DEPARTAMENTO SISTEMA SOLAR
J. L. ORTIZ

  Instituto de Astrofísica de Andalucía                Tel:34 958 121311
  Apdo. 3004, 18080 Granada, Spain                     Fax:34 958 814530

 CCD spectroscopic observations of Saturn, Uranus, Neptune and Titan during the 1990 Apparition.

F. Moreno, A. Molina and J. L. Ortiz.

Icarus, 93, 88-95, 1991.

Near infrared CVF spectrophotometry of selected areas of Jupiter during the 1991 apparition.

F. Moreno, A. Molina and J. L. Ortiz.

Icarus 96, 129-142, 1992.

Spectroscopic observations at different regions of Jupiter during the 1991 opposition: absolute refectivities and CH₄-6190 and NH₃-6450 Amstrong absorption bands.

J. L. Ortiz, F. Moreno and A. Molina.

Astron. Astrophys. 260, 465-472, 1992.

Bayesian deconvolution with prior knowledge of object location. Applications to ground-based planetary images.

R. Molina, B. Ripley, A. Molina, F. Moreno and J. L. Ortiz.

Astron. J. 104, 1662-1667, 1992.

Absolutely calibrated CCD images of Saturn at methane band and continuum wavelengths during its 1991 opposition.

J. L. Ortiz, F. Moreno, A. Molina.

J. Geophys. Res. 98, 3053-3063, 1993.

Recent multi-spectral obsevations of Jupiter  fron 0.6 to 2.4 microns.

F. Moreno, A. Molina and J. L. Ortiz.

J. Geophys. Res. 98, 18837-18845, 1993.

Discovery of the optical counterpart of the SoftX. Ray Trasient GRO J0422+32.

A. J. Castro-Tirado, E. P. Pavlenko, A. A. Shlyapnikov, S. Brandt, N. Lund and J. L. Ortiz.

Astron. Astrophys, 276 (II), L37, 1993.

Models of the SL-9 collision-generated hazes.

J. L. Ortiz, O. Muñoz, F. Moreno, A. Molina, T. M. Herbst, K. Birkle, H. Böhnhardt and D. P. Hamilton.

Geophys. Res. L. Vol. 22, Nº 12, 1605-1608, 1995.

Physical properties of the aerosol debris generated by the impact of fragment H of comet P/Shoemaker-Levy 9 on Jupiter.

F. Moreno, O. Muñoz, A. Molina, J. J. López-Moreno, J. L. Ortiz, J. Rodriguez, A. López-Jiménez, F. Girela, S. Larson and H. Campins.

Geophys. Res. L. Vol. 22, Nº 12, 1609-1612, 1995.

Near-Infrared Imaging and Spectroscopy of the SL-9 Impacts from Calar Alto.

T. M. Herbst, D. P. Hamilton, H. Boehnhardt and J. L. Ortiz.

Geophys. Res. L. Vol. 22, Nº 17, 2413-2416, 1995.

Calar Alto Observations of Shoemaker-Levy 9: Characteristics of the H-impact and L-impact.

D. P. Hamilton, T. M. Herbst, A. Richichi, H. Boehnhardt and J. L. Ortiz.

Geophys. Res. L. Vol. 22, Nº17, 2417-2420, 1995.

Near-infrared CVF spectrophotometry of Saturn in 1992.

A. Molina, F. Moreno, M. Kidger and J. L. Ortiz.

Astron. Astrophys. 298, 624-628, 1995.

Saturn 1991-1993: Refectivities and limb-darkening coefficients at methane bands and nearby continua. Temporal changes.

J. L. Ortiz, F. Moreno, A. Molina.

Icarus, 117, 328-344, 1995.

Saturn 1991-1993: Clouds and hazes.

J. L. Ortiz, F. Moreno, A. Molina.

Icarus, 119, 53-66, 1996.

Earth-based observations of the Galileo Probe entry site.

G. Orton, J. L. Ortiz et al.

Science, 272, 839-840, 1996.

The Shoemaker-Levy 9 H impact: Some results from the William Herschel Telescope.

J. L. Ortiz, G. Orton, F. Moreno, A. Molina, S. Larson and P. Yanamandra-Fisher.

Astron. Astrophys. 324, 357-365, 1997.

