Zobrazeno 1 - 10
of 314
pro vyhledávání: '"Wainscoat, Richard"'
Autor:
Moore, Thomas, Gillanders, James, Nicholl, Matt, Huber, Mark, Smartt, Stephen, Srivastav, Shubham, Stevance, Heloise, Chen, Ting-Wan, Chambers, Kenneth, Anderson, Joseph, Fulton, Michael, Oates, Samantha, Angus, Charlotte, Pignata, Giuliano, Erasmus, Nicolas, Gao, Hua, Bulger, Joanna, Lin, Chien-Cheng, Lowe, Thomas, Magnier, Eugene, Minguez, Paloma, Ngeow, Chow-Choong, Sheng, Xinyue, Sim, Stuart A., Smith, Ken, Wainscoat, Richard, Yang, Sheng, Young, David, Zeng, Kuang-Jie
Most stripped envelope supernova progenitors are formed through binary interaction, losing hydrogen and/or helium from their outer layers. An emerging class of supernovae with the highest degree of envelope-stripping are thought to be the product of
Externí odkaz:
http://arxiv.org/abs/2405.13596
Autor:
Tucker, Michael A., Hinkle, Jason, Angus, Charlotte R., Auchettl, Katie, Hoogendam, Willem B., Shappee, Benjamin, Kochanek, Christopher S., Ashall, Chris, de Boer, Thomas, Chambers, Kenneth C., Desai, Dhvanil D., Do, Aaron, Fulton, Michael D., Gao, Hua, Herman, Joanna, Huber, Mark, Lidman, Chris, Lin, Chien-Cheng, Lowe, Thomas B., Magnier, Eugene A., Martin, Bailey, Minguez, Paloma, Nicholl, Matt, Pursiainen, Miika, Smartt, S. J., Smith, Ken W., Srivastav, Shubham, Tucker, Brad E., Wainscoat, Richard J.
We present extensive observations of the Type II supernova (SN II) 2023ufx which is likely the most metal-poor SN II observed to-date. It exploded in the outskirts of a low-metallicity ($Z_{\rm host} \sim 0.1~Z_\odot$) dwarf ($M_g = -13.23\pm0.15$~ma
Externí odkaz:
http://arxiv.org/abs/2405.00113
We identified a new ultra-distant comet C/2019 E3 (ATLAS) exhibiting preperihelion cometary activity at heliocentric distances $\gtrsim\!20$ au, making it the fourth member of this population after C/2010 U3 (Boattini), C/2014 UN$_{271}$ (Bernardinel
Externí odkaz:
http://arxiv.org/abs/2401.04414
Autor:
Lilly, Eva, Jevčák, Peter, Schambeau, Charles, Volk, Kat, Steckloff, Jordan, Hsieh, Henry, Fernandez, Yanga R., Bauer, James, Weryk, Robert, Wainscoat, Richard J.
We present a dynamical study of 39 active Centaurs and 17 high-perihelion (q$>$4.5 au) JFCs with a focus on investigating recent orbital changes as potential triggers for comet-like activity. We have identified a common feature in the recent dynamica
Externí odkaz:
http://arxiv.org/abs/2312.06847
Autor:
Ransome, Conor L., Villar, V. Ashley, Tartaglia, Anna, Gonzalez, Sebastian Javier, Jacobson-Galán, Wynn V., Kilpatrick, Charles D., Margutti, Raffaella, Foley, Ryan J., Grayling, Matthew, Ni, Yuan Qi, Yarza, Ricardo, Ye, Christine, Auchettl, Katie, de Boer, Thomas, Chambers, Kenneth C., Coulter, David A., Drout, Maria R., Farias, Diego, Gall, Christa, Gao, Hua, Huber, Mark E., Ibik, Adaeze L., Jones, David O., Khetan, Nandita, Lin, Chien-Cheng, Politsch, Collin A., Raimundo, Sandra I., Rest, Armin, Wainscoat, Richard J., Yadavalli, S. Karthik, Zenati, Yossef
The nearby type II supernova, SN2023ixf in M101 exhibits signatures of early-time interaction with circumstellar material in the first week post-explosion. This material may be the consequence of prior mass loss suffered by the progenitor which possi
Externí odkaz:
http://arxiv.org/abs/2312.04426
Autor:
Kareta, Theodore, Thomas, Cristina, Li, Jian-Yang, Knight, Matthew M., Moskovitz, Nicholas, Rozek, Agata, Bannister, Michele T., Ieva, Simone, Snodgrass, Colin, Pravec, Petr, Ryan, Eileen V., Ryan, William H., Fahnestock, Eugene G., Rivkin, Andrew S., Chabot, Nancy, Fitzsimmons, Alan, Osip, David, Lister, Tim, Sarid, Gal, Hirabayashi, Masatoshi, Farnham, Tony, Tancredi, Gonzalo, Michel, Patrick, Wainscoat, Richard, Weryk, Rob, Burrati, Bonnie, Pittichova, Jana, Ridden-Harper, Ryan, Tan, Nicole J., Tristram, Paul, Brown, Tyler, Bonavita, Mariangela, Burgdorf, Martin, Khalouei, Elahe, Longa, Penelope, Rabus, Markus, Sajadian, Sedighe, Jorgensen, Uffe Graae, Dominik, Martin, Kikwaya, Jean-Baptiste, Epifani, Elena Mazzotta, Dotto, Elisabetta, Deshapriya, J. D. Prasanna, Hasselmann, Pedro H., Dall'Ora, Massimo, Abe, Lyu, Guillot, Tristan, Mekarnia, Djamel, Agabi, Abdelkrim, Bendjoya, Philippe, Suarez, Olga, Triaud, Amaury, Gasparetto, Thomas, Gunther, Maximillian N., Kueppers, Michael, Merin, Bruno, Chatelain, Joseph, Gomez, Edward, Usher, Helen, Stoddard-Jones, Cai, Bartnik, Matthew, Bellaver, Michael, Chetan, Brenna, Dugan, Emma, Fallon, Tori, Fedewa, Jeremy, Gerhard, Caitlyn, Jacobson, Seth A., Painter, Shane, Peterson, David-Michael, Rodriguez, Joseph E., Smith, Cody, Sokolovsky, Kirill V., Sullivan, Hannah, Townley, Kate, Watson, Sarah, Webb, Levi, Trigo-Rodrıguez, Josep M., Llenas, Josep M., Perez-Garcıa, Ignacio, Castro-Tirado, A. J., Vincent, Jean-Baptiste, Migliorini, Alessandra, Lazzarin, Monica, La Forgia, Fiorangela, Ferrari, Fabio, Polakis, Tom, Skiff, Brian
