Yiannis Tsapras

publications

Below is a chronological list of all refereed publications I have been involved in (not including conference proceedings, white papers or arXiv submissions). For a more comprehensive list, please run an ADS query or search for me on the arXiv.org server. Where there are more than 10 authors involved in a publication I have only listed the first author.

refereed publications [last update: 06/12/2023]

• Hambleton, K. M., et al., 2023, Publications of the Astronomical Society of the Pacific, 135, 105002: Rubin Observatory LSST Transients and Variable Stars Roadmap

• Street, R. A., et al., 2023, The Astrophysical Journal Supplement Series, 267, 15: LSST Survey Strategy in the Galactic Plane and Magellanic Clouds

• Olmschenk, G., et al., 2023, The Astronomical Journal, 165, 175: MOA-2020-BLG-208Lb: Cool Sub-Saturn-mass Planet within Predicted Desert

• Bachelet, E., et al., 2022, The Astronomical Journal, 164, 75: MOA-2019-BLG-008Lb: A New Microlensing Detection of an Object at the Planet/Brown Dwarf Boundary

• Zang, W., et al., 2022, Monthly Notices of the Royal Astronomical Society, 514, 5952: OGLE-2018-BLG-0799Lb: a q 2.7 × 10<SUP>-3</SUP> planet with Spitzer parallax

• Gorrini, P., et al., 2022, Astronomy and Astrophysics, 664, A64: Detailed stellar activity analysis and modelling of GJ 832. Reassessment of the putative habitable zone planet GJ 832c

• Sahu, K. C., et al., 2022, The Astrophysical Journal, 933, 83: An Isolated Stellar-mass Black Hole Detected through Astrometric Microlensing

• Herald, A., et al., 2022, Astronomy and Astrophysics, 663, A100: Precision measurement of a brown dwarf mass in a binary system in the microlensing event. OGLE-2019-BLG-0033/MOA-2019-BLG-035

• Kruszyńska, K., et al., 2022, Astronomy and Astrophysics, 662, A59: Lens parameters for Gaia18cbf - a long gravitational microlensing event in the Galactic plane

• Cassan, A., et al., 2022, Nature Astronomy, 6, 121: Microlensing mass measurement from images of rotating gravitational arcs

• Rybicki, K. A., et al., 2022, Astronomy and Astrophysics, 657, A18: Single-lens mass measurement in the high-magnification microlensing event Gaia19bld located in the Galactic disc

• Bachelet, E., et al., 2022, Astronomy and Astrophysics, 657, A17: A spectroscopic follow-up for Gaia19bld

• Yee, J. C., et al., 2021, The Astronomical Journal, 162, 180: OGLE-2019-BLG-0960 Lb: the Smallest Microlensing Planet

• Hitchcock, J. A., Hundertmark, M., Foreman-Mackey, D., Bachelet, E., Dominik, M., Street, R., & Tsapras, Y., 2021, Monthly Notices of the Royal Astronomical Society, 504, 3561: PyTorchDIA: a flexible, GPU-accelerated numerical approach to Difference Image Analysis

• Szegedi-Elek, E., et al., 2020, The Astrophysical Journal, 899, 130: Gaia 18dvy: A New FUor in the Cygnus OB3 Association

• Hirao, Y., et al., 2020, The Astronomical Journal, 160, 74: OGLE-2017-BLG-0406: Spitzer Microlens Parallax Reveals Saturn-mass Planet Orbiting M-dwarf Host in the Inner Galactic Disk

• Zang, W., et al., 2020, The Astrophysical Journal, 891, 3: Spitzer Microlensing Parallax Reveals Two Isolated Stars in the Galactic Bulge

• Miyazaki, S., et al., 2020, The Astronomical Journal, 159, 76: OGLE-2013-BLG-0911Lb: A Secondary on the Brown-dwarf Planet Boundary around an M Dwarf

• Wyrzykowski, Ł., et al., 2020, Astronomy and Astrophysics, 633, A98: Full orbital solution for the binary system in the northern Galactic disc microlensing event Gaia16aye

