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Black Hole

Lensing of space time around a black hole. At Oxford we study black holes observationally and theoretically on all size and time scales - it is some of our core work.

Credit: ALAIN RIAZUELO, IAP/UPMC/CNRS. CLICK HERE TO VIEW MORE IMAGES.

Michele Cappellari

Professor of Astrophysics

Research theme

  • Astronomy and astrophysics

Sub department

  • Astrophysics

Research groups

  • Galaxy formation and evolution
  • Extremely Large Telescope
michele.cappellari@physics.ox.ac.uk
Telephone: 01865 (2)73647
Denys Wilkinson Building, room 755
  • About
  • Publications

The Westerbork Coma Survey: A blind, deep, high-resolution HI survey of the Coma cluster

(2021)

Authors:

D Cs Molnar, P Serra, T van der Hulst, TH Jarrett, A Boselli, L Cortese, J Healy, E de Blok, M Cappellari, KM Hess, GIG Jozsa, RM McDermid, TA Oosterloo, MAW Verheijen
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SDSS-IV MaNGA: Understanding Ionized Gas Turbulence using Integral Field Spectroscopy of 4500 Star-Forming Disk Galaxies

(2021)

Authors:

David R Law, Francesco Belfiore, Matthew A Bershady, Michele Cappellari, Niv Drory, Karen L Masters, Kyle B Westfall, Dmitry Bizyaev, Kevin Bundy, Kaike Pan, Renbin Yan
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The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data

(2021)

Authors:

