Publications by the researcher in collaboration with Evencio Mediavilla Gradolph (62)

2024

  1. First Direct Evidence for Keplerian Rotation in Quasar Inner Broad-line Regions

    Astrophysical Journal Letters, Vol. 972, Núm. 1

  2. Probing the structure of the lensed quasar SDSS J1004+4112 through microlensing analysis of spectroscopic data

    Astronomy and Astrophysics, Vol. 682

  3. Revealing the inner workings of the lensed quasar SDSS J1339+1310: Insights from microlensing analysis

    Astronomy and Astrophysics, Vol. 689

  4. Single-epoch and Differential Astrometric Microlensing of Quasars

    Astrophysical Journal, Vol. 970, Núm. 1

  5. The abundance of clustered primordial black holes from quasar microlensing

    Astronomy and Astrophysics, Vol. 690

2023

  1. Constraints on the Abundance of Primordial Black Holes from X-Ray Quasar Microlensing Observations: Substellar to Planetary Mass Range

    Astrophysical Journal, Vol. 954, Núm. 2

  2. Revealing the structure of the lensed quasar Q 0957+561: III. Constraints on the size of the broad-line region

    Astronomy and Astrophysics, Vol. 678

2022

  1. A Mass Model for the Lensing Cluster SDSS J1004+4112: Constraints from the Third Time Delay

    Astrophysical Journal, Vol. 937, Núm. 1

  2. Abundance of LIGO/Virgo Black Holes from Microlensing Observations of Quasars with Reverberation Mapping Size Estimates

    Astrophysical Journal, Vol. 929, Núm. 2

  3. Limiting the Abundance of LIGO/Virgo Black Holes with Microlensing Observations of Quasars of Finite Size

    Astrophysical Journal Letters, Vol. 929, Núm. 1

  4. Probing the Structure of SDSS J1004+4112 through Microlensing Analysis of Spectroscopic Data

    Proceedings of the International Astronomical Union

  5. Revealing the structure of the lensed quasar Q 0957+561: II. Supermassive black hole mass via gravitational redshift

    Astronomy and Astrophysics, Vol. 667

  6. Stellar mass fraction and quasar accretion disk size in SDSS J1004+4112 from photometric follow-up

    Proceedings of the International Astronomical Union

2020

  1. Individual Estimates of the Virial Factor in 10 Quasars: Implications on the Kinematics of the Broad-line Region

    Astrophysical Journal, Vol. 895, Núm. 2

  2. The Impact of the Mass Spectrum of Lenses in Quasar Microlensing Studies. Constraints on a Mixed Population of Primordial Black Holes and Stars

    Astrophysical Journal, Vol. 904, Núm. 2

2019

  1. Measuring Supermassive Black Hole Masses: Correlation between the Redshifts of the Fe iii UV Lines and the Widths of Broad Emission Lines

    Astrophysical Journal, Vol. 880, Núm. 2

2018

  1. Estimate of the Accretion Disk Size in the Gravitationally Lensed Quasar HE 0435-1223 Using Microlensing Magnification Statistics

    Astrophysical Journal, Vol. 869, Núm. 2

  2. Microlensing and Intrinsic Variability of the Broad Emission Lines of Lensed Quasars

    Astrophysical Journal, Vol. 859, Núm. 1

  3. Systematic Redshift of the Fe III UV Lines in Quasars: Measuring Supermassive Black Hole Masses under the Gravitational Redshift Hypothesis

    Astrophysical Journal, Vol. 862, Núm. 2

2017

  1. Limits on the Mass and Abundance of Primordial Black Holes from Quasar Gravitational Microlensing

    Astrophysical Journal Letters, Vol. 836, Núm. 2