The impact of the DART spacecraft into Dimorphos, moon of the asteroid Didymos, changed Dimorphos' orbit substantially, largely from the ejection of material. We present results from twelve Earth-based facilities involved in a world-wide campaign to
Externí odkaz:
http://arxiv.org/abs/2310.12089
Autor:
Aamer, Aysha, Nicholl, Matt, Jerkstrand, Anders, Gomez, Sebastian, Oates, Samantha R., Smartt, Stephen J., Srivastav, Shubham, Leloudas, Giorgos, Anderson, Joseph P., Berger, Edo, de Boer, Thomas, Chambers, Kenneth, Chen, Ting-Wan, Galbany, Lluís, Gao, Hua, Gompertz, Benjamin P., González-Bañuelos, Maider, Gromadzki, Mariusz, Gutiérrez, Claudia P., Inserra, Cosimo, Lowe, Thomas B., Magnier, Eugene A., Mazzali, Paolo A., Moore, Thomas, Müller-Bravo, Tomás E., Pursiainen, Miika, Rest, Armin, Schulze, Steve, Smith, Ken W., Terwel, Jacco H., Wainscoat, Richard, Young, David R.
Publikováno v:
Volume 527, (2024), Pages 11970-11995
We present a detailed study on SN2019szu, a Type I superluminous supernova at $z=0.213$, that displayed unique photometric and spectroscopic properties. Pan-STARRS and ZTF forced photometry shows a pre-explosion plateau lasting $\sim$ 40 days. Unlike
Externí odkaz:
http://arxiv.org/abs/2307.02487
Autor:
Kilpatrick, Charles D., Izzo, Luca, Bentley, Rory O., Chambers, Kenneth C., Coulter, David A., Drout, Maria R., de Boer, Thomas, Foley, Ryan J., Gall, Christa, Halford, Melissa R., Jones, David O., Langeroodi, Danial, Lin, Chien-Cheng, Magnier, Eugene A., McGill, Peter, O'Grady, Anna J. G., Pan, Yen-Chen, Ramirez-Ruiz, Enrico, Rest, Armin, Swift, Jonathan J., Tinyanont, Samaporn, Villar, V. Ashley, Wainscoat, Richard J., Wasserman, Amanda Rose, Yadavalli, S. Karthik, Yang, Grace
We present optical, ultraviolet, and infrared data of the type II supernova (SN II) 2020jfo at 14.5 Mpc. This wealth of multiwavelength data allows to compare different metrics commonly used to estimate progenitor masses of SN II for the same object.
Externí odkaz:
http://arxiv.org/abs/2307.00550
Autor:
Desai, Dhvanil D., Ashall, Chris, Shappee, Benjamin J., Morrell, Nidia, Galbany, Lluís, Burns, Christopher R., DerKacy, James M., Hinkle, Jason T., Hsiao, Eric, Kumar, Sahana, Lu, Jing, Phillips, Mark M., Shahbandeh, Melissa, Stritzinger, Maximilian D., Baron, Eddie, Bersten, Melina C., Brown, Peter J., de Jaeger, Thomas, Elias-Rosa, Nancy, Folatelli, Gastón, Huber, Mark E., Mazzali, Paolo, Müller-Bravo, Tomás E., Piro, Anthony L., Polin, Abigail, Suntzeff, Nicholas B., Anderson, Joseph P., Chambers, Kenneth C., Chen, Ting-Wan, de Boer, Thomas, Fulton, Michael D., Gao, Hua, Gromadzki, Mariusz, Inserra, Cosimo, Magnier, Eugene A., Nicholl, Matt, Ragosta, Fabio, Wainscoat, Richard, Young, David R.
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 524, Issue 1, September 2023, Pages 767-785
We present photometric and spectroscopic observations and analysis of SN 2021bxu (ATLAS21dov), a low-luminosity, fast-evolving Type IIb supernova (SN). SN 2021bxu is unique, showing a large initial decline in brightness followed by a short plateau ph
Externí odkaz:
http://arxiv.org/abs/2303.13581
Autor:
Hsieh, Henry H., Micheli, Marco, Kelley, Michael S. P., Knight, Matthew M., Moskovitz, Nicholas A., Pittichova, Jana, Sheppard, Scott S., Thirouin, Audrey, Trujillo, Chadwick A., Wainscoat, Richard J., Weryk, Robert J., Ye, Quanzhi
We report observations of nine MBCs or candidate MBCs, most of which were obtained when the targets were apparently inactive. We find effective nucleus radii (assuming albedos of p_V=0.05+/-0.02) of r_n=(0.24+/-0.05) km for 238P/Read, r_n=(0.9+/-0.2)
Externí odkaz:
http://arxiv.org/abs/2302.11689