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Authors whose works are in public domain in at least one jurisdiction

List of works by Massimo Villata

1-50 of 153 results

The first catalog of active galactic nuclei detected by the Fermi Large Area Telescope

scientific article published in the Astrophysical Journal

The spectral energy distribution of Fermi bright blazars

scientific article published in the Astrophysical Journal

The WEBT BL Lacertae Campaign 2000

scientific article published in Astronomy and Astrophysics

Multiwavelength Observations of a Dramatic High‐Energy Flare in the Blazar 3C 279

scientific article published in the Astrophysical Journal

Fermi large area telescope observations of Markarian 421: the missing piece of its spectral energy distribution

scientific article published in the Astrophysical Journal

The unprecedented optical outburst of the quasar 3C 454.3. The WEBT campaign of 2004-2005

scientific article published in Astronomy and Astrophysics

Optical and radio behaviour of the BL Lacertae object 0716+714

scientific article published in Astronomy and Astrophysics

The WEBT BL Lacertae Campaign 2001 and its extension. Optical light curves and colour analysis 1994-2002

scientific article published in Astronomy and Astrophysics

Bright active galactic nuclei source list from the first three months of the Fermi Large Area Telescope all-sky survey

scientific article published in the Astrophysical Journal

BVR photometry of comparison stars in selected blazar fields

scientific article

The WEBT campaigns on BL Lacertae. Time and cross-correlation analysis of optical and radio light curves 1968-2003

scientific article published in Astronomy and Astrophysics

Multifrequency monitoring of the blazar 0716+714 during the GASP-WEBT-AGILE campaign of 2007

scientific article published in Astronomy and Astrophysics

BL Lacertae: Complex spectral variability and rapid synchrotron flare detected with BeppoSAX

scientific article published in Astronomy and Astrophysics

Fermi large area telescope and multi-wavelength observations of the flaring activity of PKS 1510-089 between 2008 September and 2009 June

scientific article published in the Astrophysical Journal

Results of WEBT, VLBA and RXTE monitoring of 3C 279 during 2006–2007

scientific article published in Astronomy and Astrophysics

Simultaneous observations of PKS 2155-304 with HESS, Fermi, RXTE, and ATOM: spectral energy distributions and variability in a low state

scientific article published in the Astrophysical Journal

Another look at the BL Lacertae flux and spectral variability

scientific article published in Astronomy and Astrophysics

INTEGRAL observations of the blazar 3C 454.3 in outburst

scientific article published in Astronomy and Astrophysics

The radio delay of the exceptional 3C 454.3 outburst. Follow-up WEBT observations in 2005-2006

scientific article published in Astronomy and Astrophysics

BVR photometry of comparison stars in selected blazar fields

scientific article published in Astronomy and Astrophysics

Theoretical Implications from the Spectral Evolution of Markarian 501 Observed withBeppoSAX

scientific article published in the Astrophysical Journal

Multiepoch Multiwavelength Spectra and Models for Blazar 3C 279

scientific article published in the Astrophysical Journal

Helical jets in blazars

scientific article published in Astronomy and Astrophysics

Insights into the high-energy {gamma}-ray emission of Markarian 501 from extensive multifrequency observations in the Fermi era

scientific article published in the Astrophysical Journal

WEBT and XMM-Newton observations of 3C 454.3 during the post-outburst phase. Detection of the little and big blue bumps

scientific article published in Astronomy and Astrophysics

The WEBT campaign to observe AO 0235+16 in the 2003–2004 observing season

scientific article published in Astronomy and Astrophysics

Optical and radio variability of the BL Lacertae object AO 0235+16: A possible 5-6 year periodicity

scientific article published in Astronomy and Astrophysics

Spectral properties of bright fermi-detected blazars in the gamma-ray band

scientific article published in the Astrophysical Journal

The GASP-WEBT monitoring of 3C 454.3 during the 2008 optical-to-radio and γ-ray outburst

scientific article published in Astronomy and Astrophysics

AGILE detection of extremeγ-ray activity from the blazar PKS 1510-089 during March 2009

scientific article published in Astronomy and Astrophysics

Fermi large area telescope observations of misaligned active galactic nuclei

scientific article published in the Astrophysical Journal

A beaming model for the OJ 287 periodic optical outbursts

article

Variability of the blazar 4C 38.41 (B3 1633+382) from GHz frequencies to GeV energies

scientific article published in Astronomy and Astrophysics

Gamma‐loud Quasars: A View withBEPPOSAX

scientific article published in the Astrophysical Journal

Optical photometric monitoring of γ-ray loud blazars

scientific article

The structure and emission model of the relativistic jet in the quasar 3C 279 inferred from radio to high-energy {gamma}-ray observations in 2008-2010

scientific article published in the Astrophysical Journal

A new activity phase of the blazar 3C 454.3

scientific article published in Astronomy and Astrophysics

CPT symmetry and antimatter gravity in general relativity

scholarly article by Massimo Villata published 28 March 2011 in Europhysics Letters

The June 2008 flare of Markarian 421 from optical to TeV energies

scientific article published in the Astrophysical Journal

Multifrequency variability of the blazar AO 0235+164

scientific article published in Astronomy and Astrophysics

Early Fermi gamma-ray space telescope observations of the quasar 3C 454.3

scientific article published in the Astrophysical Journal

The long-lasting activity of 3C 454.3

scientific article published in Astronomy and Astrophysics

Monitoring of AO 0235+164 during a faint state

scientific article published in Astronomy and Astrophysics

The correlated optical and radio variability of BL Lacertae. BL Lacertae WEBT data analysis 1994-2005

scientific article published in Astronomy and Astrophysics

Multiwavelength Observations of Markarian 501 during the 1997 High State

scientific article published in the Astrophysical Journal

Multiwavelength observations of 3C 454.3. III. Eighteen months of AGILE monitoring of the "Crazy Diamond"

scientific article published in the Astrophysical Journal

Structure and flux variability in the VLBI jet of BL Lacertae during the WEBT campaigns (1995–2004)

scientific article published in Astronomy and Astrophysics

XMM–Newton observations of a sample of γ-ray loud active galactic nuclei

scientific article published in Astronomy and Astrophysics

Coordinated Multiwavelength Observations of BL Lacertae in 2000

scientific article published in the Astrophysical Journal

The nature of optical and near-infrared variability of BL Lacertae

scientific article published in Astronomy and Astrophysics