Zobrazeno 1 - 10
of 199
pro vyhledávání: '"D. R. YOUNG"'
Autor:
J. H. Gillanders, L. Rhodes, S. Srivastav, F. Carotenuto, J. Bright, M. E. Huber, H. F. Stevance, S. J. Smartt, K. C. Chambers, T.-W. Chen, R. Fender, A. Andersson, A. J. Cooper, P. G. Jonker, F. J. Cowie, T. de Boer, N. Erasmus, M. D. Fulton, H. Gao, J. Herman, C.-C. Lin, T. Lowe, E. A. Magnier, H.-Y. Miao, P. Minguez, T. Moore, C.-C. Ngeow, M. Nicholl, Y.-C. Pan, G. Pignata, A. Rest, X. Sheng, I. A. Smith, K. W. Smith, J. L. Tonry, R. J. Wainscoat, J. Weston, S. Yang, D. R. Young
Publikováno v:
The Astrophysical Journal Letters, Vol 969, Iss 1, p L14 (2024)
Fast X-ray Transients (FXTs) are extragalactic bursts of soft X-rays first identified ≳10 yr ago. Since then, nearly 40 events have been discovered, although almost all of these have been recovered from archival Chandra and XMM-Newton data. To date
Externí odkaz:
https://doaj.org/article/6dc6bb0d50cd4afc97000b07c37b86ac
Autor:
M. Pursiainen, G. Leloudas, S. Schulze, P. Charalampopoulos, C. R. Angus, J. P. Anderson, F. Bauer, T.-W. Chen, L. Galbany, M. Gromadzki, C. P. Gutiérrez, C. Inserra, J. Lyman, T. E. Müller-Bravo, M. Nicholl, S. J. Smartt, L. Tartaglia, P. Wiseman, D. R. Young
Publikováno v:
The Astrophysical Journal Letters, Vol 959, Iss 1, p L10 (2023)
SN 2023emq is a fast-evolving transient initially classified as a rare Type Icn supernova (SN), interacting with a H- and He-free circumstellar medium (CSM) around maximum light. Subsequent spectroscopy revealed the unambiguous emergence of narrow He
Externí odkaz:
https://doaj.org/article/b2387c258f9a449293de36f619415c14
Autor:
Shubham Srivastav, T. Moore, M. Nicholl, M. R. Magee, S. J. Smartt, M. D. Fulton, S. A. Sim, J. M. Pollin, L. Galbany, C. Inserra, A. Kozyreva, Takashi J. Moriya, F. P. Callan, X. Sheng, K. W. Smith, J. S. Sommer, J. P. Anderson, M. Deckers, M. Gromadzki, T. E. Müller-Bravo, G. Pignata, A. Rest, D. R. Young
Publikováno v:
The Astrophysical Journal Letters, Vol 956, Iss 2, p L34 (2023)
We present optical photometric and spectroscopic observations of the 02es-like type Ia supernova (SN) 2022ywc. The transient occurred in the outskirts of an elliptical host galaxy and showed a striking double-peaked light curve with an early excess f
Externí odkaz:
https://doaj.org/article/fc0161952c554de3a5563511b4151686
Autor:
T. Moore, S. J. Smartt, M. Nicholl, S. Srivastav, H. F. Stevance, D. B. Jess, S. D. T. Grant, M. D. Fulton, L. Rhodes, S. A. Sim, R. Hirai, P. Podsiadlowski, J. P. Anderson, C. Ashall, W. Bate, R. Fender, C. P. Gutiérrez, D. A. Howell, M. E. Huber, C. Inserra, G. Leloudas, L. A. G. Monard, T. E. Müller-Bravo, B. J. Shappee, K. W. Smith, G. Terreran, J. Tonry, M. A. Tucker, D. R. Young, A. Aamer, T.-W. Chen, F. Ragosta, L. Galbany, M. Gromadzki, L. Harvey, P. Hoeflich, C. McCully, M. Newsome, E. P. Gonzalez, C. Pellegrino, P. Ramsden, M. Pérez-Torres, E. J. Ridley, X. Sheng, J. Weston
Publikováno v:
The Astrophysical Journal Letters, Vol 956, Iss 1, p L31 (2023)
