenko , M. Ganeshalingam , W. Landsman , W. Li , G. H. Marion , J. M. Silverman , R. L. Beaton , V. N. Bennert , S. B. Cenko , M. Childress , P. Guhathakurta , L. Jiang , J. S. Kalirai , R. P. Kirshner , A. Stockton , E. Tollerud , J. Vinko , J. C. Wheeler , J. -H. Woo