The August 1993 outburst of the black hole candidate GRO J0422+32.

A. J. Castro-Tirado, J. L. Ortiz, J. Gallego.

Astron. Astrophys. 322, 507-510, 1997.

Short-Term Variability in comet C/1995 O1 Hale-Bopp.

E. Rodríguez, J. L. Ortiz, M. J. López-González, A. Rolland, M. A. Hobart, E. Sánchez-Blanco, P. J. Gutiérrez and J. J. López-Moreno.

Astron. Astrophys, 324, L61-L64, 1997.

The 1993 South Equatorial Belt Revival and Other Features in the Jovian Atmosphere: An Observational Perspective.

F. Moreno, A. Molina, J. L. Ortiz.

Astron. Astrophys. 327, 1253-1261, 1997.

Evolution and persistence of 5-microns hot spots at the Galeleo Probe entry latitude.

J. L. Ortiz, G. S. Orton, A. J. Friedson, S. T. Stewart, B. M. Fisher and J. R. Spencer.

J. Geophys. Res. 103, 23051-23069, 1998.

Characteristics of the Galileo Probe Entry Site from Earth-Based Remote Sensing Observations.

G. S. Orton, B. M. Fisher, K. Baines, S. T. Stewart, A. J. Friedson, J. L. Ortiz, J. Marinova, M. Ressler, A. Dayal, W. Hoffmann, J. Hora, S. Hinkley, V. Krishnan, M. Masanovic, J. Tesic, A. Tziolas, K. C. Parija.

J. Geophys. Res. 103, 22791-22814m 1998.

The rotation of comet C/1995 O1 Hale-Bopp from inner coma photometry.

J. L. Ortiz and E. Rodríguez.

Earth Moon and Planets 77, 207-215, 1999.

A comparison of the structure of the aerosol layers in the Grat Red Spot of Jupiter and its surroundings before and after the 1993 SEB Disturbance.

O. Muñoz, F. Moreno, A. Molina, J. L. Ortiz.

Astron. Astrophys. 344, 355-361, 1999.

A search for meteoritic flashes on the Moon.

J. L. Ortiz, F. J. Aceituno, J. Aceituno.

Astron. Astrophys. 343, L57-L60, 1999.

A study of water production and temperatures of rotating irregularly shaped cometary nuclei.

P. J. Gutiérrez, J. L. Ortiz, R. Rodrigo, J. J. López-Moreno.

Astron. Astrophys, 355, 809-817, 2000.

Optical detection of meteoroidal impacts on the Moon.

J. L. Ortiz, P. V. Sada, L. R. Bellot Rubio, F. J. Aceituno, J. Aceituno, P. J. Gutiérrez, U. Thiele.

Nature, 405, 921-923, 2000.

Luminous efficiency in hypervelocty impacts from the 1999 Lunar Leonids.

L. R. Bellot Rubio, J. L. Ortiz, P. V. Sada.

Astrophys. J., 542, L65-L68, 2000.

Observation and interpretation of meteoroid impact flashes on the Moon.

L. R. Bellot Rubio, J. L. Ortiz, P. V. Sada.

Earth Moon and Planets, 82-83, 575-598, 2000.

Photometric study of Centaurs 10199 Chariklo (1997 CU26) and 1999 UG5.

N. Peixinho, P. Lacerda, J. L. Ortiz, A. Doressoundiram, P. J. Gutiérrez, M. Roos-Serote.

Astronomy and Astrophysics 371, 753-759, 2001.

Short term variability of Centaur 1999 UG5.

P. J. Gutiérrez, J. L. Ortiz, E. Alexandrino, M. Roos-Serote, A. Doressoundiram.

Astronomy and Astrophysics, 371, L1-L4, 2001.

Effects of irregular  shape an topography ein thermophysical models of cometary nuclei.

P. J. Gutiérrez, J. L. Ortiz, R. Rodrigo, J. J. López-Moreno.

Astronomy and Astrophysics 374, 326-336, 2001.

Linghtcurves of Centaurs 2000QC243 and 2001PT13.

J. L. Ortiz, S. Baumont, P. J. Gutiérrez, M. Roos-Serote.

Astronomy and Astrophysics, 388, p. 661-666, 2002.

