All Stories

  1. Coordinated Planetary Defence in action: Colors and lightcurve of asteroid 2024 YR4

    Article • July 2025, Copernicus GmbH

    Dr Olivier R Hainaut

  2. Size Constraint on Hayabusa2 Extended Mission Rendezvous Target 1998 KY26 via VLT/VISIR Nondetection

    Article • The Astronomical Journal, April 2025, American Astronomical Society

    Dr Olivier R Hainaut

  3. A method for asteroid detection using convolutional neural networks on VST images

    Article • Astronomy and Astrophysics, January 2025, EDP Sciences

    Dr Olivier R Hainaut

  4. Two distinct populations of dark comets delineated by orbits and sizes

    Article • Proceedings of the National Academy of Sciences, December 2024, Proceedings of the National Academy of Sciences

    Dr Olivier R Hainaut

  5. High resolution optical spectroscopy of 2I/Borisov: a surprising similarity to solar system comets

    Article • May 2024, Copernicus GmbH

    Dr Olivier R Hainaut

  6. Contamination of spectroscopic observations by satellite constellations

    Article • Astronomy and Astrophysics, January 2024, EDP Sciences

    Dr Olivier R Hainaut

  7. Fitting the Light Curve of 1I/‘Oumuamua with a Nonprincipal Axis Rotational Model and Outgassing Torques

    Article • The Planetary Science Journal, October 2023, American Astronomical Society

    Dr Olivier R Hainaut

  8. Numerical Simulations of Tidal Deformation and Resulting Light Curves of Small Bodies: Material Constraints of 99942 Apophis and 1I/‘Oumuamua

    Article • The Planetary Science Journal, May 2023, American Astronomical Society

    Dr Olivier R Hainaut

  9. (523599) 2003 RM: The Asteroid that Wanted to be a Comet

    Article • The Planetary Science Journal, February 2023, American Astronomical Society

    Dr Olivier R Hainaut

  10. Dark Comets? Unexpectedly Large Nongravitational Accelerations on a Sample of Small Asteroids

    Article • The Planetary Science Journal, February 2023, American Astronomical Society

    Dr Olivier R Hainaut

  11. TNO or Comet? The Search for Activity and Characterization of Distant Object 418993 (2009 MS9)

    Article • The Planetary Science Journal, January 2023, American Astronomical Society

    Dr Olivier R Hainaut

  12. End-to-end science operations in the era of Extremely Large Telescopes

    Article • Journal of Astronomical Telescopes Instruments and Systems, May 2022, SPIE

    Dr Olivier R Hainaut

  13. Near-earth asteroid (66391) Moshup (1999 KW4) observing campaign: Results from a global planetary defense characterization exercise

    Article • Icarus, March 2022, Elsevier

    Dr Olivier R Hainaut

  14. Possible Activity in 468861 (2013 LU28)

    Article • The Planetary Science Journal, February 2022, American Astronomical Society

    Dr Olivier R Hainaut

  15. Analytical simulations of the effect of satellite constellations on optical and near-infrared observations

    Article • Astronomy and Astrophysics, January 2022, EDP Sciences

    Dr Olivier R Hainaut

  16. Blast from the past: constraining progenitor models of SN 1972E

    Article • Monthly Notices of the Royal Astronomical Society, September 2021, Oxford University Press (OUP)

    Dr Olivier R Hainaut

  17. Elimination of a virtual impactor of 2006 QV89 via deep non-detection

    Article • Astronomy and Astrophysics, September 2021, EDP Sciences

    Dr Olivier R Hainaut

  18. The similarity of the interstellar comet 2I/Borisov to Solar System comets from high-resolution optical spectroscopy

    Article • Astronomy and Astrophysics, June 2021, EDP Sciences

    Dr Olivier R Hainaut

  19. Author Correction: Compact pebbles and the evolution of volatiles in the interstellar comet 2I/Borisov

    Article • Nature Astronomy, April 2021, Springer Science + Business Media

    Dr Olivier R Hainaut

  20. Compact pebbles and the evolution of volatiles in the interstellar comet 2I/Borisov

    Article • Nature Astronomy, March 2021, Springer Science + Business Media

    Dr Olivier R Hainaut

  21. In-Situ Exploration of Objects on Oort Cloud Comet Orbits: OCCs, Manxes and ISOs

    Article • March 2021, American Astronomical Society

    Dr Olivier R Hainaut

  22. Main Belt Comets as Clues to the Distribution of Water in the Early Solar System

    Article • March 2021, American Astronomical Society

    Dr Olivier R Hainaut

  23. Characterizing the Manx Candidate A/2018 V3

    Article • The Planetary Science Journal, February 2021, American Astronomical Society

