L. J. Goicoechea
Papers
6
Total Citations
122
H-Index
5
About
L. J. Goicoechea is an observational astrophysicist whose research focuses on gravitational lensing of quasars, time delay measurements, and accretion disk physics. Working at the intersection of cosmology and extragalactic astronomy, Goicoechea has made significant contributions to our understanding of lensed quasar systems through sustained, multi-wavelength monitoring campaigns. Among their most notable achievements is a comprehensive multiwavelength microlensing analysis of SBS 0909+532 (2013, 38 citations), which yielded precise measurements of both time delays and accretion disk sizes — quantities with direct implications for cosmological distance estimation and quasar structure. Their 2007 study of the same system (31 citations) pioneered robotic telescope monitoring of lensed quasars, demonstrating the power of automated observational infrastructure for this science. Goicoechea's extensive monitoring of the iconic double quasar Q0957+561 across multiple studies has refined time delay estimates and shed light on the origins of intrinsic quasar variability (2008, 25 citations). Through the Liverpool Quasar Lens Monitoring (LQLM) project, Goicoechea helped establish robotic, long-baseline optical monitoring as a standard tool in gravitational lens research. Their cumulative body of work, spanning over a decade of observations, represents a dedicated and impactful contribution to precision cosmology and quasar astrophysics.
Research Focus
Key Achievements
Top Papers
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- 3New two-colour light curves of Q0957+561: time delays and the origin of intrinsic variations25 citations · 2008
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- 6Robotic Monitoring of Gravitationally Lensed Quasars4 citations · 2010