James Kirk - Publications, H-index & Citations

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James Kirk

imperial college london

38H-index

309Paper Count

5.2KCitation Count

Published Papers 64

Publication Date

JWST COMPASS: A NIRSpec G395H Transmission Spectrum of Radius Valley Dweller TOI-260 b

The Astronomical Journal

IF0

2026-04-09

OAAI

Annabella Meech; Peter Gao; Nicole L. Wallack; Mercedes López-Morales; Dominic Oddo; Johanna Teske; Diana Dragomir; Angie Wolfgang; Nicholas Wogan; Hannah R. Wakeford; Sarah E. Moran; James Kirk; Tyler A. Gordon; Anna Gagnebin; Natasha E. Batalha; Natalie M. Batalha; Lili Alderson; Munazza K. Alam; Artyom Aguichine

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JWST COMPASS: NIRSpec/G395H Transmission Observations of the Sub-Neptune HD 15337 c

The Astronomical Journal

IF0

2026-02-27

OAAI

Nicole L. Wallack; Peter Gao; Michael Greklek-McKeon; Annabella Meech; Artyom Aguichine; Munazza K. Alam; Lili Alderson; Natasha E. Batalha; Natalie M. Batalha; Anna Gagnebin; Tyler A. Gordon; James Kirk; Mercedes López-Morales; Sarah E. Moran; Jea Iyanla Redai; Nicholas Scarsdale; Johanna Teske; Hannah R. Wakeford; Nicholas F. Wogan; Angie Wolfgang

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JWST COMPASS: Insights into the Systematic Noise Properties of NIRSpec/G395H from a Uniform Reanalysis of Seven Transmission Spectra

The Astronomical Journal

IF0

2026-02-20

OAAI

Tyler A. Gordon; Natalie M. Batalha; Natasha E. Batalha; Artyom Aguichine; Anna Gagnebin; James Kirk; Mercedes López-Morales; Annabella Meech; Nicholas Scarsdale; Johanna Teske; Nicole L. Wallack; Nicholas Wogan

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Resolving the flat-spectrum conundrum: clumpy aerosol distributions in sub-Neptune atmospheres

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2026-01-01

OAAI

Owen, James E.; Kirk, James

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Mapping the SO2 Shoreline in Gas Giant Exoplanets

The Astrophysical Journal

IF0

2025-11-25

OAAI

Ian J. M. Crossfield; Eva-Maria Ahrer; Jonathan Brande; Laura Kreidberg; Joshua Lothringer; Caroline Piaulet-Ghorayeb; Jesse Polman; Luis Welbanks; James Kirk; Diana Powell; Niloofar Khorshid

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Testing the performance of cross-correlation techniques to search for molecular features in JWST NIRSpec G395H observations of transiting exoplanets

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2025-11-01

OAAI

Esparza-Borges, Emma; Lopez-Morales, Mercedes; Palle, Enric; Makhnev, Vladimir; Gordon, Iouli; Hargreaves, Robert; Kirk, James; Caceres, Claudio; Crossfield, Ian J. M.; Crouzet, Nicolas; Decin, Leen; Desert, Jean-Michel; Flagg, Laura; Munoz, Antonio Garcia; Harrington, Joseph; Molaverdikhani, Karan; Morello, Giuseppe; Nikolov, Nikolay; Solmaz, Arif; Rackham, Benjamin, V; Redfield, Seth

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BOWIE-ALIGN: weak spectral features in KELT-7b's JWST NIRSpec/G395H transmission spectrum imply a high cloud deck or a low-metallicity atmosphere

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2025-11-01

OAAI

Ahrer, Eva-Maria; Fairman, Charlotte; Kirk, James; Wakeford, Hannah R.; Barstow, Joanna K.; Penzlin, Anna B. T.; Alderson, Lili; Booth, Richard A.; Christie, Duncan A.; Claringbold, Alastair B.; Esparza-Borges, Emma; Gascon, Carlos; Lopez-Morales, Mercedes; Mayne, N. J.; McCormack, Mason; Meech, Annabella; Molliere, Paul; Owen, James E.; Panwar, Vatsal; Sergeev, Denis E.; Valentine, Daniel; Wheatley, Peter J.; Zamyatina, Maria

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Additional JWST/NIRSpec Transits of the Rocky M Dwarf Exoplanet GJ 1132 b Reveal a Featureless Spectrum

astronomical journal

IF0

2025-09-09

OAAI

Katherine A. Bennett; Ryan J. MacDonald; Sarah Peacock; Junellie Perez; E. M. May; Sarah E. Moran; Lili Alderson; Jacob Lustig-Yaeger; Hannah R. Wakeford; David K. Sing; Kevin B. Stevenson; Natasha E. Batalha; Mercedes López-Morales; Munazza K. Alam; Joshua D. Lothringer; Guangwei Fu; James Kirk; Jeff A. Valenti; L. C. Mayorga; Kristin S. Sotzen