• Tsapras, Y., et al., 2019, Publications of the Astronomical Society of the Pacific, 131, 124401: ROME/REA: A Gravitational Microlensing Search for Exoplanets Beyond the Snow Line on a Global Network of Robotic Telescopes

• Nagakane, M., et al., 2019, The Astronomical Journal, 158, 212: OGLE-2015-BLG-1649Lb: A Gas Giant Planet around a Low-mass Dwarf

• Fukui, A., et al., 2019, The Astronomical Journal, 158, 206: Kojima-1Lb Is a Mildly Cold Neptune around the Brightest Microlensing Host Star

• Li, S.-S., et al., 2019, Monthly Notices of the Royal Astronomical Society, 488, 3308: OGLE-2017-BLG-1186: first application of asteroseismology and Gaussian processes to microlensing

• Tsapras, Y., et al., 2019, Monthly Notices of the Royal Astronomical Society, 487, 4603: An analysis of binary microlensing event OGLE-2015-BLG-0060

• Street, R. A., et al., 2019, The Astronomical Journal, 157, 215: OGLE-2018-BLG-0022: A Nearby M-dwarf Binary

• Dominik, M., et al., 2019, Monthly Notices of the Royal Astronomical Society, 484, 5608: OGLE-2014-BLG-1186: gravitational microlensing providing evidence for a planet orbiting the foreground star or for a close binary source?
  

• Shvartzvald, Y., et al., 2019, The Astronomical Journal, 157, 106: Spitzer Microlensing Parallax for OGLE-2017-BLG-0896 Reveals a Counter-rotating Low-mass Brown Dwarf
  

• Bachelet, E., et al., 2019, The Astrophysical Journal, 870, 11: First Assessment of the Binary Lens OGLE-2015-BLG-0232
  

• Ribas, I., et al., 2018, Nature, 563, 365: A candidate super-Earth planet orbiting near the snow line of Barnard's star
  

• Tsapras, Y., 2018, Geosciences, 8, 365: Microlensing Searches for Exoplanets
  

• Udalski, A., et al., 2018, The Astrophysical Journal, 853, 70: OGLE-2014-BLG-0289: Precise Characterization of a Quintuple-peak Gravitational Microlensing Event
  

• Ryu, Y.-H., et al., 2018, The Astronomical Journal, 155, 40: OGLE-2016-BLG- 1190Lb: The First Spitzer Bulge Planet Lies Near the Planet/Brown-dwarf Boundary
  

• Hundertmark, M., et al., 2018, Astronomy and Astrophysics, 609, A55: RoboTAP: Target priorities for robotic microlensing observations
  

• Wang, T., et al., 2017, The Astrophysical Journal, 845, 129: Ground-based Parallax Confirmed by Spitzer: Binary Microlensing Event MOA-2015-BLG-020
  

• Koshimoto, N., et al., 2017, The Astronomical Journal, 154, 3: MOA-2016-BLG- 227Lb: A Massive Planet Characterized by Combining Light-curve Analysis and Keck AO Imaging
  

• Rattenbury, N. J., et al., 2017, Monthly Notices of the Royal Astronomical Society, 466, 2710: Faint-source-star planetary microlensing: the discovery of the cold gas-giant planet OGLE-2014 -BLG-0676Lb
  

• Tsapras, Y., Arellano Ferro, A., Bramich, D. M., Jaimes, R. F., Kains, N., Street, R., Hundertmark, M., Horne, K., Dominik, M. & Snodgrass, C., 2017, Monthly Notices of the Royal Astronomical Society, 465, 2489: Variable stars in the bulge globular cluster NGC 6401
  

• Henderson, C. B., et al., 2016, Publications of the Astronomical Society of the Pacific, 128, 124401: Campaign 9 of the K2 Mission: Observational Parameters, Scientific Drivers, and Community Involvement for a Simultaneous Space- and Ground-based Microlensing Survey
  

