Comet Hale-Bopp is, without doubt, one of the most important objects for cometary science which has ever been observed. The light curve is well-observed from a...
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PublicaciónLIGHT CURVE BEHAVIOUR IN C/1995 O1 (HALE-BOPP) - II; Changes in the activity between 13AU and 2.5AU pre-perihelion
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BlogMICRORRELATOS CÓSMICOS: La Calumnia
LA CALUMNIA Decían que anunciaban calamidades, invasiones, derrotas y muertes. Temieron el fin de la humanidad envenenada con cianuro por su culpa. Los...
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PublicaciónMultiband observations of the comet C/2000 WM1 (LINEAR) at its closest approach to the Earth
Comet C/2000 WM1 (LINEAR) was observed at ESO when it had its closest approach to the Earth at the beginning of December 2001 (geocentric distance: 0.32 AU)...
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PublicaciónNear Infrared Spectra of two Asteroids with low Tisserand Invariant
We present near infrared reflectance spectra from 0.8 to 2.5 μm of two asteroids with low Tisserand invariant, 1373 Cincinnati and 2906 Caltech. We compare our...
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PublicaciónNear-infrared spectroscopy of the nucleus of comet 124P/Mrkos
We report near-infrared (0.9-2.3 mu m) spectral observations of the bare nucleus of comet 124P/Mrkos taken on two different nights using the Near Infrared...
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PublicaciónNeutral Sodium from Comet Hale-Bopp: A Third Type of Tail
We report on the discovery and analysis of a striking neutral sodium gas tail associated with comet C/1995 O1 Hale-Bopp. Sodium D line emission has been...
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PublicaciónNew spin period determination for comet 6P/d'Arrest
A lightcurve of comet 6P/d'Arrest from R-band CCD images taken at La Palma 2.52 m NOT telescope is presented. The lightcurve shows noticeable periodic changes...
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PublicaciónNICS-TNG infrared spectroscopy of trans-neptunian objects 2000 EB173 and 2000 WR106
We report complete near-infrared (0.9-2.4 mu m) spectral observations of trans-neptunian objects (TNOs) 2000 EB173 and 2000 WR106 collected using the new Near...
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PublicaciónNuclear magnitudes of Jupiter family comets (Tancredi+, 2000)
A catalog of a sample of 105 Jupiter family (JF) comets (defined as those with Tisserand constants T>2 and orbital periods P