Comet 21P/Giacobini-Zinner was observed from Nov. 8 to Dec. 10, 1998. Pre- and post-perihelion CCD images of the gas (CN, C2) and dust (green and red continua)...
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PublicationBehaviour of Comet 21P/Giacobini-Zinner during the 1998 perihelion
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PublicationBlending the distinctions among groups of minor bodies: a portrait of the Centaur-comet "transition" object P/2010 C1 (Scotti)
Aims: We present a portrait of the active Centaur P/2010 C1 (Scotti), observed with a well developed comet-like activity (central diffuse coma condensation and...
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PublicationBorderline hyperbolic comet C/2021 O3 (PANSTARRS) was fading as it approached the Sun
We present an observational and numerical study of the borderline hyperbolic comet C/2021 O3 (PANSTARRS) performed during its recent passage through the inner...
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PublicationC/2020 F3 (NEOWISE) production rates from high-resolution TNG/HARPS-N spectra
The composition of comets hold clues about the early stages of the formation and evolution of the Solar System. Being the brightest comet observed in the...
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PublicationCharacterization of the June epsilon Ophiuchids meteoroid stream and the comet 300P/Catalina
Aims: Prior to 2019, the June epsilon Ophiuchids (JEO) were known as a minor unconfirmed meteor shower with activity that was considered typically moderate for...
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PublicationCO<SUB>2</SUB> as the main parent source of atomic oxygen in comet C/2017 K2 (Pan-STARRS)
C/2017 K2 (Pan-STARRS) is an Oort cloud comet discovered in May 2017. Ground observations have revealed that this long-period comet was active at heliocentric...
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PublicationComet 162P/Siding Spring: A Surprisingly Large Nucleus
We present an analysis of thermal emission from comet 162P/Siding Spring (P/2004 TU12) measured during its discovery apparition in 2004 December. The comet...
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PublicationComet Hale-Bopp (1995 O1) Possible Photometric Evolution
Considerable interest has been raised by the discovery of Comet Hale-Bopp (1995 O1) and the possibility that it might become a very bright object in Spring 1997...
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PublicationComet McNaught C/2006 P1: observation of the sodium emission by the solar telescope THEMIS
Comet McNaught C/2006 P1 was the brightest comet of the last forty years when reaching its perihelion at an heliocentric distance of 0.17Â AU. Two days before...