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Searching for Helium Escape and a Low-density Atmosphere Around the 120 Myr Old Sub-Neptune HIP94235b Using CRIRES+

astronomical journal

IF0

2025-08-13

PREAI

Ava Morrissey; George Zhou; Chelsea X. Huang; Duncan Wright; Neale Gibson; Keighley E. Rockcliffe; Elisabeth R. Newton; James Kirk; Daniel Bayliss

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Comparing the Effects of Biphasic Ultra-Low Oxygen vs. Monophasic Low Oxygen on Morphokinetic Changes in Sibling Human Embryos

HUMAN REPRODUCTION

IF6.1

2025-06-01

OAAI

Simonsen, K.; Tanvig, M.; Bay, B.; Kirk, J.; Riiskjaer, M.; Moller, S.; Fedder, J.; Eskildsen, T.

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BOWIE-ALIGN: substellar metallicity and carbon depletion in the aligned TrES-4b with JWST NIRSpec transmission spectroscopy

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2025-05-01

OAAI

Meech, Annabella; Claringbold, Alastair B.; Ahrer, Eva-Maria; Kirk, James; Lopez-Morales, Mercedes; Taylor, Jake; Booth, Richard A.; Penzlin, Anna B. T.; Alderson, Lili; Christie, Duncan A.; Esparza-Borges, Emma; Fairman, Charlotte; Mayne, Nathan J.; McCormack, Mason; Owen, James E.; Panwar, Vatsal; Powell, Diana; Sergeev, Denis E.; Valentine, Daniel; Wakeford, Hannah R.; Wheatley, Peter J.; Zamyatina, Maria

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JWST COMPASS: NIRSpec/G395H Transmission Observations of TOI-776 c, a 2 R⊕ M Dwarf Planet

ASTRONOMICAL JOURNAL

IF5.1

2025-04-07

OAAI

Teske, Johanna; Batalha, Natasha E.; Wallack, Nicole L.; Kirk, James; Wogan, Nicholas F.; Gordon, Tyler A.; Alam, Munazza K.; Aguichine, Artyom; Wolfgang, Angie; Wakeford, Hannah R.; Scarsdale, Nicholas; Adams Redai, Jea; Moran, Sarah E.; Lopez-Morales, Mercedes; Meech, Annabella; Gao, Peter; Batalha, Natalie M.; Alderson, Lili; Gagnebin, Anna

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JWST COMPASS: NIRSpec/G395H Transmission Observations of the Super-Earth TOI-776 b

ASTRONOMICAL JOURNAL

IF5.1

2025-02-12

OAAI

Alderson, Lili; Moran, Sarah E.; Wallack, Nicole L.; Batalha, Natasha E.; Wogan, Nicholas F.; Dattilo, Anne; Wakeford, Hannah R.; Redai, Jea Adams; Alam, Munazza K.; Aguichine, Artyom; Batalha, Natalie M.; Gagnebin, Anna; Gao, Peter; Kirk, James; Lopez-Morales, Mercedes; Meech, Annabella; Teske, Johanna; Wolfgang, Angie

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BOWIE-ALIGN: JWST reveals hints of planetesimal accretion and complex sulphur chemistry in the atmosphere of the misaligned hot Jupiter WASP-15b

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2025-02-05

OAAI

Kirk, James; Ahrer, Eva-Maria; Claringbold, Alastair B.; Zamyatina, Maria; Fisher, Chloe; Mccormack, Mason; Panwar, Vatsal; Powell, Diana; Taylor, Jake; Thorngren, Daniel P.; Christie, Duncan A.; Esparza-Borges, Emma; Tsai, Shang-Min; Alderson, Lili; Booth, Richard A.; Fairman, Charlotte; Lopez-Morales, Mercedes; Mayne, N. J.; Meech, Annabella; Molliere, Paul; Owen, James E.; Penzlin, Anna B. T.; Sergeev, Denis E.; Valentine, Daniel; Wakeford, Hannah R.; Wheatley, Peter J.