Abdurro'uf, Katherine Accetta, Conny Aerts, Victor Silva Aguirre, Romina Ahumada, Nikhil Ajgaonkar, N Filiz Ak, Shadab Alam, Carlos Allende Prieto, Andres Almeida, Friedrich Anders, Scott F Anderson, Brett H Andrews, Borja Anguiano, Erik Aquino-Ortiz, Alfonso Aragon-Salamanca, Maria Argudo-Fernandez, Metin Ata, Marie Aubert, Vladimir Avila-Reese, Carles Badenes, Rodolfo H Barba, Kat Barger, Jorge K Barrera-Ballesteros, Rachael L Beaton, Timothy C Beers, Francesco Belfiore, Chad F Bender, Mariangela Bernardi, Matthew A Bershady, Florian Beutler, Christian Moni Bidin, Jonathan C Bird, Dmitry Bizyaev, Guillermo A Blanc, Michael R Blanton, Nicholas Fraser Boardman, Adam S Bolton, Mederic Boquien, Jura Borissova, Jo Bovy, WN Brandt, Jordan Brown, Joel R Brownstein, Marcella Brusa, Johannes Buchner, Kevin Bundy, Joseph N Burchett, Martin Bureau, Adam Burgasser, Tuesday K Cabang, Stephanie Campbell, Michele Cappellari, Joleen K Carlberg, Fabio Carneiro Wanderley, Ricardo Carrera, Jennifer Cash, Yan-Ping Chen, Wei-Huai Chen, Brian Cherinka, Cristina Chiappini, Peter Doohyun Choi, S Drew Chojnowski, Haeun Chung, Nicolas Clerc, Roger E Cohen, Julia M Comerford, Johan Comparat, Luiz da Costa, Kevin Covey, Jeffrey D Crane, Irene Cruz-Gonzalez, Connor Culhane, Katia Cunha, Y Sophia Dai, Guillermo Damke, Jeremy Darling, James W Davidson, Roger Davies, Kyle Dawson, Nathan De Lee, Aleksandar M Diamond-Stanic, Mariana Cano-Diaz, Helena Dominguez Sanchez, John Donor, Chris Duckworth, Tom Dwelly, Daniel J Eisenstein, Yvonne P Elsworth, Eric Emsellem, Mike Eracleous, Stephanie Escoffier, Xiaohui Fan, Emily Farr, Shuai Feng, Jose G Fernandez-Trincado, Diane Feuillet, Andreas Filipp, Sean P Fillingham, Peter M Frinchaboy, Sebastien Fromenteau, Lluis Galbany, Rafael A Garcia, DA Garcia-Hernandez, Junqiang Ge, Doug Geisler, Joseph Gelfand, Tobias Geron, Benjamin J Gibson, Julian Goddy, Diego Godoy-Rivera, Kathleen Grabowski, Paul J Green, Michael Greener, Catherine J Grier, Emily Griffith, Hong Guo, Julien Guy, Massinissa Hadjara, Paul Harding, Sten Hasselquist, Christian R Hayes, Fred Hearty, Jesus Hernandez, Lewis Hill, David W Hogg, Jon A Holtzman, Danny Horta, Bau-Ching Hsieh, Chin-Hao Hsu, Yun-Hsin Hsu, Daniel Huber, Marc Huertas-Company, Brian Hutchinson, Ho Seong Hwang, Hector J Ibarra-Medel, Jacob Ider Chitham, Gabriele S Ilha, Julie Imig, Will Jaekle, Tharindu Jayasinghe, Xihan Ji, Jennifer A Johnson, Amy Jones, Henrik Jonsson, Ivan Katkov, Arman Khalatyan, Karen Kinemuchi, Shobhit Kisku, Johan H Knapen, Jean-Paul Kneib, Juna A Kollmeier, Miranda Kong, Marina Kounkel, Kathryn Kreckel, Dhanesh Krishnarao, Ivan Lacerna, Richard R Lane, Rachel Langgin, Ramon Lavender, David R Law, Daniel Lazarz, Henry W Leung, Ho-Hin Leung, Hannah M Lewis, Cheng Li, Ran Li, Jianhui Lian, Fu-Heng Liang, Lihwai Lin, Yen-Ting Lin, Sicheng Lin, Chris Lintott, Dan Long, Penelope Longa-Pena, Carlos Lopez-Coba, Shengdong Lu, Britt F Lundgren, Yuanze Luo, J Ted Mackereth, Axel de la Macorra, Suvrath Mahadevan, Steven R Majewski, Arturo Manchado, Travis Mandeville, Claudia Maraston, Berta Margalef-Bentabol, Thomas Masseron, Karen L Masters, Savita Mathur, Richard M McDermid, Myles Mckay, Andrea Merloni, Michael Merrifield, Szabolcs Meszaros, Andrea Miglio, Francesco Di Mille, Dante Minniti, Rebecca Minsley, Antonela Monachesi, Jeongin Moon, Benoit Mosser, John Mulchaey, Demitri Muna, Ricardo R Munoz, Adam D Myers, Natalie Myers, Seshadri Nadathur, Preethi Nair, Kirpal Nandra, Justus Neumann, Jeffrey A Newman, David L Nidever, Farnik Nikakhtar, Christian Nitschelm, Julia E O'Connell, Luis Garma-Oehmichen, Gabriel Luan Souza de Oliveira, Richard Olney, Daniel Oravetz, Mario Ortigoza-Urdaneta, Yeisson Osorio, Justin Otter, Zachary J Pace, Nelson Padilla, Kaike Pan, Hsi-An Pan, Taniya Parikh, James Parker, Sebastien Peirani, Karla Pena Ramirez, Samantha Penny, Will J Percival, Ismael Perez-Fournon, Marc Pinsonneault, Frederick Poidevin, Vijith Jacob Poovelil, Adrian M Price-Whelan, Anna Barbara de Andrade Queiroz, M Jordan Raddick, Amy Ray, Sandro Barboza Rembold, Nicole Riddle, Rogemar A Riffel, Rogerio Riffel, Hans-Walter Rix, Annie C Robin, Aldo Rodriguez-Puebla, Alexandre Roman-Lopes, Carlos Roman-Zuniga, Benjamin Rose, Ashley J Ross, Graziano Rossi, Kate HR Rubin, Mara Salvato, Sebastian F Sanchez, Jose R Sanchez-Gallego, Robyn Sanderson, Felipe Antonio Santana Rojas, Edgar Sarceno, Regina Sarmiento, Conor Sayres, Elizaveta Sazonova, Adam L Schaefer, Ricardo Schiavon, David J Schlegel, Donald P Schneider, Mathias Schultheis, Axel Schwope, Aldo Serenelli, Javier Serna, Zhengyi Shao, Griffin Shapiro, Anubhav Sharma, Yue Shen, Matthew Shetrone, Yiping Shu, Joshua D Simon, MF Skrutskie, Rebecca Smethurst, Verne Smith, Jennifer Sobeck, Taylor Spoo, Dani Sprague, David V Stark, Keivan G Stassun, Matthias Steinmetz, Dennis Stello, Alexander Stone-Martinez, Thaisa Storchi-Bergmann, Guy S Stringfellow, Amelia Stutz, Yung-Chau Su, Manuchehr Taghizadeh-Popp, Michael S Talbot, Jamie Tayar, Eduardo Telles, Johanna Teske, Ani Thakar, Christopher Theissen, Daniel Thomas, Andrew Tkachenko, Rita Tojeiro, Hector Hernandez Toledo, Nicholas W Troup, Jonathan R Trump, James Trussler, Jacqueline Turner, Sarah Tuttle, Eduardo Unda-Sanzana, Jose Antonio Vazquez-Mata, Marica Valentini, Octavio Valenzuela, Jaime Vargas-Gonzalez, Mariana Vargas-Magana, Pablo Vera Alfaro, Sandro Villanova, Fiorenzo Vincenzo, David Wake, Jack T Warfield, Jessica Diane Washington, Benjamin Alan Weaver, Anne-Marie Weijmans, David H Weinberg, Achim Weiss, Kyle B Westfall, Vivienne Wild, Matthew C Wilde, John C Wilson, Robert F Wilson, Mikayla Wilson, Julien Wolf, WM Wood-Vasey, Renbin Yan, Olga Zamora, Gail Zasowski, Kai Zhang, Cheng Zhao, Zheng Zheng, Zheng Zheng, Kai Zhu
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Erratum: “Resolved Nuclear Kinematics Link the Formation and Growth of Nuclear Star Clusters with the Evolution of Their Early and Late-type Hosts” (2021, ApJ, 921, 8)