• Shvartzvald, Y., et al., 2016, The Astrophysical Journal, 831, 183: The First Simultaneous Microlensing Observations by Two Space Telescopes: Spitzer and Swift Reveal a Brown Dwarf in Event OGLE-2015-BLG-1319
  

• Bhattacharya, A., et al., 2016, The Astronomical Journal, 152, 140: Discovery of a Gas Giant Planet in Microlensing Event OGLE-2014-BLG-1760
  

• Bennett, D. P., et al., 2016, The Astronomical Journal, 152, 125: The First Circumbinary Planet Found by Microlensing: OGLE-2007-BLG-349L(AB)c
  

• Han, C., et al., 2016, The Astrophysical Journal, 828, 53: OGLE-2015-BLG- 0479LA,B: Binary Gravitational Microlens Characterized by Simultaneous Ground- based and Space-based Observations
  

• Anglada-Escudé, G., et al., 2016, Nature, 536, 437: A terrestrial planet candidate in a temperate orbit around Proxima Centauri
  

• Zhu, W., et al., 2016, The Astrophysical Journal, 825, 60: Mass Measurements of Isolated Objects from Space-based Microlensing
  

• Poleski, R., et al., 2016, The Astrophysical Journal, 823, 63: The Spitzer Microlensing Program as a Probe for Globular Cluster Planets: Analysis of OGLE-2015-BLG-0448
  

• Tsapras, Y., et al., 2016, Monthly Notices of the Royal Astronomical Society, 457, 1320: The OGLE-III planet detection efficiency from six years of microlensing observations (2003-2008)
  

• Street, R. A., et al., 2016, The Astrophysical Journal, 819, 93: Spitzer Parallax of OGLE-2015-BLG-0966: A Cold Neptune in the Galactic Disk
  

• Shvartzvald, Y., et al., 2015, The Astrophysical Journal, 814, 111: Spitzer Microlens Measurement of a Massive Remnant in a Well-separated Binary
  

• Bachelet, E., et al., 2015, The Astrophysical Journal, 812, 136: Red Noise Versus Planetary Interpretations in the Microlensing Event Ogle-2013-BLG-446
  

• Fukui, A., et al., 2015, The Astrophysical Journal, 809, 74: OGLE-2012-BLG- 0563Lb: A Saturn-mass Planet around an M Dwarf with the Mass Constrained by Subaru AO Imaging
  

• Ranc, C., et al., 2015, Astronomy and Astrophysics, 580, A125: MOA-2007-BLG-197: Exploring the brown dwarf desert
  

• Kains, N., et al., 2015, Astronomy and Astrophysics, 578, A128: A census of variability in globular cluster M 68 (NGC 4590)
  

• Jeong, J., et al., 2015, The Astrophysical Journal, 804, 38: Reanalyses of Anomalous Gravitational Microlensing Events in the OGLE-III Early Warning System Database with Combined Data
  

• Skowron, J., et al., 2015, The Astrophysical Journal, 804, 33: OGLE-2011-BLG- 0265Lb: A Jovian Microlensing Planet Orbiting an M Dwarf
  

• Calchi Novati, S., et al., 2015, The Astrophysical Journal, 804, 20: Pathway to the Galactic Distribution of Planets: Combined Spitzer and Ground-Based Microlens Parallax Measurements of 21 Single-Lens Events
  

• Southworth, J., et al., 2014, Monthly Notices of the Royal Astronomical Society, 444, 776: High-precision photometry by telescope defocussing - VI. WASP-24, WASP-25 and WASP-26
  

• Henderson, C. B., et al., 2014, The Astrophysical Journal, 794, 71: Candidate Gravitational Microlensing Events for Future Direct Lens Imaging
  

• Mancini, L., et al., 2014, Astronomy and Astrophysics, 568, A127: Physical properties of the WASP-67 planetary system from multi-colour photometry
  

• Yee, J. C., et al., 2014, The Astrophysical Journal, 790, 14: MOA-2013-BLG- 220Lb: Massive Planetary Companion to Galactic-disk Host
  