We present multiwavelength photometry and spectroscopy of SN 2022jli, an unprecedented Type Ic supernova discovered in the galaxy NGC 157 at a distance of ≈ 23 Mpc. The multiband light curves reveal many remarkable characteristics. Peaking at a mag
Externí odkaz:
https://doaj.org/article/1ba282d5f0ba477db2dfc16ecf34bc1a
Autor:
M. Nicholl, S. Srivastav, M. D. Fulton, S. Gomez, M. E. Huber, S. R. Oates, P. Ramsden, L. Rhodes, S. J. Smartt, K. W. Smith, A. Aamer, J. P. Anderson, F. E. Bauer, E. Berger, T. de Boer, K. C. Chambers, P. Charalampopoulos, T.-W. Chen, R. P. Fender, M. Fraser, H. Gao, D. A. Green, L. Galbany, B. P. Gompertz, M. Gromadzki, C. P. Gutiérrez, D. A. Howell, C. Inserra, P. G. Jonker, M. Kopsacheili, T. B. Lowe, E. A. Magnier, C. McCully, S. L. McGee, T. Moore, T. E. Müller-Bravo, M. Newsome, E. Padilla Gonzalez, C. Pellegrino, T. Pessi, M. Pursiainen, A. Rest, E. J. Ridley, B. J. Shappee, X. Sheng, G. P. Smith, G. Terreran, M. A. Tucker, J. Vinkó, R. J. Wainscoat, P. Wiseman, D. R. Young
Publikováno v:
The Astrophysical Journal Letters, Vol 954, Iss 1, p L28 (2023)
We present the discovery and extensive follow-up of a remarkable fast-evolving optical transient, AT 2022aedm, detected by the Asteroid Terrestrial impact Last Alert Survey (ATLAS). In the ATLAS o band, AT 2022aedm exhibited a rise time of 9 ± 1 day
Externí odkaz:
https://doaj.org/article/9e536d8b3d6e4799b622d317b29c44e2
Autor:
Shubham Srivastav, S. J. Smartt, M. E. Huber, G. Dimitriadis, K. C. Chambers, Michael D. Fulton, Thomas Moore, F. P. Callan, James H. Gillanders, K. Maguire, M. Nicholl, Luke J. Shingles, S. A. Sim, K. W. Smith, J. P. Anderson, Thomas de Boer, Ting-Wan Chen, Hua Gao, D. R. Young
Publikováno v:
The Astrophysical Journal Letters, Vol 943, Iss 2, p L20 (2023)
We present observations and analysis of the hostless and luminous Type Ia supernova 2022ilv, illustrating it is part of the 2003fg-like family, often referred to as super-Chandrasekhar (Ia-SC) explosions. The Asteroid Terrestrial-impact Last Alert Sy
Externí odkaz:
https://doaj.org/article/18da7743d8ad44b0b35a2b654d79dae0
Autor:
M. D. Fulton, S. J. Smartt, L. Rhodes, M. E. Huber, V. A. Villar, T. Moore, S. Srivastav, A. S. B. Schultz, K. C. Chambers, L. Izzo, J. Hjorth, T.-W. Chen, M. Nicholl, R. J. Foley, A. Rest, K. W. Smith, D. R. Young, S. A. Sim, J. Bright, Y. Zenati, T. de Boer, J. Bulger, J. Fairlamb, H. Gao, C.-C. Lin, T. Lowe, E. A. Magnier, I. A. Smith, R. Wainscoat, D. A. Coulter, D. O. Jones, C. D. Kilpatrick, P. McGill, E. Ramirez-Ruiz, K.-S. Lee, G. Narayan, V. Ramakrishnan, R. Ridden-Harper, A. Singh, Q. Wang, A. K. H. Kong, C.-C. Ngeow, Y.-C. Pan, S. Yang, K. W. Davis, A. L. Piro, C. Rojas-Bravo, J. Sommer, S. K. Yadavalli
Publikováno v:
The Astrophysical Journal Letters, Vol 946, Iss 1, p L22 (2023)
We present extensive optical photometry of the afterglow of GRB 221009A. Our data cover 0.9–59.9 days from the time of Swift and Fermi gamma-ray burst (GRB) detections. Photometry in rizy -band filters was collected primarily with Pan-STARRS and su
