Personal profile
Opportunities
Postgraduate Opportunities
There are severeal opportunities available for postgraduate study (PhD or MSc by Research) in the areas of extra-solar planets or time-domain astronomy.
For details on current projects in the area of extra-solar planet research please look at current exoplanet research within the JBCA Pulsars, Exoplanets and Transients group..
Please contact me by email if you would like further information.
My group
Research Groups
- Exoplanet research within the JBCA Pulsars, Exoplanets and Transients group
Biography
Some selected roles in the last 10 years:
- 2023: European Space Agency (ESA) appointed scientist, NASA Roman Galactic Bulge Time Domain Survey Project Infrastructure Team
- 2023: Lead, Working Group 2 (Survey optimization and exoplanet demographics), Transits in the Roman Exoplanet Survey, NASA-selected WFI Science Survey for the Roman mission
- 2023: Lead, ESA Euclid Exoplanet Science Working Group
- 2022: Member, Committee on Astronomy and Astrophysics, US National Academy of Sciences (1-year appointment)
- Since 2016: Principal Investigator for the Spectroscopy and Phototmetry of Exoplanet Atmospheres Research Network
My current research focuses on the detection of cool exoplanets using microlensing as well as the study of the atmospheres of transiting exoplanets using transmission spectroscopy. I also do some work on developing game-theory based strategies for the Search for Extra-terrestrial Intelligence (SETI). I work with ground based optical and near-infrared telescope data, as well as data from space missions such as Kepler, Hubble and the James Webb Space Telescope. I also work on simulations of space-based microlensing and transit surveys for the recently-launched ESA Euclid and the $4.3 billion NASA Roman mission, which is due for launch in late 2026. Roman will spend around 25% of its time undertaking the Galactic Bulge Time Domain Survey, for which I am the ESA-appointed member of the Project Infrastructure Team.
co-author of over 100 peer-reviewed papers in astrophysics.
Frequent live appearances as a space expert on BBC Breakfast as well as on BBC national and World Service radio.
Research interests
My current research focuses on the detection of cool exoplanets using microlensing as well as the study of the atmospheres of transiting exoplanets using transmission spectroscopy. I also do some work on developing game-theory based strategies for the Search for Extra-terrestrial Intelligence (SETI).
I work with ground based optical and near-infrared telescope data, as well as data from space missions such as Kepler, Hubble and the James Webb Space Telescope. I also work on simulations of space-based microlensing and transit surveys for the recently-launched ESA Euclid and the $4.3 billion NASA Roman mission, which is due for launch in late 2026. Roman will spend around 25% of its time undertaking the Galactic Bulge Time Domain Survey, for which I am the ESA-appointed member of the Project Infrastructure Team.
Some recent highlights:
- Principal Investigator of an STFC-funded study that used the NASA Kepler space telescope to make the first space-based discovery of an exoplanet using the microlensing technique. The same study has also uncovered evidence for a population of Earth-mass exoplanets that may not even be bound to any host star (so-called free-floating planets).
- The SPEARNET survey, whch I co-lead, has made a new measurment of the water vapour content of exoplanet HAT-P-26b.
- My SPEARNET team has developed new tools to combine Hubble and James Webb space telescope data and used it to study the atmosphere of WASP-96b.
- My team at Manchester has developed MaBulS, the most detailed public simulator of Galactic microlensing. The simulator has been used to help improve our understanding of the structure of the inner Galaxy, as well as to develop reference designs for potential Euclid and Roman exoplanet microlensing surveys.
- I have developed an innovatove new game-theory strategy for targeted Searches for Extraterrestrial Intelligence (SETI).
