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Ares Osborn

I'm Ares (they/them), a PhD student in the Astronomy and Astrophysics group at the University of Warwick under the supervision of Dr Dave Armstrong (2019-2023).
I also completed my MSc by Research (2018-19) in the department under the supervision of Dr Daniel Bayliss.

Research Interests

My PhD project will begin by characterising the TESS Object of Interest TOI-431, a system thought to contain 2 planets that has been recently looked at with HARPS. This should hopefully lead to a discovery paper. The long term goal of the project is to use TESS data to study the overall planet population, particularly to study planet occurrence rate as a function of density and hence composition.

My Master's looked at the planet-metallicity correlation - that is, the correlation between a star's metal content and the probability it hosts a (giant) planet. I looked at this correlation specifically for hot Jupiters, a subset of giant planets that are Jupiter-sized, but with orbits around their host stars of only a matter of days. An increasing number of these have been found by transiting exoplanet surveys (for example: WASP, KELT, HAT and HATS), from which I compiled my sample. My findings were accepted for publication by MNRAS in Nov 2019.


Osborn, A. and Bayliss, D., 2019 accepted for publication in MNRAS

The Planet-Metallicity Correlation for Hot Jupiters (arxiv)

Conferences & Workshops

Dec 2018 Birmingham-Warwick Science Day, Warwick, UK [attended]
Feb 2019 Building Habitable Worlds, Kent, UK [attended]
Apr 2019 UK Exoplanet Community Meeting, Imperial College London, UK [poster]
Apr 2019 Trailblazing Women in Physics, Nottingham, UK [attended]
Jun 2019 Standing up for Science, Warwick, UK [attended]
Nov 2019 High Precision Photometry for Exoplanet and Time-Domain Astronomy (RAS Specialist Discussion Meeting), London, UK [attended]
Dec 2019 South East Exoplanet Meeting 1, London, UK [talk]
Jan 2020 LGBT+ STEMinar, Birmingham, UK [poster]

Academic Interests


- I am an organiser of the departmental Planetarium, which is taken out on visits to local schools.
- I gave a talk about my Master's research on the planet-metallicity correlation and being LGBT+ in STEM for the Outthinkers event at the British Science Festival 2019.

PGSSLC (Postgraduate Student Staff Liaison Committee)

- Secretary and Athena Swan Rep, Oct 2018-19
- Wellbeing Rep and Athena Swan Rep, Oct 2019-20

Other Interests


- I am a Warwick LGBTUA+ Supporter.
- I have a prepared talk on gender identity, which I have given at departmental and University society seminars.
- I have raised £360 for Stonewall through 2 Equali-tea events in my department and through Warwick Tabletop Games and Roleplaying Society.
- I organised a Trans Awareness Week bake sale for Mermaids, raising £133.70 with Warwick Tabletop Games and Roleplaying Society.

Warwick Tabletop Games and Roleplaying Society
Exec Roles:

- Secretary 2018-19
- Graphic Design Officer 2019-20
- Magic: the Gathering Draft Rep 2019-20

- I am a regular Magic: the Gathering, board game, and RPG player, and occasionally DM D&D 5e campaigns/one-shots.


- I am a digital illustrator, producing fanart, original illustrations, and commissioned work.
- Tumblr: @dovahbutt
- Twitter: @dovahbuttocks


Write to:

Ares Osborn,
Department of Physics,
University of Warwick,
Coventry CV4 7AL

Contact details:

Office: PS0.16b
Twitter: @aresosborn