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  1. No Access

    Article

    Comet P/grigg-Skjellerup: Ground-based observations after the encounter with the Giotto spacecraft

    After the encounter with the Giotto spacecraft, the comet P/Grigg-Skjellerup was observed with the 2.2 m ESO telescope. Imaging in theV andR bands and infrared photometry with theJ andH filters were performed. Fr...

    V. Mennella, L. Colangeli, A. Rotundi, P. Merluzzi, M. Fulle… in Il Nuovo Cimento C (1993)

  2. No Access

    Article

    Planetary Fourier spectrometer: An interferometer for atmospheric studies on board Mars 94 mission

    PFS is a two-channel Fourier spectrometer operating in the infra-red wavelengths between 1.25 and 45 μm. The instrument will be used mainly in the study of the Martian atmosphere. The principal goals are the m...

    V. Formisano, V. Moroz, E. Amata, P. Baldetti, G. Bellucci… in Il Nuovo Cimento C (1993)

  3. No Access

    Article

    Dehydrogenation study of cosmic-dust analogue grains

    New infrared and optical-absorption measurements performed on hydrogenated amorphous-carbon grains are presented. In particular, the spectral modifications produced by dehydrogenation of the samples are analys...

    V. Mennella, L. Colangeli, E. Bussoletti, P. Merluzzi, A. Rotundi in Il Nuovo Cimento C (1993)

  4. No Access

    Article

    Interstellar-dust properties as deduced from FIR and millimetric observations

    We have considered some millimetric observations of our Galaxy and of the Large Magellanic Cloud (LMC) taken at the Italian Base in Antarctica. Using other submm data and fitting all the observations with a mo...

    P. Merluzzi, A. Rotundi, L. Colangeli, V. Mennella, P. Andreani… in Il Nuovo Cimento C (1993)

  5. No Access

    Article

    STARDUST: An experimental programme aimed at the production of cosmic-dust analogue material in reduced-gravity conditions

    The formation, properties and chemical dynamics of microparticles are important in a wide variety of technical and scientific fields including synthesis of semiconductor crystals from the vapour, heterogeneous...

    E. Bussoletti, L. Colangeli, P. Dell'Aversana, V. Mennella, C. Mirra in Il Nuovo Cimento C (1993)

  6. No Access

    Article

    Interstellar extinction: a parametrical study by using laboratory data

    In this paper we present a comparative study between laboratory data, astronomical observations and theoretical models in order to provide a contribution to the characterization ofcosmic-dust properties. In parti...

    A. Rotundi, P. Merluzzi, L. Colangeli, V. Mennella, E. Bussoletti in Il Nuovo Cimento C (1993)

  7. No Access

    Article

    Laboratory measurements on molecules of astrophysical interest

    The infra-red absorption bands of a representative polycyclic aromatic hydrocarbon (PAH) molecule, coronene, have been examined in the laboratory at various temperatures up to 240 °C. This paper is devoted to ...

    V. Mennella, E. Bussoletti, L. Colangeli, G. M. Piacentino in Il Nuovo Cimento C (1992)

  8. No Access

    Article

    Condensation of cosmic analog material in microgravity conditions: Preliminary analysis of a first set of flights

    In this paper we give a brief summary of the first results obtained in the frame of the STARDUST project. The aim of the experiment is to simulate the condensation of cosmic-dust analog materials under microgr...

    D. Mancini, E. Bussoletti, V. Mennella, A. A. Vittone, L. Colangeli… in Il Nuovo Cimento C (1992)

  9. No Access

    Article

    Thermoluminescence of Cosmic matter

    A simplified model of thermoluminescence in silicates is presented and the astronomical applications of the phenomenon are shown. Finally our experimental apparatus and preliminary tests are presented and comp...

    G. M. Piacentino, L. Colangeli, V. Mennella, E. Bussoletti… in Il Nuovo Cimento C (1992)

  10. No Access

    Article

    Cosmic dust: From space to laboratory

    E. Bussoletti, L. Colangeli in La Rivista del Nuovo Cimento (1978-1999) (1990)

  11. No Access

    Article

    Amorphous carbon and carbonaceous materials in space

    We present here a fitting of the spectrum of the carbon star GL799, obtained using a mixture of amorphous carbon (AC) and silicon carbide (SiC) grains. We have also interpreted the 3.4 μm band of Comet Halley,...

    A. Blanco, A. Borghesi, V. Orofino, E. Bussoletti, S. Fonti, C. Fusco… in Il Nuovo Cimento C (1990)

  12. No Access

    Article

    Comet composition: Models and new observations

    We discuss structure and composition of comets as they are inferred on the basis of new theoretical models and very recent observations. Many questions are still open, but the efforts performed in coincidence ...

    L. Colangeli, G. Schwehm in Il Nuovo Cimento C (1990)

  13. No Access

    Article

    Amorphous carbon and carbonaceous materials in space

    We present here the most recent measurements (UV and Raman spectroscopy) carried out on carbonaceous materials candidates as cosmic dust.

    A. Blanco, A. Borghesi, V. Orofino, E. Bussoletti, S. Fonti, C. Fusco… in Il Nuovo Cimento C (1990)

  14. No Access

    Article

    Laboratory measurements of physical properties on submicronic particles candidate as cosmic dust

    We present here a compendium of our laboratory measurements of the physical properties of submicronic particles of materials candidate as cosmic dust: amorphous carbon, silicon carbide and graphite. Comparison...

    A. Borghesi, E. Bussoletti, L. Colangeli, C. De Blasi in Il Nuovo Cimento C (1985)