The nature and size of the optical continuum source in QSO 2237+ 0305 VN Shalyapin, LJ Goicoechea, D Alcalde, E Mediavilla, JA Munoz, ... The Astrophysical Journal 579 (1), 127, 2002 | 77 | 2002 |
QSO 2237+ 0305 VR light curves from Gravitational Lenses International Time Project optical monitoring D Alcalde, E Mediavilla, O Moreau, JA Munoz, C Libbrecht, ... The Astrophysical Journal 572 (2), 729, 2002 | 64 | 2002 |
Around-the-clock observations of the Q0957+ 561A, B gravitationally lensed quasar. II. Results for the second observing season WN Colley, RE Schild, C Abajas, D Alcalde, Z Aslan, I Bikmaev, ... The Astrophysical Journal 587 (1), 71, 2003 | 56 | 2003 |
Time delay of QSO 0957+ 561 and cosmological implications A Oscoz, E Mediavilla, LJ Goicoechea, M Serra-Ricart, J Buitrago The Astrophysical Journal 479 (2), L89, 1997 | 55 | 1997 |
Highlights of Spanish Astrophysics V AA Djupvik, J Andersen, JM Diego, LJ Goicoechea, JI González-Serrano, ... Astrophys. Space Sci. Proc. 14, 211, 2010 | 51 | 2010 |
Two-dimensional Spectroscopy Reveals an Arc of Extended Emission in the Gravitational Lens System Q2237+ 0305 E Mediavilla, S Arribas, C Del Burgo, A Oscoz, M Serra-Ricart, D Alcalde, ... The Astrophysical Journal 503 (1), L27, 1998 | 49 | 1998 |
Support for the gravitational lens interpretation of SBS 0909+ 532 A Oscoz, M Serra-Ricart, E Mediavilla, J Buitrago, LJ Goicoechea The Astrophysical Journal 491 (1), L7, 1997 | 49 | 1997 |
New two-colour light curves of Q0957+ 561: time delays and the origin of intrinsic variations VN Shalyapin, LJ Goicoechea, E Koptelova, A Ullán, R Gil-Merino Astronomy & Astrophysics 492 (2), 401-410, 2008 | 48 | 2008 |
BVRI photometry of QSO 0957+ 561A, B: Observations, new reduction method, and time delay M Serra-Ricart, A Oscoz, T Sanchís, E Mediavilla, LJ Goicoechea, ... The Astrophysical Journal 526 (1), 40, 1999 | 48 | 1999 |
Time delay and accretion disk size measurements in the lensed quasar SBS 0909+ 532 from multiwavelength microlensing analysis LJ Hainline, CW Morgan, CL MacLeod, ZD Landaal, CS Kochanek, ... The Astrophysical Journal 774 (1), 69, 2013 | 45 | 2013 |
First robotic monitoring of a lensed quasar: intrinsic variability of SBS 0909+ 532 LJ Goicoechea, VN Shalyapin, E Koptelova, R Gil-Merino, AP Zheleznyak, ... New Astronomy 13 (3), 182-193, 2008 | 43 | 2008 |
Time delays in the gravitationally lensed quasar H1413+ 117 (Cloverleaf) LJ Goicoechea, VN Shalyapin The Astrophysical Journal 708 (2), 995, 2009 | 41 | 2009 |
Determination of the properties of the central engine in microlensed QSOs LJ Goicoechea, D Alcalde, E Mediavilla, JA Munoz Astronomy & Astrophysics 397 (2), 517-525, 2003 | 34 | 2003 |
Time delay of SBS 0909+ 532 A Ullán, LJ Goicoechea, AP Zheleznyak, E Koptelova, VV Bruevich, ... Astronomy & Astrophysics 452 (1), 25-35, 2006 | 33 | 2006 |
The dark halo of the main lens galaxy in QSO 0957+ 561 LJ Goicoechea, R Gil-Merino, A Ullan Monthly Notices of the Royal Astronomical Society: Letters 360 (1), L60-L63, 2005 | 33 | 2005 |
Multiple delays in QSO 0957+ 561: observational evidence and interpretation LJ Goicoechea Monthly Notices of the Royal Astronomical Society 334 (4), 905-911, 2002 | 32 | 2002 |
Observational and theoretical aspects of relativistic astrophysics and cosmology BJ Carr, JL Sans, LJ Goicoechea JL Sanz, LJ, 1985 | 32 | 1985 |
Limits on the transverse velocity of the lensing galaxy in Q2237+ 0305 from the lack of strong microlensing variability R Gil-Merino, J Wambsganss, LJ Goicoechea, GF Lewis Astronomy & Astrophysics 432 (1), 83-89, 2005 | 28 | 2005 |
Gravitational lens system SDSS J1339+ 1310: microlensing factory and time delay LJ Goicoechea, VN Shalyapin Astronomy & Astrophysics 596, A77, 2016 | 27 | 2016 |
Is there a caustic crossing in the lensed quasar Q2237+ 0305 observational data record? R Gil-Merino, J González-Cadelo, LJ Goicoechea, VN Shalyapin, ... Monthly Notices of the Royal Astronomical Society 371 (3), 1478-1482, 2006 | 26 | 2006 |