Observation and interpretation of Leonid impact flashes on the Moon in 2001.

J. L. Ortiz, J. A. Quesada, J. Aceituno, F. J. Aceituno, L. R. Bellot Rubio.

Astrophysical Journal, 576, 567-573, 2002.

A Montecarlo Code to Compute Energy Fluxes in Cometary Nuclei.

F. Moreno, O. Muñoz, J. J. López-Moreno, A. Molina, J. L. Ortiz.

Icarus, Volume 156, Issue 2, pp. 474-484, 2002.

Evolution of the Rotational State of Irregular Cometary Nuclei.

P. J. Gutiérrez, J. L. Ortiz, R. Rodrigo, J. J. López-Moreno, L. Jorda.

Earth, Moon, and Planets, v. 90, Issue 1, p. 239-247, 2002.

Visible and near-infrared spectroscopy of the Centaur 32532 (2001 PT₁₃). ESO Large Program on TNOs and Centaurs: First spectroscopy results.

M. A. Barucci, H. Boehnhardt, E. Dotto, A. Doressoundiram, J. Romon, M. Lazzrin, S. Fornasier, C. de Bergh, G. P. Tozzi, A. Delsanti, O. Hainaut, L. Barrera, K. Birkle, K. Meech, J. L. Ortiz, T. Sekiguchi, N. Thomas, J. Watanabe, R. West, J. K. Davies.

Astronomy and Astrophysics, v. 392, p. 335-339, 2002.

An investigation of errors in estimates of the cometary nuclei active area fractions.

P. J. Gutiérrez, R. Rodrigo, J. L. Ortiz, B. J. R. Davidsson.

Astronomy and Astrophysics 401, 755-761, 2003.

Coordinated thermal and optical observations of Trans-Neptunian object (20 000) Varuna from Sierra Nevada.

E. Lellouch, R. Moreno, J. L. Ortiz, G. Paubert, A. Doressoundiram.

Astronomy and Astrophysics 391, 1133-1139, 2002.

ESO large program on physical studies of Transneptunian Objects and Centaurs: Visible photometry - First results.

H. Boehnhardt, A. Delsanty, A. Barucci, O. Hainaut, A. Doressoundiram, M. Lazzarin, L. Barrera, C. de Bergh, K. Birkle, E. Dotto, K. Meech, J. L. Ortiz, J. Romon, T. Sekiguchi, N. Thomas, G. P. Tozzi, J. Watanabe, R. M. West.

Astronomy and Astrophysics, v. 395, p. 297-303, 2002.

A studiy of short term rotational variability on TNOs and Centaurs from Sierra Nevada Observatory.

J. L. Ortiz, P. J. Gutiérrez, V. Casanova and A. Sota.

Astronomy and Astrophysics, v. 407, p. 1149-1155, 2003.

Long-term simulations of the rotational state of small irregular cometary nuclei.

P. J. Gutiérrez, L. Jorda, J. L. Ortiz and R. Rodrigo.

Astronomy and Astrophysics, v. 406, p. 1123-1133, 2003.

Photometry of the Kuiper-Belt Objeto 1999 TD₁₀ at different phase angles.

P. Rousselot, J. M. Petit, F. Poulet, P. Lacerda and J. L. Ortiz.

Astronomy and Astrophysics, v. 407, p. 1139-1147, 2003.

Rotational brightness variations in Trans-Neptunian Object 50000 Quaoar.

J. L. Ortiz, P. J. Gutiérrez, A. Sota, V. Casanova and V. R. Teixeira.

Astronomy and Astrophysics, 409, L13-L16, 2003.

A study of Trans-Neptunian Object 55636 (2002TX300).

J. L. Ortiz, A. Sota, R. Moreno, E. Lellouch, N. Biver, A. Doressoundiram, P. Rousselot, P. J. Gutiérrez, I. Márquez, R. M. González Delgado and V. Casanova.

Astronomy and Astrophysics, In Press 2004.

2002 Leonid storm fluxes and related orbital elements.

J. M. Trigo-Rodríguez, J. Jorca, E. Lyytinen, J. L. Ortiz, A. Sánchez Caso, C. Pineda and S. Torrell.

Icarus, In Press 2004.

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