The Astrophysical Journal American Astronomical Society 923:2 (2021) 283

Authors:

Francesca Pinna, Nadine Neumayer, Anil Seth, Eric Emsellem, Dieu D Nguyen, Torsten Böker, Michele Cappellari, Richard M McDermid, Karina Voggel, C Jakob Walcher
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SDSS-IV MaStar: Theoretical atmospheric parameters for the MaNGA stellar library

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) (2021)

Authors:

Lewis Hill, Daniel Thomas, Claudia Maraston, Renbin Yan, Justus Neumann, Andrew Lundgren, Daniel Lazarz, Yan-Ping Chen, Michele Cappellari, Jon A Holtzman, Julie Imig, Katia Cunha, Guy Stringfellow, Dmitry Bizyaev, David R Law, Keivan G Stassun, Niv Drory, Michael Merrifield, Timothy C Beers

Abstract:

Abstract We calculate the fundamental stellar parameters effective temperature, surface gravity and iron abundance - Teff, log g, [Fe/H] - for the final release of the Mapping Nearby Galaxies at APO (MaNGA) Stellar Library (MaStar), containing 59,266 per-visit-spectra for 24,290 unique stars at intermediate resolution (R ∼ 1800) and high S/N (median = 96). We fit theoretical spectra from model atmospheres by both MARCS and BOSZ-ATLAS9 to the observed MaStar spectra, using the full spectral fitting code pPXF. We further employ a Bayesian approach, using a Markov Chain Monte Carlo (MCMC) technique to map the parameter space and obtain uncertainties. Originally in this paper, we cross match MaStar observations with Gaia photometry, which enable us to set reliable priors and identify outliers according to stellar evolution. In parallel to the parameter determination, we calculate corresponding stellar population models to test the reliability of the parameters for each stellar evolutionary phase. We further assess our procedure by determining parameters for standard stars such as the Sun and Vega and by comparing our parameters with those determined in the literature from high-resolution spectroscopy (APOGEE and SEGUE) and from lower-resolution matching template (LAMOST). The comparisons, considering the different methodologies and S/N of the literature surveys, are favourable in all cases. Our final parameter catalogue for MaStar cover the following ranges: 2592 ≤ Teff ≤ 32983 K; −0.7 ≤ log g ≤5.4 dex; −2.9 ≤ [Fe/H] ≤1.0 dex and will be available with the last SDSS-IV Data Release, in December 2021.
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