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Arrigo Gregnanin

University of Padua

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E. M. Piccirillo

University of Trieste

Giampaolo De Vecchi

University of Padua

Massimiliano Valle

Universidad Michoacana de San Nicolás de Hidalgo

C. Lari

Istituto di Radioastronomia di Bologna

D. Fadda

Ames Research Center

Maria Franca Brigatti

University of Modena and Reggio Emilia

Mario Barbieri

Sapienza University of Rome

Luigi Beccaluva

University of Ferrara

G. Traversa

Sapienza University of Rome

P. Brotzu

University of Naples Federico II

Cooperative Institutions

University of Padua

Sapienza University of Rome

California Institute of Technology

University of Naples Federico II

Istituto di Ortofonologia

Institute for the Dynamics of Environmental Processes

Universidad Michoacana de San Nicolás de Hidalgo

Infrared Processing and Analysis Center

Institute of Environmental Geology and Geoengineering

Terra

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Deformation and metamorphism in the Austroalpine Oetztal-Stubai Complex (Part I); the basement

Bollettino Della Societa Geologica Italiana (1995)

Arrigo Gregnanin Matteo Barattieri P. Corona Massimiliano Valle

Basement

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Citations (3)

Studio paleogeografico delle regioni petrolifere dell'U.R.S.S.

Arrigo Gregnanin

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Citations (0)

The “andesitic” magmatism in the south-western Tyrol and its geodynamic significance

Geologische Rundschau (1976)

G. O. Gatto Arrigo Gregnanin E. M. Piccirillo Alessandra Scolari

10.1007/bf01808486

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Citations (3)

The subdivision of volcanic series in the Ethiopian plateau; new geologic interpretation of the Dessie'-Kombolcha area

Bollettino Della Societa Geologica Italiana (1973)

Arrigo Gregnanin E. M. Piccirillo Endeshaw Abebaw

Colorado plateau

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Citations (2)

Oxygen and strontium isotope variations in the igneous rocks from the Euganean Hills, Venetian Tertiary Province, Northern Italy

Mario Barbieri B. Turi Renzo De Pieri Giampaolo De Vecchi E. M. Piccirillo

Isotopes of strontium

Absolute dating

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Chemistry versus time in the volcanic complex of Ischia (Gulf of Naples, Italy): evidence of successive magmatic cycles

Contributions to Mineralogy and Petrology (1987)

Stefano Poli Sergio Chiesa P.Y. Gillot Arrigo Gregnanin F. Guichard

Trachyte

Magma chamber

Fractional crystallization (geology)

Alkali feldspar

Alkali basalt

Nepheline

Trace element

10.1007/bf00371846

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Citations (121)

Deformation and metamorphism in the Austroalpine Oetztal-Stubai Complex (Part II); Early-Alpine evolution in basement and cover

Bollettino Della Societa Geologica Italiana (1995)

Arrigo Gregnanin Massimiliano Valle

Basement

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Citations (3)

Crystal chemistry of igneous rock biotites

Mineralogy and Petrology (1987)

Maria Franca Brigatti Arrigo Gregnanin

Crystal Chemistry

10.1007/bf01161824

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Citations (5)

Tertiary volcanism in the veneto: Magmatology, petrogenesis and geodynamic implications

Geologische Rundschau (1976)

Giampaolo De Vecchi Arrigo Gregnanin E. M. Piccirillo

Petrogenesis

Ultramafic rock

10.1007/bf01808487

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Citations (31)

A far-infrared view of the Lockman Hole from ISO 95- m observations - I. A new data reduction method

Monthly Notices of the Royal Astronomical Society (2003)

G. Rodighiero C. Lari A. Franceschini Arrigo Gregnanin D. Fadda

We report results from a new analysis of a deep 95-μm imaging survey with the photopolarimeter ISOPHOT on-board the Infrared Space Observatory, over a 40 × 40 arcmin2 area within the Lockman Hole. To this end we exploit a newly developed parametric algorithm able to identify and clean spurious signals induced by cosmic rays impacts and by transient effects and non-linearities in the detectors. These results provide us with the currently deepest — to our knowledge — far-infrared (far-IR) image of the extragalactic sky. Within the survey area, we detect 36 sources with signal-to-noise ratio S/N > 3 (corresponding to a flux of 16 mJy), making up a complete flux-limited sample for S95μ m≥ 100 mJy. Reliable sources are detected, with decreasing but well-controlled completeness, down to S95μ m≃ 20 mJy. The source extraction process and the completeness, the photometric and astrometric accuracies of this catalogue have been tested by us with extensive simulations accounting for all the details of the procedure. We estimate source counts down to a flux of ∼30 mJy, at which limit we evaluate that 10–20 per cent of the cosmic IR background (CIRB) has been resolved into sources (contributing to the CIRB intensity ≃2.0 × 10−9 W m−2 sr−1). The 95-μm galaxy counts reveal a steep slope at S95μ m≤ 100 mJy (α≃ 1.6), in excess of that expected for a non-evolving source population. The shape of these counts agrees with those determined by ISO at 15 and 175 μm, and starts setting strong constraints on the evolution models for the far-IR galaxy populations.

Source counts

Cosmic infrared background

Data Reduction

10.1046/j.1365-8711.2003.06730.x

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Citations (27)