• Dong, S., et al., 2014, The Astrophysical Journal, 788, 41: OGLE-LMC- ECL-11893: The Discovery of a Long-period Eclipsing Binary with a Circumstellar Disk
  

• Bennett, D. P., et al., 2014, The Astrophysical Journal, 785, 155: MOA-2011-BLG- 262Lb: A Sub-Earth-Mass Moon Orbiting a Gas Giant Primary or a High Velocity Planetary System in the Galactic Bulge
  

• Tsapras, Y., et al., 2014, The Astrophysical Journal, 782, 48: A Super-Jupiter Orbiting a Late-type Star: A Refined Analysis of Microlensing Event OGLE-2012-BLG-0406
  

• Mancini, L., et al., 2014, Astronomy and Astrophysics, 562, A126: Physical properties and transmission spectrum of the WASP-80 planetary system from multi- colour photometry
  

• Furusawa, K., et al., 2013, The Astrophysical Journal, 779, 91: MOA-2010-BLG- 328Lb: A Sub-Neptune Orbiting very Late M Dwarf?
  

• Park, H., et al., 2013, The Astrophysical Journal, 778, 134: Gravitational Binary-lens Events with Prominent Effects of Lens Orbital Motion
  

• Hwang, K.-H., et al., 2013, The Astrophysical Journal, 778, 55: Interpretation of a Short-term Anomaly in the Gravitational Microlensing Event MOA-2012-BLG-486
  

• Han, C., et al., 2013, The Astrophysical Journal, 778, 38: Microlensing Discovery of a Tight, Low-mass-ratio Planetary-mass Object around an Old Field Brown Dwarf
  

• Brown, T. M., et al., 2013, Publications of the Astronomical Society of the Pacific, 125, 1031: Las Cumbres Observatory Global Telescope Network
  

• Yee, J. C., et al., 2013, The Astrophysical Journal, 769, 77: MOA-2010-BLG-311: A Planetary Candidate below the Threshold of Reliable Detection
  

• Choi, J.-Y., et al., 2013, The Astrophysical Journal, 768, 129: Microlensing Discovery of a Population of Very Tight, Very Low Mass Binary Brown Dwarfs
  

• Kains, N., et al., 2013, Astronomy and Astrophysics, 552, A70: A giant planet beyond the snow line in microlensing event OGLE-2011-BLG-0251
  

• Gould, A., et al., 2013, The Astrophysical Journal, 763, 141: MOA-2010-BLG-523: "Failed Planet" = RS CVn Star
  

• Bramich, D. M., et al., 2013, Monthly Notices of the Royal Astronomical Society, 428, 2275: Difference image analysis: extension to a spatially varying photometric scale factor and other considerations
  

• Street, R. A., et al., 2013, The Astrophysical Journal, 763, 67: MOA-2010-BLG- 073L: An M-dwarf with a Substellar Companion at the Planet/Brown Dwarf Boundary
  

• Shin, I.-G., et al., 2012, The Astrophysical Journal, 760, 116: Microlensing Binaries with Candidate Brown Dwarf Companions
  

• Bachelet, E., et al., 2012, Astronomy and Astrophysics, 547, A55: A brown dwarf orbiting an M-dwarf: MOA 2009-BLG-411L
  

• Choi, J.-Y., et al., 2012, The Astrophysical Journal, 756, 48: A New Type of Ambiguity in the Planet and Binary Interpretations of Central Perturbations of High-magnification Gravitational Microlensing Events
  

• Bozza, V., et al., 2012, Monthly Notices of the Royal Astronomical Society, 424, 902: OGLE -2008-BLG-510: first automated real-time detection of a weak microlensing anomaly - brown dwarf or stellar binary?
  