    Dr Olivier R Hainaut

  24. Monitoring of the optical spectrum of comet 2I/Borisov at the VLT

    Article • October 2020, Copernicus GmbH

    Dr Olivier R Hainaut

  25. Impact of Satellite Constellations on Optical Astronomy and Recommendations Toward Mitigations

    Article • August 2020, American Astronomical Society

    Dr Olivier R Hainaut

  26. Impact of satellite constellations on astronomical observations with ESO telescopes in the visible and infrared domains

    Article • Astronomy and Astrophysics, April 2020, EDP Sciences

    Dr Olivier R Hainaut

  27. Detailed characterization of low activity comet 49P/Arend–Rigaux

    Article • Icarus, March 2020, Elsevier

    Dr Olivier R Hainaut

  28. 2I/Borisov: A C2-depleted interstellar comet

    Article • Astronomy and Astrophysics, November 2019, EDP Sciences

    Pr. Benkhaldoun Zouhair, Dr Olivier R Hainaut

  29. Detection of CN Gas in Interstellar Object 2I/Borisov

    Article • The Astrophysical Journal Letters, October 2019, American Astronomical Society

    Dr Olivier R Hainaut, Pr. Benkhaldoun Zouhair

  30. Disintegration of active asteroid P/2016 G1 (PANSTARRS)

    Article • Astronomy and Astrophysics, August 2019, EDP Sciences

    Dr Olivier R Hainaut

  31. Near-Earth asteroid 2012 TC4 observing campaign: Results from a global planetary defense exercise

    Article • Icarus, July 2019, Elsevier

    Dr Olivier R Hainaut

  32. The Sporadic Activity of (6478) Gault: A YORP-driven Event?

    Article • The Astrophysical Journal Letters, April 2019, American Astronomical Society

    Dr Olivier R Hainaut

  33. Plausible Home Stars of the Interstellar Object ‘Oumuamua Found in Gaia DR2

    Article • The Astronomical Journal, October 2018, American Astronomical Society

    Dr Olivier R Hainaut

  34. The Castalia mission to Main Belt Comet 133P/Elst-Pizarro

    Article • Advances in Space Research, October 2018, Elsevier

    Dr Olivier R Hainaut

  35. The ESO science archive: supporting and enhancing science from the La Silla Paranal Observatory

    Article • July 2018, SPIE

    Dr Olivier R Hainaut

  36. Diversity at ESO: Paranal Observatory

    Article • July 2018, SPIE

    Dr Olivier R Hainaut

  37. Non-gravitational acceleration in the trajectory of 1I/2017 U1 (‘Oumuamua)

    Article • Nature, June 2018, Springer Science + Business Media

    Dr Olivier R Hainaut

  38. The observing campaign on the deep-space debris WT1190F as a test case for short-warning NEO impacts

    Article • Icarus, April 2018, Elsevier

    Dr Olivier R Hainaut

  39. The Excited Spin State of 1I/2017 U1 ‘Oumuamua

    Article • The Astrophysical Journal Letters, March 2018, American Astronomical Society

    Dr Olivier R Hainaut

  40. Isotopic ratios in outbursting comet C/2015 ER61

    Article • Astronomy and Astrophysics, January 2018, EDP Sciences

    Dr Olivier R Hainaut

  41. A brief visit from a red and extremely elongated interstellar asteroid

    Article • Nature, November 2017, Springer Science + Business Media

    Dr Olivier R Hainaut

  42. CO-driven Activity in Comet C/2017 K2 (PANSTARRS)

    Article • The Astrophysical Journal Letters, October 2017, American Astronomical Society

    Dr Olivier R Hainaut

  43. The 67P/Churyumov–Gerasimenko observation campaign in support of the Rosetta mission

    Article • Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences, May 2017, Royal Society Publishing

    Dr Olivier R Hainaut, Galin Borisov

  44. Beginning of Activity in Long-period Comet C/2015 ER61 (PANSTARRS)

    Article • The Astronomical Journal, April 2017, American Astronomical Society

    Dr Olivier R Hainaut

  45. Inner solar system material discovered in the Oort cloud

    Article • Science Advances, April 2016, American Association for the Advancement of Science

    Dr Olivier R Hainaut

  46. Distant activity of 67P/Churyumov-Gerasimenko in 2014: Ground-based results during the Rosetta pre-landing phase

    Article • Astronomy and Astrophysics, March 2016, EDP Sciences

    Dr Olivier R Hainaut

  47. The dust environment of comet 67P/Churyumov-Gerasimenko from Rosetta OSIRIS and VLT observations in the 4.5 to 2.9 AU heliocentric distance range inbound

