Christopher Martin Frohmaier Portrait

Dr Christopher Frohmaier

Senior Lecturer

[email protected]

View my research outputs

Research outputs

2026

The Dark Energy Survey supernova program: a reanalysis of cosmology results and evidence for evolving dark energy with an updated Type Ia supernova calibration

Popovic, B., Shah, P., Kenworthy, W. D., Kessler, R., Davis, T. M., Goobar, A., Scolnic, D., Vincenzi, M., Wiseman, P., Chen, R., Charleton, E., Acevedo, M., Armstrong, P., Boyd, B. M., Brout, D., Camilleri, R., Frieman, J., Galbany, L., Grayling, M., Kelsey, L., Rose, B., Sánchez, B., Lee, J., Möller, A., Smith, M., Sullivan, M., Shiamtanis, N., Alarcon, A., Allam, S. S., Andrade-Oliveira, F., Avila, S., Bacon, D., Blazek, J., Bocquet, S., Brooks, D., Burke, D. L., Rosell, A. C., Carretero, J., Cawthon, R., da Costa, L. N., da Silva Pereira, M. E., Diehl, H. T., Dodelson, S., Doel, P., Everett, S., Frohmaier, C., García-Bellido, J., Gruen, D., Gutierrez, G., Nichol, R. C.

1 Jun 2026, In: Monthly Notices of the Royal Astronomical Society. 548, 4, 27p., stag632

Research output: Article

2025

A young supernova selection pipeline for the LSST era

Addison, H., Frohmaier, C., Maguire, K., Nichol, R. C., Hook, I., Smartt, S. J.

30 Dec 2025, In: Monthly Notices of the Royal Astronomical Society

Research output: Article

Testing and combining transient spectral classification tools on 4MOST-like blended spectra

Milligan, A., Hook, I., Frohmaier, C., Smith, M., Dimitriadis, G., Kim, Y. -., Maguire, K., Möller, A., Nicholl, M., Smartt, S. J., Storm, J., Sullivan, M., Tempel, E., Wiseman, P., Cassarà, L. P., Demarco, R., Fritz, A., Jiang, J.

1 Oct 2025, In: Monthly Notices of the Royal Astronomical Society. 543, 1, p. 247–272

Research output: Article

Reduction of the type Ia supernova host galaxy step in the outer regions of galaxies

Toy, M., Wiseman, P., Sullivan, M., Scolnic, D., Vincenzi, M., Brout, D., Davis, T. M., Frohmaier, C., Galbany, L., Lidman, C., Lee, J., Kelsey, L., Kessler, R., Möller, A., Popovic, B., Sánchez, B. O., Shah, P., Smith, M., Aguena, M., Allam, S., Alves, O., Bacon, D., Brooks, D., Burke, D. L., Rosell, A. C., Carretero, J., da Costa, L. N., Pereira, M. E. S., Desai, S., Diehl, H. T., Doel, P., Drlica-Wagner, A., Everett, S., Ferrero, I., Flaugher, B., Frieman, J., García-Bellido, J., Gatti, M., Gaztanaga, E., Giannini, G., Gruendl, R. A., Gutierrez, G., Hinton, S. R., Hollowood, D. L., Honscheid, K., James, D. J., Kuehn, K., Lee, S., Marshall, J. L., Walker, A. R.

3 Mar 2025, In: Monthly Notices of the Royal Astronomical Society

Research output: Article

ZTF SN Ia DR2: searching for late-time interaction signatures in Type Ia supernovae from the Zwicky Transient Facility

Terwel, J. H., Maguire, K., Dimitriadis, G., Smith, M., Reusch, S., Lacroix, L., Galbany, L., Burgaz, U., Harvey, L., Schulze, S., Rigault, M., Groom, S. L., Hale, D., Kasliwal, M. M., Kim, Y., Purdum, J., Rusholme, B., Sollerman, J., Anderson, J. P., Chen, T., Frohmaier, C., Gromadzki, M., Müller-Bravo, T. E., Nicholl, M., Srivastav, S., Deckers, M.