• Shin, I.-G., et al., 2012, The Astrophysical Journal, 755, 91: Characterizing Low-mass Binaries from Observation of Long-timescale Caustic-crossing Gravitational Microlensing Events
  

• Bachelet, E., et al., 2012, The Astrophysical Journal, 754, 73: MOA 2010-BLG- 477Lb: Constraining the Mass of a Microlensing Planet from Microlensing Parallax, Orbital Motion, and Detection of Blended Light
  

• Miyake, N., et al., 2012, The Astrophysical Journal, 752, 82: A Possible Binary System of a Stellar Remnant in the High-magnification Gravitational Microlensing Event OGLE-2007-BLG-514
  

• Choi, J.-Y., et al., 2012, The Astrophysical Journal, 751, 41: Characterizing Lenses and Lensed Stars of High-magnification Single-lens Gravitational Microlensing Events with Lenses Passing over Source Stars
  

• Shin, I.-G., et al., 2012, The Astrophysical Journal, 746, 127: Microlensing Binaries Discovered through High-magnification Channel
  

• Muraki, Y., et al., 2011, The Astrophysical Journal, 741, 22: Discovery and Mass Measurements of a Cold, 10 Earth Mass Planet and Its Host Star
  

• Skowron, J., et al., 2011, The Astrophysical Journal, 738, 87: Binary Microlensing Event OGLE-2009-BLG-020 Gives Verifiable Mass, Distance, and Orbit Predictions
  

• Cano, Z., et al., 2011, Monthly Notices of the Royal Astronomical Society, 413, 669: A tale of two GRB-SNe at a common redshift of z=0.54
  

• Batista, V., et al., 2011, Astronomy and Astrophysics, 529, A102: MOA-2009-BLG- 387Lb: a massive planet orbiting an M dwarf
  

• Miyake, N., et al., 2011, The Astrophysical Journal, 728, 120: A Sub-Saturn Mass Planet, MOA-2009-BLG-319Lb
  

• Ryu, Y.-H., et al., 2010, The Astrophysical Journal, 723, 81: OGLE-2009-BLG-092/MOA-2009-BL G-137: A Dramatic Repeating Event with the Second Perturbation Predicted by Real-time Analysis
  

• Gould, A., et al., 2010, The Astrophysical Journal, 720, 1073: Frequency of Solar-like Systems and of Ice and Gas Giants Beyond the Snow Line from High- magnification Microlensing Events in 2005-2008
  

• Hidas, M. G., et al., 2010, Monthly Notices of the Royal Astronomical Society, 406, 1146: An ingress and a complete transit of HD80606 b
  

• Dominik, M., et al., 2010, Astronomische Nachrichten, 331, 671: Realisation of a fully-deterministic microlensing observing strategy for inferring planet populations
  

• Fouqué, P., et al., 2010, Astronomy and Astrophysics, 518, A51: OGLE 2008-BLG-290: an accurate measurement of the limb darkening of a galactic bulge K Giant spatially resolved by microlensing
  

• Cassan, A., Horne, K., Kains, N., Tsapras, Y. & Browne, P., 2010, Astronomy and Astrophysics, 515, A52: Bayesian analysis of caustic-crossing microlensing events
  

• Tsapras, Y., Carr, B. J., Weston, M. J., Kerins, E., Baillon, P., Gould, A. & Paulin-Henriksson, S., 2010, Monthly Notices of the Royal Astronomical Society, 404, 604: The POINT-AGAPE survey: comparing automated searches of microlensing events towards M31
  

• Bennett, D. P., et al., 2010, The Astrophysical Journal, 713, 837: Masses and Orbital Constraints for the OGLE-2006-BLG-109Lb,c Jupiter/Saturn Analog Planetary System
  

• Sumi, T., et al., 2010, The Astrophysical Journal, 710, 1641: A Cold Neptune- Mass Planet OGLE-2007-BLG-368Lb: Cold Neptunes Are Common
  

• Batista, V., et al., 2009, Astronomy and Astrophysics, 508, 467: Mass measurement of a single unseen star and planetary detection efficiency for OGLE 2007-BLG-050
  

• Han, C., et al., 2009, The Astrophysical Journal, 705, 1116: Interpretation of Strong Short-Term Central Perturbations in the Light Curves of Moderate- Magnification Microlensing Events
  