    Article • Astronomy and Astrophysics, March 2016, EDP Sciences

    Dr Olivier R Hainaut

  48. SUBLIMATION-DRIVEN ACTIVITY IN MAIN-BELT COMET 313P/GIBBS

    Article • The Astrophysical Journal Letters, February 2015, Institute of Physics Publishing

    Bojan Novakovic, Dr Olivier R Hainaut

  49. Determining the Aesthetic Appeal of Astronomical Images

    Article • Leonardo, February 2015, The MIT Press

    Dr Olivier R Hainaut

  50. Nongravitational perturbations and virtual impactors: the case of asteroid (410777) 2009 FD

    Article • Astronomy and Astrophysics, December 2014, EDP Sciences

    Dr Olivier R Hainaut

  51. REFINED ROTATIONAL PERIOD, POLE SOLUTION, AND SHAPE MODEL FOR (3200) PHAETHON

    Article • The Astrophysical Journal, September 2014, Institute of Physics Publishing

    Dr Olivier R Hainaut

  52. An ESA NEOCC Effort to Eliminate High Palermo Scale Virtual Impactors

    Article • Earth Moon and Planets, August 2014, Springer Science + Business Media

    Dr Olivier R Hainaut

  53. SEARCH FOR THE RETURN OF ACTIVITY IN ACTIVE ASTEROID 176P/LINEAR

    Article • The Astronomical Journal, March 2014, Institute of Physics Publishing

    Dr Olivier R Hainaut

  54. Continued activity in P/2013 P5 PANSTARRS

    Article • Astronomy and Astrophysics, March 2014, EDP Sciences

    Dr Olivier R Hainaut

  55. OUTGASSING BEHAVIOR OF C/2012 S1 (ISON) FROM 2011 SEPTEMBER TO 2013 JUNE

    Article • The Astrophysical Journal Letters, October 2013, Institute of Physics Publishing

    Dr Olivier R Hainaut

  56. Testing Accuracy and Precision of Existing Photometry Algorithms on Moving Targets

    Article • Publications of the Astronomical Society of the Pacific, April 2013, Institute of Physics Publishing

    Dr Olivier R Hainaut

  57. Activity of Comet 103P/Hartley 2 at the time of the EPOXI mission fly-by

    Article • Icarus, February 2013, Elsevier

    Dr Olivier R Hainaut

  58. The demise of Comet 85P/Boethin, the first EPOXI mission target

    Article • Icarus, February 2013, Elsevier

    Dr Olivier R Hainaut

  59. P/2010 A2 LINEAR

    Article • Astronomy and Astrophysics, December 2012, EDP Sciences

    Dr Olivier R Hainaut

  60. DISCOVERY OF TWO VERY WIDE BINARIES WITH ULTRACOOL COMPANIONS AND A NEW BROWN DWARF AT THE L/T TRANSITION

    Article • The Astronomical Journal, November 2012, Institute of Physics Publishing

    Dr Olivier R Hainaut

  61. The nucleus of Comet 67P/Churyumov-Gerasimenko

    Article • Astronomy and Astrophysics, November 2012, EDP Sciences

    Dr Olivier R Hainaut

  62. Faint moving object detection, and the Low Signal-to-Noise recovery of Main Belt comet P/2008 R1 Garradd

    Article • Publications of the Astronomical Society of the Pacific, October 2012, Institute of Physics Publishing

    Dr Olivier R Hainaut

  63. EChO

    Article • Experimental Astronomy, August 2012, Springer Science + Business Media

    Director UCL CSED Giovanna Tinetti, Professor David Montes, Dr Olivier R Hainaut

  64. Characterisation of candidate members of (136108) Haumea’s family

    Article • Astronomy and Astrophysics, August 2012, EDP Sciences

    Dr Olivier R Hainaut

  65. Short-term variability of 10 trans-Neptunian objects

    Article • Monthly Notices of the Royal Astronomical Society, July 2012, Oxford University Press (OUP)

    Dr Olivier R Hainaut

  66. P/2010 A2 LINEAR

    Article • Astronomy and Astrophysics, January 2012, EDP Sciences

    Dr Olivier R Hainaut

  67. Physical characterization of low delta-V asteroid (175706) 1996 FG3★

    Article • Monthly Notices of the Royal Astronomical Society, October 2011, Oxford University Press (OUP)

