Andrea Goldwurm

On the evolution of the Gamma- and X-ray luminosities of Pulsar Wind Nebulae (2008)

Mattana, Fabio, Falanga, Maurizio, Götz, Diego, Terrier, Régis, Esposito, Paolo, Pellizzoni, Alberto, ...

Pulsar wind nebulae are a prominent class of very high energy (E > 0.1 TeV) Galactic sources. Their Gamma-ray spectra are interpreted as due to inverse Compton scattering of ultrarelativistic...

High Energy Activity of the Super-Massive Black Hole at the Galactic Center (2007)

Goldwurm, Andrea

The centre of our galaxy hosts the nearest super-massive black hole to the solar system, identified to the compact radio source Sgr A*. High energy experiments have tried in the past to detect the...

General Relativistic Flux Modulations from Disk Instabilities in Sagittarius A* (2007)

Falanga, Maurizio, Melia, Fulvio, Tagger, Michel, Goldwurm, Andrea, Belanger, Guillaume

Near-IR and X-ray flares have been detected from the supermassive black hole Sgr A* at the center of our Galaxy with a (quasi)-period of ~17-20 minutes, suggesting an emission region only a few...

Broad-band spectral changes of the microquasars Cygnus X-1 and SWIFT J1753.5-0127 (2006)

Bel, Marion Cadolle, Ribo, Marc, Rodriguez, Jerome, Chaty, Sylvain, Corbel, Stephane, Goldwurm, Andrea

We report high-energy results obtained with INTEGRAL and Rossi-XTE on two microquasars: the persistent high-mass system Cygnus X-1 and the transient low-mass binary SWIFT J1753.5-0127. INTEGRAL...

Periodic Modulations in an X-ray Flare from Sagittarius A* (2006)

Belanger, Guillaume, Terrier, Regis, De Jager, Okkie, Goldwurm, Andrea, Melia, Fulvio

We present the highly significant detection of a quasi-periodic flux modulation with a period of 22.2 min seen in the X-ray data of the Sgr A* flare of 2004 August 31. This flaring event, which...

Periodic Modulations in an X-ray Flare from Sagittarius A* (2006)

Belanger, Guillaume, De Jager, Okkie, Goldwurm, Andrea, Melia, Fulvio, Terrier, Regis

We present the highly significant detection of a quasi-periodic flux modulation with a period of 22.2 min seen in the X-ray data of the Sgr A* flare of 2004 August 31. This flaring event, which...

Periodic Modulations in an X-ray Flare from Sagittarius A* (2006)

Belanger, Guillaume, Terrier, Regis, De Jager, Okkie, Goldwurm, Andrea, Melia, Fulvio

We present the highly significant detection of a quasi-periodic flux modulation with a period of 22.2 min seen in the X-ray data of the Sgr A* flare of 2004 August 31. This flaring event, which...

Periodic Modulations in an X-ray Flare from Sagittarius A* (2006)

Belanger, Guillaume, Terrier, Regis, De Jager, Okkie, Goldwurm, Andrea, Melia, Fulvio

We present the highly significant detection of a quasi-periodic flux modulation with a period of 22.2 min seen in the X-ray data of the Sgr A* flare of 2004 August 31. This flaring event, which...

Periodic Modulations in an X-ray Flare from Sagittarius A* (2006)

Belanger, Guillaume, Terrier, Regis, De Jager, Okkie, Goldwurm, Andrea, Melia, Fulvio

We present the highly significant detection of a quasi-periodic flux modulation with a period of 22.2 min seen in the X-ray data of the Sgr A* flare of 2004 August 31. This flaring event, which...

A Persistent High-Energy Flux from the Heart of the Milky Way : Integral's view of the Galactic Center (2006)

Belanger, Guillaume, Goldwurm, Andrea, Renaud, Matthieu, Terrier, Regis, Melia, Fulvio, Lund, Niels, ...

The Ibis/Isgri imager on Integral detected for the first time a hard X-ray source, IGR J17456-2901, located within 1' of Sgr A* over the energy range 20-100 keV. Here we present the results of a...

Periodic Modulations in an X-ray Flare from Sagittarius A* (2006)

Belanger, Guillaume, Terrier, Regis, De Jager, Okkie, Goldwurm, Andrea, Melia, Fulvio

We present the highly significant detection of a quasi-periodic flux modulation with a period of 22.2 min seen in the X-ray data of the Sgr A* flare of 2004 August 31. This flaring event, which...

