Pulsars, transients and relativistic astrophysics

Research group

Research theme

Sub department

About

The Dark Energy Survey Supernova Program: slow supernovae show cosmological time dilation out to z ~ 1.

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 533:3 (2024) 3365-3378

Authors:

RMT White, TM Davis, GF Lewis, D Brout, L Galbany, K Glazebrook, SR Hinton, J Lee, C Lidman, A M枚ller, M Sako, D Scolnic, M Smith, M Sullivan, BO S谩nchez, P Shah, M Vincenzi, P Wiseman, TMC Abbott, M Aguena, S Allam, F Andrade-Oliveira, J Asorey, D Bacon, S Bocquet, D Brooks, E Buckley-Geer, DL Burke, A Carnero Rosell, D Carollo, J Carretero, LN da Costa, MES Pereira, J De Vicente, S Desai, HT Diehl, S Everett, I Ferrero, B Flaugher, J Frieman, J Garc铆a-Bellido, E Gaztanaga, G Giannini, RA Gruendl, DL Hollowood, K Honscheid, DJ James, R Kessler, K Kuehn, O Lahav, S Lee, M Lima, JL Marshall, J Mena-Fern谩ndez, R Miquel, J Myles, RC Nichol, RLC Ogando, A Palmese, A Pieres, AA Plazas Malag贸n, AK Romer, E Sanchez, D Sanchez Cid, M Schubnell, E Suchyta, G Tarle, BE Tucker, AR Walker, N Weaverdyck

The dark energy survey supernova program: investigating beyond-螞CDM

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 533:3 (2024) 2615-2639

Authors:

R Camilleri, TM Davis, M Vincenzi, P Shah, J Frieman, R Kessler, P Armstrong, D Brout, A Carr, R Chen, L Galbany, K Glazebrook, SR Hinton, J Lee, C Lidman, A M枚ller, B Popovic, H Qu, M Sako, D Scolnic, M Smith, M Sullivan, BO S谩nchez, G Taylor, M Toy, P Wiseman, TMC Abbott, M Aguena, S Allam, O Alves, J Annis, S Avila, D Bacon, E Bertin, S Bocquet, D Brooks, DL Burke, A Carnero Rosell, J Carretero, FJ Castander, LN da Costa, MES Pereira, S Desai, HT Diehl, P Doel, C Doux, S Everett, I Ferrero, B Flaugher, P Fosalba, J Garc铆a-Bellido, M Gatti, E Gaztanaga, G Giannini, D Gruen, DL Hollowood, K Honscheid, DJ James, K Kuehn, O Lahav, S Lee, GF Lewis, JL Marshall, J Mena-Fern谩ndez, R Miquel, J Muir, J Myles, RLC Ogando, A Pieres, AA Plazas Malag贸n, A Porredon, M Rodriguez-Monroy, E Sanchez, D Sanchez Cid, M Schubnell, I Sevilla-Noarbe, E Suchyta, MEC Swanson, G Tarle, AR Walker, N Weaverdyck

Distance estimation of gamma-ray emitting BL Lac objects from imaging observations

(2024)

Authors:

K Nilsson, V Fallah Ramazani, E Lindfors, P Goldoni, J Becerra Gonz谩lez, JA Acosta Pulido, R Clavero, J Otero-Santos, T Pursimo, S Pita, PM Kouch, C Boisson, M Backes, G Cotter, F D'Ammando, E Kasai

Computational forms for binary particle interactions at different levels of anisotropy

RAS Techniques and Instruments Oxford University Press 3:1 (2024) 548-555

Authors:

Christopher N Everett, Garret Cotter

Abstract:

Particle interactions are key elements of many dynamical systems. In the context of systems described by a Boltzmann equation, such interactions may be described by a collision integral, a multidimensional integral over the momentum-phase space of the interaction. This integral is often simplified by assuming isotropic particle distributions; however, such an assumption places constraints on the dynamics of the system. This paper presents computational forms of the collision integral for relativistic, binary interactions at three levels of anisotropy, including a novel form in the isotropic case. All these forms are split into two parts, an absorption and an emission spectrum, which may be pre-calculated via numerical integration for simulation purposes. We demonstrate the use of these forms by comparison with the analytically integrated, isotropic emission spectrum of electron鈥損ositron annihilation, which are shown to agree to numerical precision. The emission spectrum is then further extended to axisymmetric particle distributions, where two-dimensional spectral maps can be generated to provide new insight.

End-to-end simulation framework for astronomical spectrographs: SOXS, CUBES, and ANDES

Proceedings of SPIE--the International Society for Optical Engineering SPIE, the international society for optics and photonics 13099 (2024) 1309905-1309905-19

Authors:

A Scaudo, M Genoni, G Li Causi, L Cabona, M Landoni, S Campana, P Schipani, R Claudi, M Aliverti, A Baruffolo, S Ben-Ami, F Biondi, G Capasso, R Cosentino, F D'Alessio, P D'Avanzo, O Hershko, H Kuncarayakti, M Munari, K Radhakrishnan Santhakumari, G Pignata, A Rubin, S Scuderi, F Vitali, D Young, J Achr茅n, JA Araiza-Duran, I Arcavi, F Battaini, A Brucalassi, R Bruch, E Cappellaro, M Colapietro, M Della Valle, M De Pascale, R Di Benedetto, S D'Orsi, A Gal-Yam, M Hernandez, J Kotilainen, L Marty, S Mattila, M Rappaport, D Ricci, M Riva, B Salasnich, S Smartt, R Zanmar Sanchez, M Stritzinger, H Ventura, G Cupani, M Porru, M Franchini, R Cirami, G Calderone, S Covino, R Smiljanic, M Monteiro, A Balestra, R Sordo, E Mason, S Rousseau, I de Castro Le茫o, A Zanutta, A de Meideros Martins, D Sosnowska, T Marquart, I Boisse, S Sousa, J Hernandez, N Piskunov, J Puschnig, N Sanna, B Martins, P Di Marcantonio, A Marconi