Black Hole–Halo Mass Relation from UNIONS Weak Lensing

Autor: Qinxun Li, Martin Kilbinger, Wentao Luo, Kai Wang, Huiyuan Wang, Anna Wittje, Hendrik Hildebrandt, Ludovic Van Waerbeke, Michael J. Hudson, Samuel Farrens, Tobías I. Liaudat, Huiling Liu, Ziwen Zhang, Qingqing Wang, Elisa Russier, Axel Guinot, Lucie Baumont, Fabian Hervas Peters, Thomas de Boer, Jiaqi Wang, Alan McConnachie, Jean-Charles Cuillandre, Sébastien Fabbro

Publikováno v: The Astrophysical Journal Letters, Vol 969, Iss 2, p L25 (2024)

This Letter presents, for the first time, direct constraints on the black hole–halo mass relation using weak gravitational-lensing measurements. We construct type I and type II active galactic nucleus (AGN) samples from the Sloan Digital Sky Survey

Externí odkaz: https://doaj.org/article/03b90714ef5e4e34a70a24fb0160c605

SN 2022oqm: A Bright and Multipeaked Calcium-rich Transient

Autor: S. Karthik Yadavalli, V. Ashley Villar, Luca Izzo, Yossef Zenati, Ryan J. Foley, J. Craig Wheeler, Charlotte R. Angus, Dominik Bánhidi, Katie Auchettl, Barna Imre Bíró, Attila Bódi, Zsófia Bodola, Thomas de Boer, Kenneth C. Chambers, Ryan Chornock, David A. Coulter, István Csányi, Borbála Cseh, Srujan Dandu, Kyle W. Davis, Connor Braden Dickinson, Diego Farias, Joseph Farah, Christa Gall, Hua Gao, D. Andrew Howell, Wynn V. Jacobson-Galan, Nandita Khetan, Charles D. Kilpatrick, Réka Könyves-Tóth, Levente Kriskovics, Natalie LeBaron, Kayla Loertscher, X. K. Le Saux, Raffaella Margutti, Eugene A. Magnier, Curtis McCully, Peter McGill, Hao-Yu Miao, Megan Newsome, Estefania Padilla Gonzalez, András Pál, Boróka H. Pál, Yen-Chen Pan, Collin A. Politsch, Conor L. Ransome, Enrico Ramirez-Ruiz, Armin Rest, Sofia Rest, Olivia Robinson, Huei Sears, Jackson Scheer, Ádám Sódor, Jonathan Swift, Péter Székely, Róbert Szakáts, Tamás Szalai, Kirsty Taggart, Giacomo Terreran, Padma Venkatraman, József Vinkó, Grace Yang, Henry Zhou

Publikováno v: The Astrophysical Journal, Vol 972, Iss 2, p 194 (2024)

We present the photometric and spectroscopic evolution of SN 2022oqm, a nearby multipeaked hydrogen- and helium-weak calcium-rich transient (CaRT). SN 2022oqm was detected 13.1 kpc from its host galaxy, the face-on spiral galaxy NGC 5875. Extensive s

Externí odkaz: https://doaj.org/article/4d10aa2627604741a9faa10435a19cd5

Flight of the Bumblebee: the Early Excess Flux of Type Ia Supernova 2023bee Revealed by TESS, Swift, and Young Supernova Experiment Observations

Autor: Qinan Wang, Armin Rest, Georgios Dimitriadis, Ryan Ridden-Harper, Matthew R. Siebert, Mark Magee, Charlotte R. Angus, Katie Auchettl, Kyle W. Davis, Ryan J. Foley, Ori D. Fox, Sebastian Gomez, Jacob E. Jencson, David O. Jones, Charles D. Kilpatrick, Justin D. R. Pierel, Anthony L. Piro, Abigail Polin, Collin A. Politsch, César Rojas-Bravo, Melissa Shahbandeh, V. Ashley Villar, Yossef Zenati, C. Ashall, Kenneth C. Chambers, David A. Coulter, Thomas de Boer, Nico DiLullo, Christa Gall, Hua Gao, Eric Y. Hsiao, Mark E. Huber, Luca Izzo, Nandita Khetan, Natalie LeBaron, Eugene A. Magnier, Kaisey S. Mandel, Peter McGill, Hao-Yu Miao, Yen-Chen Pan, Catherine P. Stevens, Jonathan J. Swift, Kirsty Taggart, Grace Yang

Publikováno v: The Astrophysical Journal, Vol 962, Iss 1, p 17 (2024)

We present high-cadence ultraviolet through near-infrared observations of the Type Ia supernova (SN Ia) 2023bee at D = 32 ± 3 Mpc, finding excess flux in the first days after explosion, particularly in our 10 minutes cadence TESS light curve and Swi

Externí odkaz: https://doaj.org/article/ef3c92af085c4743aec5757c509585b2

Relative Intrinsic Scatter in Hierarchical Type Ia Supernova Sibling Analyses: Application to SNe 2021hpr, 1997bq, and 2008fv in NGC 3147

Autor: Sam M. Ward, Stephen Thorp, Kaisey S. Mandel, Suhail Dhawan, David O. Jones, Kirsty Taggart, Ryan J. Foley, Gautham Narayan, Kenneth C. Chambers, David A. Coulter, Kyle W. Davis, Thomas de Boer, Kaylee de Soto, Nicholas Earl, Alex Gagliano, Hua Gao, Jens Hjorth, Mark E. Huber, Luca Izzo, Danial Langeroodi, Eugene A. Magnier, Peter McGill, Armin Rest, César Rojas-Bravo, Radosław Wojtak, Young Supernova Experiment

Publikováno v: The Astrophysical Journal, Vol 956, Iss 2, p 111 (2023)

We present Young Supernova Experiment grizy photometry of SN 2021hpr, the third Type Ia supernova sibling to explode in the Cepheid calibrator galaxy, NGC 3147. Siblings are useful for improving SN-host distance estimates and investigating their cont

Externí odkaz: https://doaj.org/article/a8b7d9b52c0d4588a19f6edbb62348c5

The luminous type la supernova 2022ilv and its early excess emission

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: Srivastav, S, Smartt, S J, Huber, M E, Dimitriadis, G, Chambers, K C, Fulton, M D, Moore, T, Callan, F P, Gillanders, J H, Maguire, K, Nicholl, M, Shingles, L J, Sim, S A, Smith, K W, Anderson, J P, de Boer, T, Chen, T-W, Gao, H & Young, D R 2023, ' The luminous type la supernova 2022ilv and its early excess emission ', The Astrophysical Journal Letters, vol. 943, no. 2, L20 . https://doi.org/10.3847/2041-8213/acb2ce
Astrophysical Journal Letters

We present observations and analysis of the host-less 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 ATLAS light curve shows evidence of a sh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::014d914856ef1d6ad320c895cdd46dae
https://pure.qub.ac.uk/en/publications/ac2daedc-e464-4cc3-8712-d7de1381a0b9