A Persistent High-Energy Flux from the Heart of the Milky Way : Integral's view of the Galactic Center (2006)

Belanger, Guillaume, Goldwurm, Andrea, Renaud, Matthieu, Terrier, Regis, Melia, Fulvio, Lund, Niels, ...

The Ibis/Isgri imager on Integral detected for the first time a hard X-ray source, IGR J17456-2901, located within 1' of Sgr A* over the energy range 20-100 keV. Here we present the results of a...

Broad-band spectral changes of the microquasars Cygnus X-1 and SWIFT J1753.5-0127 (2006)

Cadolle Bel, Marion, Ribo, Marc, Rodriguez, Jerome, Chaty, Sylvain, Corbel, Stephane, Goldwurm, Andrea

We report high-energy results obtained with INTEGRAL and Rossi-XTE on two microquasars: the persistent high-mass system Cygnus X-1 and the transient low-mass binary SWIFT J1753.5-0127. INTEGRAL...

Broad-band spectral changes of the microquasars Cygnus X-1 and SWIFT J1753.5-0127 (2006)

Cadolle Bel, Marion, Ribo, Marc, Rodriguez, Jerome, Chaty, Sylvain, Corbel, Stephane, Goldwurm, Andrea

We report high-energy results obtained with INTEGRAL and Rossi-XTE on two microquasars: the persistent high-mass system Cygnus X-1 and the transient low-mass binary SWIFT J1753.5-0127. INTEGRAL...

A Persistent High-Energy Flux from the Heart of the Milky Way : Integral's view of the Galactic Center (2006)

Belanger, Guillaume, Goldwurm, Andrea, Renaud, Matthieu, Terrier, Regis, Melia, Fulvio, Lund, Niels, ...

The Ibis/Isgri imager on Integral detected for the first time a hard X-ray source, IGR J17456-2901, located within 1' of Sgr A* over the energy range 20-100 keV. Here we present the results of a...

Periodic Modulations in an X-ray Flare from Sagittarius A* (2006)

Belanger, Guillaume, Terrier, Regis, De Jager, Okkie, Goldwurm, Andrea, Melia, Fulvio

We present the highly significant detection of a quasi-periodic flux modulation with a period of 22.2 min seen in the X-ray data of the Sgr A* flare of 2004 August 31. This flaring event, which...

Broad-band spectral changes of the microquasars Cygnus X-1 and SWIFT J1753.5-0127 (2006)

Cadolle Bel, Marion, Ribo, Marc, Rodriguez, Jerome, Chaty, Sylvain, Corbel, Stephane, Goldwurm, Andrea

We report high-energy results obtained with INTEGRAL and Rossi-XTE on two microquasars: the persistent high-mass system Cygnus X-1 and the transient low-mass binary SWIFT J1753.5-0127. INTEGRAL...

A Persistent High-Energy Flux from the Heart of the Milky Way : Integral's view of the Galactic Center (2006)

Belanger, Guillaume, Goldwurm, Andrea, Renaud, Matthieu, Terrier, Regis, Melia, Fulvio, Lund, Niels, ...

The Ibis/Isgri imager on Integral detected for the first time a hard X-ray source, IGR J17456-2901, located within 1' of Sgr A* over the energy range 20-100 keV. Here we present the results of a...

Periodic Modulations in an X-ray Flare from Sagittarius A* (2006)

Belanger, Guillaume, Terrier, Regis, De Jager, Okkie, Goldwurm, Andrea, Melia, Fulvio

We present the highly significant detection of a quasi-periodic flux modulation with a period of 22.2 min seen in the X-ray data of the Sgr A* flare of 2004 August 31. This flaring event, which...

Two-phase X-ray burst from GX 3+1 observed by INTEGRAL (2005)

Chenevez, Jerome, Falanga, Maurizio, Brandt, Soeren, Farinelli, Ruben, Frontera, Filippo, Goldwurm, Andrea, ...