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JWST COMPASS: The First Near- to Mid-infrared Transmission Spectrum of the Hot Super-Earth L 168-9 b

ASTRONOMICAL JOURNAL

IF5.1

2024-12-10

OAAI

Alam, Munazza K.; Gao, Peter; Redai, Jea Adams; Wallack, Nicole L.; Wogan, Nicholas F.; Aguichine, Artyom; Dattilo, Anne; Alderson, Lili; Batalha, Natasha E.; Batalha, Natalie M.; Kirk, James; Lopez-Morales, Mercedes; Meech, Annabella; Moran, Sarah E.; Teske, Johanna; Wakeford, Hannah R.; Wolfgang, Angie

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JWST COMPASS: The 3-5 μm Transmission Spectrum of the Super-Earth L 98-59 c

ASTRONOMICAL JOURNAL

IF5.1

2024-11-19

OAAI

Scarsdale, Nicholas; Wogan, Nicholas; Wakeford, Hannah R.; Wallack, Nicole L.; Batalha, Natasha E.; Alderson, Lili; Aguichine, Artyom; Wolfgang, Angie; Teske, Johanna; Moran, Sarah E.; Lopez-Morales, Mercedes; Kirk, James; Gordon, Tyler; Gao, Peter; Batalha, Natalie M.; Alam, Munazza K.; Adams Redai, Jea

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BOWIE-ALIGN: how formation and migration histories of giant planets impact atmospheric compositions

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2024-10-15

OAAI

Penzlin, Anna B. T.; Booth, Richard A.; Kirk, James; Owen, James E.; Ahrer, E.; Christie, Duncan A.; Claringbold, Alastair B.; Esparza-Borges, Emma; Lopez-Morales, M.; Mayne, N. J.; McCormack, Mason; Meech, Annabella; Panwar, Vatsal; Powell, Diana; Sergeev, Denis E.; Taylor, Jake; Wheatley, Peter J.; Zamyatina, Maria

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JWST COMPASS: A NIRSpec/G395H Transmission Spectrum of the Sub-Neptune TOI-836c

ASTRONOMICAL JOURNAL

IF5.1

2024-08-09

OAAI

Wallack, Nicole L.; Batalha, Natasha E.; Alderson, Lili; Scarsdale, Nicholas; Redai, Jea I. Adams; Aguichine, Artyom; Alam, Munazza K.; Gao, Peter; Wolfgang, Angie; Batalha, Natalie M.; Kirk, James; Lopez-Morales, Mercedes; Moran, Sarah E.; Teske, Johanna; Wakeford, Hannah R.; Wogan, Nicholas F.

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Nondetections of Helium in the Young Sub-Jovian Planets K2-100b, HD 63433b, and V1298 Tau c

ASTRONOMICAL JOURNAL

IF5.1

2024-08-01

OAAI

Alam, Munazza K.; Kirk, James; Dos Santos, Leonardo A.; McCreery, Patrick; Allan, Andrew P.; Owen, James E.; Vidotto, Aline A.; Allart, Romain; Bourrier, Vincent; Espinoza, Nestor; King, George W.; Lopez-Morales, Mercedes; Seidel, Julia V.

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A benchmark JWST near-infrared spectrum for the exoplanet WASP-39 b

NATURE ASTRONOMY

IF14.3

2024-07-10

OAAI

Carter, A. L.; May, E. M.; Espinoza, N.; Welbanks, L.; Ahrer, E.; Alderson, L.; Brahm, R.; Feinstein, A. D.; Grant, D.; Line, M.; Morello, G.; O'Steen, R.; Radica, M.; Rustamkulov, Z.; Stevenson, K. B.; Turner, J. D.; Alam, M. K.; Anderson, D. R.; Batalha, N. M.; Battley, M. P.; Bayliss, D.; Bean, J. L.; Benneke, B.; Berta-Thompson, Z. K.; Brande, J.; Bryant, E. M.; Burleigh, M. R.; Coulombe, L.; Crossfield, I. J. M.; Damiano, M.; Desert, J. -M.; Flagg, L.; Gill, S.; Inglis, J.; Kirk, J.; Knutson, H.; Kreidberg, L.; Morales, M. Lopez; Mansfield, M.; Moran, S. E.; Murray, C. A.; Nixon, M. C.; de la Roche, D. J. M. Petit Dit; Rackham, B. V.; Schlawin, E.; Sing, D. K.; Wakeford, H. R.; Wallack, N. L.; Wheatley, P. J.; Zieba, S.; Aggarwal, K.; Barstow, J. K.; Bell, T. J.; Blecic, J.; Caceres, C.; Crouzet, N.; Cubillos, P. E.; Daylan, T.; de Val-Borro, M.; Decin, L.; Fortney, J. J.; Gibson, N. P.; Heng, K.; Hu, R.; Kempton, E. M. -R.; Lagage, P.; Lothringer, J. D.; Lustig-Yaeger, J.; Mancini, L.; Mayne, N. J.; Mayorga, L. C.; Molaverdikhani, K.; Nasedkin, E.; Ohno, K.; Parmentier, V.; Powell, D.; Redfield, S.; Roy, P.; Taylor, J.; Zhang, X.

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Research Directions