    Dr Olivier R Hainaut

  68. Testing the comet nature of main belt comets. The spectra of 133P/Elst-Pizarro and 176P/LINEAR

    Article • Astronomy and Astrophysics, July 2011, EDP Sciences

    Dr Olivier R Hainaut

  69. EPOXI: COMET 103P/HARTLEY 2 OBSERVATIONS FROM A WORLDWIDE CAMPAIGN

    Article • The Astrophysical Journal Letters, May 2011, Institute of Physics Publishing

    Dr Olivier R Hainaut, Prof. Dr. Josep M. Trigo-Rodriguez

  70. Deep Impact, Stardust-NExT and the behavior of Comet 9P/Tempel 1 from 1997 to 2010

    Article • Icarus, May 2011, Elsevier

    Dr Olivier R Hainaut

  71. Stardust-NExT, Deep Impact, and the accelerating spin of 9P/Tempel 1

    Article • Icarus, May 2011, Elsevier

    Dr Olivier R Hainaut

  72. “TNOs are Cool”: A survey of the trans-Neptunian region

    Article • Astronomy and Astrophysics, July 2010, EDP Sciences

    Dr Michael Mueller, Dr Olivier R Hainaut

  73. “TNOs are Cool”: A survey of the trans-Neptunian region

    Article • Astronomy and Astrophysics, July 2010, EDP Sciences

    Dr Michael Mueller, Dr Olivier R Hainaut

  74. The nucleus of 103P/Hartley 2, target of theEPOXImission

    Article • Astronomy and Astrophysics, June 2010, EDP Sciences

    Dr Olivier R Hainaut

  75. Characterisation of candidate members of (136108) Haumea's family

    Article • Astronomy and Astrophysics, February 2010, EDP Sciences

    Dr Olivier R Hainaut

  76. Activity of comets at large heliocentric distances pre-perihelion

    Article • Icarus, June 2009, Elsevier

    Dr Olivier R Hainaut

  77. TNOs are Cool: A Survey of the Transneptunian Region

    Article • Earth Moon and Planets, May 2009, Springer Science + Business Media

    Dr Michael Mueller, Dr Olivier R Hainaut

  78. Surface composition and temperature of the TNO Orcus

    Article • Astronomy and Astrophysics, January 2008, EDP Sciences

    Dr Olivier R Hainaut

  79. Dust observations of Comet 9P/Tempel 1 at the time of the Deep Impact

    Article • Astronomy and Astrophysics, September 2007, EDP Sciences

    Dr Olivier R Hainaut

  80. Large Changes in Pluto’s Atmosphere Revealed by Stellar Occultations

    Article • Highlights of Astronomy, January 2005, Cambridge University Press

    Dr Olivier R Hainaut

  81. Results from the ESO Large Program on Transneptunian Objects and Centaurs

    Article • January 2004, Springer Science + Business Media

    Dr Olivier R Hainaut

  82. Physical survey of 24 Centaurs with visible photometry

    Article • Icarus, November 2003, Elsevier

    Dr Olivier R Hainaut

  83. Results from the Eso Large Program on Transneptunian Objects and Centaurs

    Article • Earth Moon and Planets, June 2003, Springer Science + Business Media

    Dr Olivier R Hainaut

  84. Critical science for the largest telescopes: science drivers for a 100m ground-based optical-IR telescope

    Article • January 2003, SPIE

    Dr Olivier R Hainaut

  85. A TNO Survey Project with the 2.2m Telescope at ESO La Silla

    Article • Highlights of Astronomy, January 2002, Cambridge University Press

    Dr Olivier R Hainaut

  86. 73P/Schwassmann-Wachmann 3 — One Orbit after Break-Up: Search for Fragments

    Article • January 2002, Springer Science + Business Media

    Dr Olivier R Hainaut

  87. The Metamorphosis of SN 1998bw

    Article • The Astrophysical Journal, July 2001, Institute of Physics Publishing

    Dr Olivier R Hainaut

  88. Very Distant Objects in the Solar System

    Article • January 1995, Springer Science + Business Media

    Dr Olivier R Hainaut

  89. Searching the Trans-Neptunian Region

    Article • Springer Science + Business Media

    Dr Olivier R Hainaut

  90. Comet Size Distributions and Distant Activity

    Article • Springer Science + Business Media

    Dr Olivier R Hainaut

  91. Physical Observations of 1996 TO66

    Article • Springer Science + Business Media

    Dr Olivier R Hainaut

  92. A Pencil-Beam Search for Distant TNOs at the ESO NTT

    Article • Springer Science + Business Media

    Dr Olivier R Hainaut

  93. TNO Color Survey with the VLT: Pilot Observations with the Science Verification Camera

    Article • Springer Science + Business Media

    Dr Olivier R Hainaut