14 Feb 2025, In: Astronomy and Astrophysics. 694, 28p., A11

Research output: Article

ZTF SN Ia DR2: The diversity and relative rates of the thermonuclear supernova population

Dimitriadis, G., Burgaz, U., Deckers, M., Maguire, K., Johansson, J., Smith, M., Rigault, M., Frohmaier, C., Sollerman, J., Galbany, L., Kim, Y., Liu, C., Miller, A. A., Nugent, P. E., Alburai, A., Chen, P., Dhawan, S., Ginolin, M., Goobar, A., Groom, S. L., Harvey, L., Kenworthy, W. D., Kulkarni, S. R., Phan, K., Popovic, B., Riddle, R. L., Rusholme, B., Müller-Bravo, T. E., Nordin, J., Terwel, J. H., Townsend, A.

14 Feb 2025, In: Astronomy and Astrophysics. 694, 19p., A10

Research output: Article

SN 2023xwi: forbidden line emission in the peak spectrum of a Ca-strong transient

Touchard-Paxton, C. -., Frohmaier, C., Pursiainen, M., Sullivan, M., Polin, A., Dimitriadis, G., Galbany, L., Killestein, T. L., Kumar, A., Lyman, J.

1 Feb 2025, In: Monthly Notices of the Royal Astronomical Society. 537, 2, p. 1015–1027

Research output: Article

2024

The Dark Energy Survey: Cosmology Results With ~1500 New High-redshift Type Ia Supernovae Using The Full 5-year Dataset

Collaboration, T. D. E. S., Abbott, T. M. C., Acevedo, M., Aguena, M., Alarcon, A., Allam, S., Alves, O., Amon, A., Andrade-Oliveira, F., Annis, J., Armstrong, P., Asorey, J., Avila, S., Bacon, D., Bassett, B., Bechtol, K., Bernardinelli, P. H., Bernstein, G. M., Bertin, E., Blazek, J., Bocquet, S., Brooks, D., Brout, D., Buckley-Geer, E., Burke, D. L., Camacho, H., Camilleri, R., Campos, A., Rosell, A. C., Carollo, D., Carr, A., Carretero, J., Castander, F. J., Cawthon, R., Chang, C., Chen, R., Choi, A., Conselice, C., Costanzi, M., Costa, L. N. d., Crocce, M., Frohmaier, C., Gaztanaga, E., Graur, O., Kelsey, L., Li, T. S., Nichol, R. C., Percival, W. J., Thomas, D., Vincenzi, M.

1 Oct 2024, In: The Astrophysical Journal Letters. 973, 1, 20p., L14

Research output: Article

2023

A machine learning algorithm to predict a culprit lesion after out of hospital cardiac arrest

Pareek, N., Frohmaier, C., Smith, M., Kordis, P., Cannata, A., Nevett, J., Fothergill, R., Nichol, R. C., Sullivan, M., Sunderland, N., Johnson, T. W., Noc, M., Byrne, J., MacCarthy, P., Shah, A. M.

1 Jul 2023, In: Catheterization and Cardiovascular Interventions. 102, 1, p. 80-90, 11p.

Research output: Article

Core-collapse Supernovae in the Dark Energy Survey: Luminosity Functions and Host Galaxy Demographics

Grayling, M., Gutiérrez, C. P., Sullivan, M., Wiseman, P., Vincenzi, M., Galbany, L., Möller, A., Brout, D., Davis, T. M., Frohmaier, C., Graur, O., Kelsey, L., Lidman, C., Popovic, B., Smith, M., Toy, M., Tucker, B. E., Zontou, Z., Abbott, T. M. C., Aguena, M., Allam, S., Andrade-Oliveira, F., Annis, J., Asorey, J., Bacon, D., Bertin, E., Bocquet, S., Brooks, D., Rosell, A. C., Carollo, D., Kind, M. C., Carretero, J., Costanzi, M., Costa, L. N. d., Pereira, M. E. S., Vicente, J. D., Desai, S., Diehl, H. T., Doel, P., Everett, S., Ferrero, I., Friedel, D., Frieman, J., García-Bellido, J., Gatti, M., Gruen, D., Gschwend, J., Gutierrez, G., Hinton, S. R., Hollowood, D. L.

1 Mar 2023, In: Monthly Notices of the Royal Astronomical Society. 520, 1, p. 684-701

Research output: Article

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