Publications | Dr. Karina Rojas

Peer-reviewed articles and collaboration papers, most recent first.

2023
The impact of human expert visual inspection on the discovery of strong gravitational lenses
Rojas, K.; Collett, T. E.; Ballard, D.; Magee, M. R. et al.

Monthly Notices of the Royal Astronomical Society, 523, 3, 4413–4430first author

ADS
2023
Revealing the structure of the lensed quasar Q 0957+561 III. Constraints on the size of the broad-line region
Fian, C.; Muñoz, J. A.; Mediavilla, E.; Jiménez-Vicente, J.; Motta, V.; Chelouche, D.; Wurzer, A.; Hanslmeier, A.; Rojas, K.

arXiv:2307.02914 (accepted)

ADS
2022
Strong lensing in UNIONS: Toward a pipeline from discovery to modeling
Savary, E.; Rojas, K.; Maus, M.; Clément, B.; Courbin, F.; Gavazzi, R.; Chan, J. H. H.; Lemon, C.; Vernardos, G.; Cañameras, R.; Schuldt, S.; Suyu, S. H.; Cuillandre, J.-C.; Fabbro, S.; Gwyn, S.; Hudson, M. J.; Kilbinger, M.; Scott, D.; Stone, C.

A&A, 668, A73, 41 pp.

ADS
2022
Search of strong lens systems in the Dark Energy Survey using convolutional neural networks
Rojas, K.; Savary, E.; Clément, B.; Maus, M.; Courbin, F.; Lemon, C.; Chan, J. H. H.; Vernardos, G.; Joseph, R.; Cañameras, R.; Galan, A.

A&A, 666, A1, 27 pp.first author

ADS
2022
Discovery of strongly lensed quasars in the Ultraviolet Near Infrared Optical Northern Survey (UNIONS)
Chan, J. H. H.; Lemon, C.; Courbin, F.; Gavazzi, R.; Clément, B.; Millon, M.; Paic, E.; Rojas, K.; Savary, E.; Vernardos, G.; Cuillandre, J.-C.; Fabbro, S.; Gwyn, S.; Hudson, M. J.; Kilbinger, M.; McConnachie, A.

A&A, 659, A140, 14 pp.

ADS
2021
Revealing the structure of the lensed quasar Q 0957+561, I. Accretion disk size
Fian, C.; Mediavilla, E.; Jiménez-Vicente, J.; Motta, V.; Muñoz, J. A.; Chelouche, D.; Gómez-Alvarez, P.; Rojas, K.; Hanslmeier, A.

A&A, 654, A70, 9 pp.

ADS
2021
Measuring accretion disk sizes of lensed quasars with microlensing time delay in multi-band light curves
Chan, J. H. H.; Rojas, K.; Millon, M.; Courbin, F.; Bonvin, V.; Jauffret, G.

A&A, 647, A115, 10 pp.

ADS
2020
TDCOSMO II: Six new time delays in lensed quasars from high-cadence monitoring at the MPIA 2.2m telescope
Millon, M.; Courbin, F.; Bonvin, V.; Buckley-Geer, E.; Fassnacht, C. D.; Frieman, J.; Marshall, P. J.; Suyu, S. H.; Treu, T.; Anguita, T.; Motta, V.; Agnello, A.; Chan, J. H. H.; Chao, D. C.-Y.; Chijani, M.; Gilman, D.; Gilmore, K.; Lemon, C.; Lucey, J. R.; Melo, A.; Paic, E.; Rojas, K.; Sluse, D.; Williams, P. R.; Hempel, A.; Kim, S.; Lachaume, R.; Rabus, M.

A&A, 642, A193, 14 pp.

ADS
2020
HOLISMOKES II. Identifying galaxy-scale strong gravitational lenses in Pan-STARRS using convolutional neural networks
Cañameras, R.; Schuldt, S.; Suyu, S. H.; Taubenberger, S.; Meinhardt, T.; Leal-Taixé, L.; Lemon, C.; Rojas, K.; Savary, E.

A&A (accepted)

ADS
2020
Microlensing analysis for the gravitational lens systems SDSS0924+0219, Q1355-2257, and SDSS1029+2623
Rojas, K.; Motta, V.; Mediavilla, E.; Jiménez-Vicente, J.; Falco, E.; Fian, C.

The Astrophysical Journal, 890, 3, 9 pp.first author

ADS
2019
COSMOGRAIL XVIII. Time delays of the quadruply lensed quasar WFI2033-4723
Bonvin, V.; Millon, M.; Chan, J. H.-H.; Courbin, F.; Rusu, C. E.; Sluse, D.; Suyu, S. H.; Wong, K. C.; Fassnacht, C. D.; Marshall, P. J.; Treu, T.; Buckley-Geer, E.; Frieman, J.; Hempel, A.; Kim, S.; Lachaume, R.; Rabus, M.; Chao, D. C.-Y.; Chijani, M.; Gilman, D.; Gilmore, K.; Rojas, K.; Williams, P.; Anguita, T.; Kochanek, C. S.; Morgan, C.; Motta, V.; Tewes, M.; Meylan, G.

A&A, 629, A97, 13 pp.

ADS
2019
Quasar microlensing: Revolutionizing our understanding of quasar structure and dynamics
Moustakas, L.; Anguita, T.; Chartas, G.; Cornachione, M.; Dai, X.; Fian, C.; Fohlmeister, J.; Guerras, E.; Hainline, K.; Huterer, D.; Jiménez-Vicente, J.; Kains, N.; Kochanek, C. S.; Mediavilla, E.; Mudd, D.; Muñoz, J. A.; Motta, V.; Ofek, E.; Poindexter, S.; Rojas, K.; Schechter, P.; Schmidt, R.; Sluse, D.; Tewes, M.; Treu, T.; Vernardos, G.

Astro2020 Decadal Survey science white paper no. 487; BAAS, 51, 3, 487

ADS

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