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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.

Dr Aayush Saxena

Postdoctoral Research Assistant

Research theme

  • Astronomy and astrophysics

Sub department

  • Astrophysics

Research groups

  • Cosmology
  • Galaxy formation and evolution
aayush.saxena@physics.ox.ac.uk
Denys Wilkinson Building, room 558
Aayush Saxena's website
  • About
  • Publications

The ionizing photon production efficiency at z ∼ 6 for Lyman-alpha emitters using JEMS and MUSE

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 523:4 (2023) 5468-5486

Authors:

C Simmonds, S Tacchella, M Maseda, CC Williams, WM Baker, CEC Witten, BD Johnson, B Robertson, A Saxena, F Sun, J Witstok, R Bhatawdekar, K Boyett, AJ Bunker, S Charlot, E Curtis-Lake, E Egami, DJ Eisenstein, Z Ji, R Maiolino, L Sandles, R Smit, H Übler, CJ Willott
More details from the publisher

Nitrogen enhancements 440 Myr after the big bang: supersolar N/O, a tidal disruption event, or a dense stellar cluster in GN-z11?

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 523:3 (2023) 3516-3525

Authors:

Alex J Cameron, Harley Katz, Martin P Rey, Aayush Saxena
More details from the publisher

JADES: The production and escape of ionizing photons from faint Lyman-alpha emitters in the epoch of reionization

ArXiv 2306.04536 (2023)

Authors:

Aayush Saxena, Andrew J Bunker, Gareth C Jones, Daniel P Stark, Alex J Cameron, Joris Witstok, Santiago Arribas, William M Baker, Stefi Baum, Rachana Bhatawdekar, Rebecca Bowler, Kristan Boyett, Stefano Carniani, Stephane Charlot, Jacopo Chevallard, Mirko Curti, Emma Curtis-Lake, Daniel J Eisenstein, Ryan Endsley, Kevin Hainline, Jakob M Helton, Benjamin D Johnson, Nimisha Kumari, Tobias J Looser, Roberto Maiolino, Marcia Rieke, Hans-Walter Rix, Brant E Robertson, Lester Sandles, Charlotte Simmonds, Renske Smit, Sandro Tacchella, Christina C Williams, Christopher NA Willmer, Chris Willott
Details from ArXiV

Identification and properties of intense star-forming galaxies at redshifts z > 10

Nature Astronomy Springer Nature 7:5 (2023) 611-621

Authors:

BE Robertson, S Tacchella, BD Johnson, K Hainline, L Whitler, DJ Eisenstein, R Endsley, M Rieke, DP Stark, S Alberts, A Dressler, E Egami, R Hausen, G Rieke, I Shivaei, CC Williams, CNA Willmer, S Arribas, N Bonaventura, A Bunker, AJ Cameron, S Carniani, S Charlot, J Chevallard, M Curti, E Curtis-Lake, F D’Eugenio, P Jakobsen, TJ Looser, N Lützgendorf, R Maiolino, MV Maseda, T Rawle, H-W Rix, R Smit, H Übler, C Willott, J Witstok, S Baum, R Bhatawdekar, K Boyett, Z Chen, A de Graaff, M Florian, JM Helton, RE Hviding, Z Ji, N Kumari, J Lyu, E Nelson, L Sandles, A Saxena, KA Suess, F Sun, M Topping, IEB Wallace
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Spectroscopic confirmation of four metal-poor galaxies at z = 10.3–13.2

Nature Astronomy Springer Nature 7:5 (2023) 622-632

Authors:

Emma Curtis-Lake, Stefano Carniani, Alex Cameron, Stephane Charlot, Peter Jakobsen, Roberto Maiolino, Andrew Bunker, Joris Witstok, Renske Smit, Jacopo Chevallard, Chris Willott, Pierre Ferruit, Santiago Arribas, Nina Bonaventura, Mirko Curti, Francesco D’Eugenio, Marijn Franx, Giovanna Giardino, Tobias J Looser, Nora Lützgendorf, Michael V Maseda, Tim Rawle, Hans-Walter Rix, Bruno Rodríguez del Pino, Hannah Übler, Marco Sirianni, Alan Dressler, Eiichi Egami, Daniel J Eisenstein, Ryan Endsley, Kevin Hainline, Ryan Hausen, Benjamin D Johnson, Marcia Rieke, Brant Robertson, Irene Shivaei, Daniel P Stark, Sandro Tacchella, Christina C Williams, Christopher NA Willmer, Rachana Bhatawdekar, Rebecca Bowler, Kristan Boyett, Zuyi Chen, Anna de Graaff, Jakob M Helton, Raphael E Hviding, Gareth C Jones, Nimisha Kumari, Jianwei Lyu, Erica Nelson, Michele Perna, Lester Sandles, Aayush Saxena, Katherine A Suess, Fengwu Sun, Michael W Topping, Imaan EB Wallace, Lily Whitler
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