Or Graur Portrait

Dr Or Graur

Associate Professor in Astrophysics

Or.Graur@port.ac.uk

PhD Supervisor

View my research outputs
Faculty of Technology Cosmology and astrophysics Institute of Cosmology and Gravitation

Biography

I am an Associate Professor of Astrophysics at the Institute of Cosmology and Gravitation at the 91¸£ÀûÍø, as well as a Research Associate at the American Museum of Natural History and an Honorary Associate Professor at University College London. In 2013, I received my PhD in Physics and Astronomy from Tel-Aviv University. I then held two postdoctoral research positions at The Johns Hopkins University (2013-2014) and New York University (2014-2016), before moving to the Center for Astrophysics | Harvard & Smithsonian as an independent National Science Foundation Astronomy and Astrophysics Postdoctoral Fellow (2016-2020).

Research interests

I study supernovae - the explosions of stars - as well as other transient astrophysical phenomena. I use observations (images and spectra) obtained with ground- and space-based observatories and large-scale spectroscopic surveys (such as SDSS and DESI). I am specifically interested in uncovering the nature of the progenitors of Type Ia supernovae, studying these supernovae when they are several years old, and conducting population studies of supernovae in general. I am also working on discovering and characterizing tidal disruption events - flares caused by stars that are ripped apart by super-massive black holes - and the galaxies in which they occur.

Research outputs

2025

Clark, P., Callow, J., Graur, O., Greenwell, C., Hu, L., Aguilar, J., Ahlen, S., Bianchi, D., Brooks, D., Claybaugh, T., Dawson, K., Macorra, A. d. l., Doel, P., Gontcho, S. G. A., Gutierrez, G., Honscheid, K., Juneau, S., Kehoe, R., Kisner, T., Kremin, A., Landriau, M., Guillou, L. L., Meisner, A., Miquel, R., Moustakas, J., Pérez-Ràfols, I., Sanchez, E., Schubnell, M., Sprayberry, D., Tarlé, G., Weaver, B. A., Zou, H.

24 May 2025, In: Monthly Notices of the Royal Astronomical Society. 540, 1, p. 871-906

Research output: Article

Callow, J., Graur, O., Clark, P., Kim, A. G., O'Connor, B., Aguilar, J., Ahlen, S., Bianchi, D., Brooks, D., Macorra, A. d. l., Dey, A., Doel, P., Forero-Romero, J. E., Gaztañaga, E., Gontcho, S. G. A., Gutierrez, G., Kehoe, R., Lambert, A., Landriau, M., Guillou, L. L., Meisner, A., Miquel, R., Moustakas, J., Prada, F., Pérez-Ràfols, I., Rossi, G., Sanchez, E., Schubnell, M., Seo, H., Sprayberry, D., Tarlé, G., Weaver, B. A., Zou, H.

1 May 2025, In: Monthly Notices of the Royal Astronomical Society. 539, 1, p. 231-245

Research output: Article

Graur, O.

28 Apr 2025, In: Journal of Astronomical History and Heritage. 28, 1, p. 97-124

Research output: Article

2024

Soumagnac, M. T., Nugent, P., Knop, R. A., Ho, A. Y. Q., Hohensee, W., Awbrey, A., Andersen, A., Aldering, G., Ventura, M., Aguilar, J. N., Ahlen, S., Benzvi, S. Y., Brooks, D., Brout, D., Claybaugh, T., Davis, T. M., Dawson, K., Macorra, A. d. l., Dey, A., Dey, B., Doel, P., Douglass, K. A., Forero-Romero, J. E., Gaztanaga, E., Gontcho, S. G. A., Graur, O., Guy, J., Hahn, C., Honscheid, K., Howlett, C., Kim, A. G., Kisner, T., Kremin, A., Lambert, A., Landriau, M., Lang, D., Guillou, L. L., Manera, M., Meisner, A., Miquel, R., Moustakas, J., Myers, A. D., Nie, J., Palmese, A., Parkinson, D., Poppett, C., Prada, F., Qin, F., Rezaie, M., Rossi, G., Sanchez, E., Schlegel, D. D., Schubnell, M., Silber, J. H., Tarle, G., Weaver, B. A., Zhou, Z.

1 Dec 2024, In: The Astrophysical Journal Supplement Series. 275, 2, 14p., 22

Research output: Article

Callow, J., Graur, O., Clark, P., Palmese, A., Aguilar, J., Ahlen, S., BenZvi, S., Brooks, D., Claybaugh, T., Macorra, A. d. l., Doel, P., Forero-Romero, J. E., Gaztañaga, E., Gontcho, S. G. A., Lambert, A., Landriau, M., Meisner, A., Miquel, R., Moustakas, J., Nie, J., Poppett, C., Prada, F., Rezaie, M., Rossi, G., Sanchez, E., Silber, J. H., Tarlé, G., Weaver, B. A., Zhou, Z.

5 Nov 2024, In: Monthly Notices of the Royal Astronomical Society. 535, 1, p. 1095-1122

Research output: Article

Graur, O.

1 Nov 2024, In: The Conversation

Research output: Article

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: Astrophysical Journal Letters. 973, 1, 20p., L14

Research output: Article

Killestein, T. L., Kelsey, L., Wickens, E., Nuttall, L., Lyman, J., Krawczyk, C., Ackley, K., Dyer, M. J., Jiménez-Ibarra, F., Ulaczyk, K., O'Neill, D., Kumar, A., Steeghs, D., Galloway, D. K., Dhillon, V. S., O'Brien, P., Ramsay, G., Noysena, K., Kotak, R., Breton, R. P., Pallé, E., Pollacco, D., Awiphan, S., Belkin, S., Chote, P., Clark, P., Coppejans, D., Duffy, C., Eyles-Ferris, R., Godson, B., Gompertz, B., Graur, O., Irawati, P., Jarvis, D., Julakanti, Y., Kennedy, M. R., Kuncarayakti, H., Levan, A., Littlefair, S., Magee, M., Mandhai, S., Sánchez, D. M., Mattila, S., McCormac, J., Mullaney, J., Munday, J., Patel, M., Pursiainen, M., Rana, J., Sawangwit, U., Stanway, E., Starling, R., Warwick, B., Wiersema, K.

1 Sep 2024, In: Monthly Notices of the Royal Astronomical Society. 533, 2, p. 2113-2132

Research output: Article

Graur, O.

12 Aug 2024, In: Shepherd

Research output: Article

Graur, O.

6 Aug 2024,

Research output: Book