• Albrow, M. D., et al., 2009, Monthly Notices of the Royal Astronomical Society, 397, 2099: Difference imaging photometry of blended gravitational microlensing events with a numerical kernel
  

• Horne, K., Snodgrass, C. & Tsapras, Y., 2009, Monthly Notices of the Royal Astronomical Society, 396, 2087: A metric and optimization scheme for microlens planet searches
  

• Gould, A., et al., 2009, The Astrophysical Journal, 698, L147: The Extreme Microlensing Event OGLE-2007-BLG-224: Terrestrial Parallax Observation of a Thick-Disk Brown Dwarf
  

• Kains, N., et al., 2009, Monthly Notices of the Royal Astronomical Society, 395, 787: A systematic fitting scheme for caustic-crossing microlensing events
  

• Tsapras, Y., et al., 2009, Astronomische Nachrichten, 330, 4: RoboNet-II: Follow-up observations of microlensing events with a robotic network of telescopes
  

• Kubas, D., et al., 2008, Astronomy and Astrophysics, 483, 317: Limits on additional planetary companions to OGLE 2005-BLG-390L
  

• Dominik, M., et al., 2008, Astronomische Nachrichten, 329, 248: ARTEMiS (Automated Robotic Terrestrial Exoplanet Microlensing Search): A possible expert-system based cooperative effort to hunt for planets of Earth mass and below
  

• Gaudi, B. S., et al., 2008, Science, 319, 927: Discovery of a Jupiter/Saturn Analog with Gravitational Microlensing
  

• Dominik, M., Rattenbury, N. J., Allan, A., Mao, S., Bramich, D. M., Burgdorf, M. J., Kerins, E., Tsapras, Y. & Wyrzykowski, Ł., 2007, Monthly Notices of the Royal Astronomical Society, 380, 792: An anomaly detector with immediate feedback to hunt for planets of Earth mass and below by microlensing
  

• Burgdorf, M. J., Bramich, D. M., Dominik, M., Bode, M. F., Horne, K. D., Steele, I. A., Rattenbury, N. & Tsapras, Y., 2007, Planetary and Space Science, 55, 582: Exoplanet detection via microlensing with RoboNet-1.0
  

• Darnley, M. J., et al., 2006, Monthly Notices of the Royal Astronomical Society, 369, 257: Classical novae from the POINT-AGAPE microlensing survey of M31 - II. Rate and statistical characteristics of the nova population
  

• Kane, S. R., Collier Cameron, A., Horne, K., James, D., Lister, T. A., Pollacco, D. L., Street, R. A. & Tsapras, Y., 2005, Monthly Notices of the Royal Astronomical Society, 364, 1091: Results from the Wide Angle Search for Planets Prototype (WASP0) - III. Planet hunting in the Draco field
  

• Calchi Novati, S., et al., 2005, Astronomy and Astrophysics, 443, 911: POINT-AGAPE pixel lensing survey of M 31. Evidence for a MACHO contribution to galactic halos
  

• Kane, S. R., Lister, T. A., Collier Cameron, A., Horne, K., James, D., Pollacco, D. L., Street, R. A. & Tsapras, Y., 2005, Monthly Notices of the Royal Astronomical Society, 362, 117: Results from the Wide Angle Search for Planets Prototype (WASP0) - II. Stellar variability in the Pegasus field
  

• Hood, B., et al., 2005, Monthly Notices of the Royal Astronomical Society, 360, 791: A dearth of planetary transits in the direction of NGC 6940
  

• Bramich, D. M., et al., 2005, Monthly Notices of the Royal Astronomical Society, 359, 1096: A survey for planetary transits in the field of NGC 7789
  

• Street, R. A., Horne, K., Lister, T. A., Penny, A., Tsapras, Y., Quirrenbach, A., Safizadeh, N., Cooke, J., Mitchell, D. & Collier Cameron, A., 2005, Monthly Notices of the Royal Astronomical Society, 358, 795: Variable stars in the field of open cluster NGC 6819 - II
  