Externí odkaz:
https://doaj.org/article/da56fce7e8d241779c80176e5350a774
Autor:
Jeniveve Pearson, David J. Sand, Peter Lundqvist, Lluís Galbany, Jennifer E. Andrews, K. Azalee Bostroem, Yize Dong, Emily Hoang, Griffin Hosseinzadeh, Daryl Janzen, Jacob E. Jencson, Michael J. Lundquist, Darshana Mehta, Nicolás Meza Retamal, Manisha Shrestha, Stefano Valenti, Samuel Wyatt, Joseph P. Anderson, Chris Ashall, Katie Auchettl, Eddie Baron, Stéphane Blondin, Christopher R. Burns, Yongzhi Cai, Ting-Wan Chen, Laura Chomiuk, David A. Coulter, Dane Cross, Kyle W. Davis, Thomas de Jaeger, James M. DerKacy, Dhvanil D. Desai, Georgios Dimitriadis, Aaron Do, Joseph R. Farah, Ryan J. Foley, Mariusz Gromadzki, Claudia P. Gutiérrez, Joshua Haislip, Jonay I. González Hernández, Jason T. Hinkle, Willem B. Hoogendam, D. Andrew Howell, Peter Hoeflich, Eric Hsiao, Mark E. Huber, Saurabh W. Jha, Cristina Jiménez Palau, Charles D. Kilpatrick, Vladimir Kouprianov, Sahana Kumar, Lindsey A. Kwok, Conor Larison, Natalie LeBaron, Xavier Le Saux, Jing Lu, Curtis McCully, Tycho Mera Evans, Peter Milne, Maryam Modjaz, Nidia Morrell, Tomás E. Müller-Bravo, Megan Newsome, Matt Nicholl, Estefania Padilla Gonzalez, Anna V. Payne, Craig Pellegrino, Kim Phan, Jonathan Pineda-García, Anthony L. Piro, Lara Piscarreta, Abigail Polin, Daniel E. Reichart, César Rojas-Bravo, Stuart D. Ryder, Irene Salmaso, Michaela Schwab, Melissa Shahbandeh, Benjamin J. Shappee, Matthew R. Siebert, Nathan Smith, Jay Strader, Kirsty Taggart, Giacomo Terreran, Samaporn Tinyanont, M. A. Tucker, Giorgio Valerin, D. R. Young
Publikováno v:
The Astrophysical Journal, Vol 960, Iss 1, p 29 (2023)
We present optical, infrared, ultraviolet, and radio observations of SN 2022xkq, an underluminous fast-declining Type Ia supernova (SN Ia) in NGC 1784 ( D ≈ 31 Mpc), from
Externí odkaz:
https://doaj.org/article/0d3724b4428e48fe8aa08876a4a65aba
Autor:
Zhitong Li, Tianmeng Zhang, Xiaofeng Wang, Jujia Zhang, Lluís Galbany, Alexei V. Filippenko, Thomas G. Brink, Chris Ashall, WeiKang Zheng, Thomas de Jaeger, Fabio Ragosta, Maxime Deckers, Mariusz Gromadzki, D. R. Young, Gaobo Xi, Juncheng Chen, Xulin Zhao, Hanna Sai, Shengyu Yan, Danfeng Xiang, Zhihao Chen, Wenxiong Li, Bo Wang, Hu Zou, Jipeng Sui, Jiali Wang, Jun Ma, Jundan Nie, Suijian Xue, Xu Zhou, Zhimin Zhou
Publikováno v:
The Astrophysical Journal, Vol 950, Iss 1, p 17 (2023)
We have conducted photometric and spectroscopic observations of the peculiar Type Ia supernova (SN Ia) 2016ije that was discovered through the Tsinghua-NAOC Transient Survey. This peculiar object exploded in the outskirts of a metal-poor, low-surface
Externí odkaz:
https://doaj.org/article/02cb7d07c7794d0b8150a31d68c136bf
Autor:
P Wiseman, Y Wang, S Hönig, N Castro-Segura, P Clark, C Frohmaier, M D Fulton, G Leloudas, M Middleton, T E Müller-Bravo, A Mummery, M Pursiainen, S J Smartt, K Smith, M Sullivan, J P Anderson, J A Acosta Pulido, P Charalampopoulos, M Banerji, M Dennefeld, L Galbany, M Gromadzki, C P Gutiérrez, N Ihanec, E Kankare, A Lawrence, B Mockler, T Moore, M Nicholl, F Onori, T Petrushevska, F Ragosta, S Rest, M Smith, T Wevers, R Carini, T-W Chen, K Chambers, H Gao, M Huber, C Inserra, E Magnier, L Makrygianni, M Toy, F Vincentelli, D R Young