External positions
Member, Committee on Astronomy and Astrophysics, US National Academy of Sciences
1 Apr 2022 → 31 Jan 2023
External examiner to MSc Astrophysics taught courses, Queen Mary University of London
15 Oct 2019 → 31 Mar 2022
Areas of expertise
- QB Astronomy
- extra-solar planets
- time-domain astronomy
- gravitational microlensing
Keywords
- Exoplanets
- Extra-solar planets
- Search for Extraterrestrial Intelligence
- SETI
- Alien worlds
- Alien life
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 16 Peace, Justice and Strong Institutions
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Collaborations and top research areas from the last five years
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A planet-host ratio relation to synthesize microlensing and transiting exoplanet demography from Roman
Edmondson, K. & Kerins, E., 19 Jan 2026, In: Monthly Notices of the Royal Astronomical Society.Research output: Contribution to journal › Article › peer-review
Open Access -
Euclid: I. Overview of the Euclid mission
Euclid Collaboration & Kerins, E., 1 May 2025, In: AAP. 697, p. A1Research output: Contribution to journal › Article › peer-review
Open Access -
OGLE-2015-BLG-1609Lb: A sub-Jovian planet orbiting a low-mass stellar or brown dwarf host
Mróz, M. ~., Poleski, R., Udalski, A., Sumi, T., Tsapras, Y., Hundertmark, M., Pietrukowicz, P., Szymański, M. ~., Skowron, J., Mróz, P., Gromadzki, M., Iwanek, P., Kozłowski, S., Ratajczak, M., Rybicki, K. ~., Skowron, D. ~., Soszyński, I., Ulaczyk, K., Wrona, M. & Abe, F. & 53 others, , 1 Jun 2025, In: AAP. 698, p. A126Research output: Contribution to journal › Article › peer-review
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Predictions of the Nancy Grace Roman Space Telescope Galactic Exoplanet Survey. III. Detectability of Giant Exomoons of Wide-separation Giant Planets
Lastovka, M., Gaudi, B. S., Johnson, S. A., Penny, M. T., Kerins, E. & Rattenbury, N. J., 1 Nov 2025, In: The Astronomical Journal. 170, 5, p. 258 1 p.Research output: Contribution to journal › Article › peer-review
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Primordial black holes are too scarce to explain dark matter
Kerins, E., 1 Aug 2024, In: Nature. 632, 8026, p. 742-743 2 p.Research output: Contribution to journal › Article
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Galactic scale hot and cool exoplanet demography with Roman and Euclid
Kerins, E. (PI)
1/10/26 → 30/09/29
Project: Research
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Astrophysics and Cosmology Research at the JBCA 2020-2023
Battye, R. (PI), Beswick, R. (CoI), Breton, R. (CoI), Brown, M. (CoI), Browne, I. (CoI), Browning, P. (CoI), Chluba, J. (CoI), Dickinson, C. (CoI), Fuller, G. (CoI), Garrett, M. (CoI), George, D. (CoI), Grainge, K. (CoI), Gray, M. (CoI), Jackson, N. (CoI), Kay, S. (CoI), Keith, M. (CoI), Kerins, E. (CoI), Kramer, M. (CoI), Leahy, P. (CoI), Lyne, A. (CoI), Muxlow, T. (CoI), O'Brien, T. (CoI), Piccirillo, L. (CoI), Scaife, A. (CoI), Smith, R. (CoI), Spencer, R. (CoI), Stappers, B. (CoI), Weltevrede, P. (CoI) & Zijlstra, A. (CoI)
1/04/20 → 31/03/23
Project: Research
Activities
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Lauch of the ESA Euclid mission
Kerins, E. (Other)
1 Jul 2023Activity: Internal positions, CPD, programme/unit design, other peer review and other › Other › Research
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European Space Agency Euclid Exoplanet Science Working Group (External organisation)
Kerins, E. (Academic expert member)
2023 → …Activity: Membership › Membership of network › Research
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NASA Roman Galactic Bulge Time Domain Survey Project Infrastructure Team (External organisation)
Kerins, E. (Academic expert member)
2023 → …Activity: Membership › Membership of network › Research
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US National Academy of Sciences (External organisation)
Kerins, E. (Academic expert member)
1 Apr 2022 → 31 Jan 2023Activity: Membership › Membership of committee › Research
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Gonville and Caius, University of Cambridge (External organisation)
Kerins, E. (Academic expert member)
Dec 2019Activity: Membership › Membership of grants peer review panel › Research
Press/Media
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BBC BREAKFAST: Boeing Starliner and China's Chang'e 6 mission to Moon far side
2/06/24
1 Media contribution
Press/Media: Expert comment
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BBC Radio 5 Live Sunday Breakfast: landing of Chang'e 6 on the far side of the Moon
2/06/24
1 Media contribution
Press/Media: Expert comment
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BBC BREAKFAST: Discovery of Earth-like planet Gliese 12b
24/05/24
1 Media contribution
Press/Media: Expert comment
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BBC BREAKFAST: International Space Station waste collection
22/12/23
1 Media contribution
Press/Media: Expert comment
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BBC BREAKFAST: Unidentified Anomalous Phenomena
1/06/23
1 Media contribution
Press/Media: Expert comment