• Belokurov, V., et al., 2005, Monthly Notices of the Royal Astronomical Society, 357, 17: The POINT-AGAPE survey - II. An unrestricted search for microlensing events towards M31
  

• Kane, S. R., Collier Cameron, A., Horne, K., James, D., Lister, T. A., Pollacco, D. L., Street, R. A. & Tsapras, Y., 2004, Monthly Notices of the Royal Astronomical Society, 353, 689: Results from the Wide-Angle Search for Planets prototype (WASP0) - I. Analysis of the Pegasus field
  

• Darnley, M. J., et al., 2004, Monthly Notices of the Royal Astronomical Society, 353, 571: Classical novae from the POINT-AGAPE microlensing survey of M31 - I. The nova catalogue
  

• An, J. H., et al., 2004, Monthly Notices of the Royal Astronomical Society, 351, 1071: The POINT-AGAPE Survey - I. The variable stars in M31
  

• Snodgrass, C., Horne, K. & Tsapras, Y., 2004, Monthly Notices of the Royal Astronomical Society, 351, 967: The abundance of Galactic planets from OGLE-III 2002 microlensing data
  

• Mora, A., et al., 2004, Astronomy and Astrophysics, 419, 225: Dynamics of the circumstellar gas in the Herbig Ae stars BF Orionis, SV Cephei, WW Vulpeculae and XY Persei
  

• An, J. H., et al., 2004, The Astrophysical Journal, 601, 845: The Anomaly in the Candidate Microlensing Event PA-99-N2
  

• Kerins, E., et al., 2003, The Astrophysical Journal, 598, 993: Theory of Pixel Lensing toward M31. II. The Velocity Anisotropy and Flattening of the MACHO Distribution
  

• Tsapras, Y., Horne, K., Kane, S. & Carson, R., 2003, Monthly Notices of the Royal Astronomical Society, 343, 1131: Microlensing limits on numbers and orbits of extrasolar planets from the 1998-2000 OGLE events
  

• Street, R. A., Horne, K., Lister, T. A., Penny, A. J., Tsapras, Y., Quirrenbach, A., Safizadeh, N., Mitchell, D., Cooke, J. & Collier Cameron, A., 2003, Monthly Notices of the Royal Astronomical Society, 340, 1287: Searching for planetary transits in the field of open cluster NGC 6819 - I
  

• Tsapras, Y., et al., 2002, Monthly Notices of the Royal Astronomical Society, 337, 41: Constraints on Jupiters from observations of Galactic bulge microlensing events during 2000
  

• Mora, A., et al., 2002, Astronomy and Astrophysics, 393, 259: A dynamical study of the circumstellar gas in UX Orionis
  

• Street, R. A., Horne, K., Lister, T. A., Penny, A., Tsapras, Y., Quirrenbach, A., Safizadeh, N., Cooke, J., Mitchell, D. & Collier Cameron, A., 2002, Monthly Notices of the Royal Astronomical Society, 330, 737: Variable stars in the field of open cluster NGC 6819
  

• Eiroa, C., et al., 2002, Astronomy and Astrophysics, 384, 1038: On the simultaneous optical and near-infrared variability of pre-main sequence stars
  

• Oudmaijer, R. D., et al., 2001, Astronomy and Astrophysics, 379, 564: EXPORT: Optical photometry and polarimetry of Vega-type and pre-main sequence stars
  

• Mora, A., et al., 2001, Astronomy and Astrophysics, 378, 116: EXPORT: Spectral classification and projected rotational velocities of Vega-type and pre-main sequence stars
  

• Tsapras, Y., et al., 2001, Monthly Notices of the Royal Astronomical Society, 325, 1205: Can Jupiters be found by monitoring Galactic bulge microlensing events from northern sites?
  

• Eiroa, C., et al., 2001, Astronomy and Astrophysics, 365, 110: EXPORT: Near- IR observations of Vega-type and pre-main sequence stars