Publikováno v:
Wiseman, P, Wang, Y, Honig, S, Castro-Segura, N, Clark, P, Frohmaier, C, Fulton, M D, Leloudas, G, Middleton, M, Muller-Bravo, T E, Mummery, A, Pursiainen, M, Smartt, S J, Smith, K, Sullivan, M, Anderson, J P, Acosta Pulido, J A, Charalampopoulos, P, Banerji, M, Dennefeld, M, Galbany, L, Gromadzki, M, Gutierrez, C P, Ihanec, N, Kankare, E, Lawrence, A, Mockler, B, Moore, T, Nicholl, M, Onori, F, Petrushevska, T, Ragosta, F, Rest, S, Smith, M, Wevers, T, Carini, R, Chen, T W, Chambers, K, Gao, H, Huber, M, Inserra, C, Magnier, E, Makrygianni, L, Toy, M, Vincentelli, F & Young, D R 2023, ' Multiwavelength observations of the extraordinary accretion event AT2021lwx ', Monthly Notices of the Royal Astronomical Society, vol. 522, no. 3, pp. 3992-4002 . https://doi.org/10.1093/mnras/stad1000
Wiseman, P, Wang, Y, Hönig, S, Castro-Segura, N, Clark, P, Frohmaier, C, Fulton, M D, Leloudas, G, Middleton, M, Müller-Bravo, T E, Mummery, A, Pursiainen, M, Smartt, S J, Smith, K, Sullivan, M, Anderson, J P, Pulido, J A A, Charalampopoulos, P, Banerji, M, Dennefeld, M, Galbany, L, Gromadzki, M, Gutiérrez, C P, Ihanec, N, Kankare, E, Lawrence, A, Mockler, B, Moore, T, Nicholl, M, Onori, F, Petrushevska, T, Ragosta, F, Rest, S, Smith, M, Wevers, T, Carini, R, Chen, T-W, Chambers, K, Gao, H, Huber, M, Inserra, C, Magnier, E, Makrygianni, L, Toy, M, Vincentelli, F & Young, D R 2023, ' Multiwavelength observations of the extraordinary accretion event AT2021lwx ', Monthly Notices of the Royal Astronomical Society, vol. 522, no. 3, 3992–4002 . https://doi.org/10.1093/mnras/stad1000
Wiseman, P, Wang, Y, Hönig, S, Castro-Segura, N, Clark, P, Frohmaier, C, Fulton, M D, Leloudas, G, Middleton, M, Müller-Bravo, T E, Mummery, A, Pursiainen, M, Smartt, S J, Smith, K, Sullivan, M, Anderson, J P, Pulido, J A A, Charalampopoulos, P, Banerji, M, Dennefeld, M, Galbany, L, Gromadzki, M, Gutiérrez, C P, Ihanec, N, Kankare, E, Lawrence, A, Mockler, B, Moore, T, Nicholl, M, Onori, F, Petrushevska, T, Ragosta, F, Rest, S, Smith, M, Wevers, T, Carini, R, Chen, T-W, Chambers, K, Gao, H, Huber, M, Inserra, C, Magnier, E, Makrygianni, L, Toy, M, Vincentelli, F & Young, D R 2023, ' Multiwavelength observations of the extraordinary accretion event AT2021lwx ', Monthly Notices of the Royal Astronomical Society, vol. 522, no. 3, 3992–4002 . https://doi.org/10.1093/mnras/stad1000
We present observations from X-ray to mid-infrared wavelengths of the most energetic non-quasar transient ever observed, AT2021lwx. Our data show a single optical brightening by a factor $>100$ to a luminosity of $7\times10^{45}$ erg s$^{-1}$, and a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5928d80421fd16f18763ce4fd3d7d802
https://doi.org/10.1093/mnras/stad1000
https://doi.org/10.1093/mnras/stad1000