INTEGRAL detected on August 31, 2004, an unusual thermonuclear X-ray burst from the low-mass X-ray binary GX 3+1. Its duration was 30 min, which is between the normal burst durations for this source (

Repeated X-ray Flaring Activity in Sagittarius A* (2005)

Belanger, Guillaume, Goldwurm, Andrea, Melia, Fulvio, Yusef-Zadeh, Farah, Ferrando, Philippe, Porquet, Delphine, ...

Investigating the spectral and temporal characteristics of the X-rays coming from Sagittarius A* (Sgr A*) is essential to our development of a more complete understanding of the emission mechanisms...

Repeated X-ray Flaring Activity in Sagittarius A* (2005)

Belanger, Guillaume, Goldwurm, Andrea, Melia, Fulvio, Yusef-Zadeh, Farah, Ferrando, Philippe, Porquet, Delphine, ...

Investigating the spectral and temporal characteristics of the X-rays coming from Sagittarius A* (Sgr A*) is essential to our development of a more complete understanding of the emission mechanisms...

A Persistent High-Energy Flux from the Heart of the Milky Way : Integral's view of the Galactic Center (2005)

Belanger, Guillaume, Goldwurm, Andrea, Renaud, Matthieu, Terrier, Regis, Melia, Fulvio, Lund, Niels, ...

The Ibis/Isgri imager on Integral detected for the first time a hard X-ray source, IGR J17456-2901, located within 1' of Sgr A* over the energy range 20-100 keV. Here we present the results of a...

A Persistent High-Energy Flux from the Heart of the Milky Way : Integral's view of the Galactic Center (2005)

Belanger, Guillaume, Goldwurm, Andrea, Renaud, Matthieu, Terrier, Regis, Melia, Fulvio, Lund, Niels, ...

The Ibis/Isgri imager on Integral detected for the first time a hard X-ray source, IGR J17456-2901, located within 1' of Sgr A* over the energy range 20-100 keV. Here we present the results of a...

Repeated X-ray Flaring Activity in Sagittarius A* (2005)

Belanger, Guillaume, Goldwurm, Andrea, Melia, Fulvio, Yusef-Zadeh, Farah, Ferrando, Philippe, Porquet, Delphine, ...

Investigating the spectral and temporal characteristics of the X-rays coming from Sagittarius A* (Sgr A*) is essential to our development of a more complete understanding of the emission mechanisms...

Repeated X-ray Flaring Activity in Sagittarius A* (2005)

Belanger, Guillaume, Goldwurm, Andrea, Melia, Fulvio, Yusef-Zadeh, Farah, Ferrando, Philippe, Porquet, Delphine, ...

Investigating the spectral and temporal characteristics of the X-rays coming from Sagittarius A* (Sgr A*) is essential to our development of a more complete understanding of the emission mechanisms...

Repeated X-ray Flaring Activity in Sagittarius A* (2005)

Belanger, Guillaume, Goldwurm, Andrea, Melia, Fulvio, Yusef-Zadeh, Farah, Ferrando, Philippe, Porquet, Delphine, ...

Investigating the spectral and temporal characteristics of the X-rays coming from Sagittarius A* (Sgr A*) is essential to our development of a more complete understanding of the emission mechanisms...

Repeated X-ray Flaring Activity in Sagittarius A* (2005)

Belanger, Guillaume, Goldwurm, Andrea, Melia, Fulvio, Yusef-Zadeh, Farah, Ferrando, Philippe, Porquet, Delphine, ...

Investigating the spectral and temporal characteristics of the X-rays coming from Sagittarius A* (Sgr A*) is essential to our development of a more complete understanding of the emission mechanisms...

INTEGRAL, XMM-Newton and Rossi-XTE Observations of the State Transition of the X-ray Transient and Black Hole Candidate XTE J1720-318 (2004)

Bel, Marion Cadolle, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, ...

We report the results of extensive high-energy observations of the X-ray transient and black hole candidate XTE J1720-318 performed with INTEGRAL, XMM-Newton and RXTE. The source, which underwent an...

Contribution of point sources to the soft gamma-ray Galactic emission (2004)

Terrier, Régis, Lebrun, François, Bélanger, Guillaume, Goldwurm, Andrea, Strong, Andrew, Schoenfelder, Volker, ...

The nature of the soft gamma-ray (20-200 keV) Galactic emission has been a matter of debate for a long time. Previous experiments have tried to separate the point source contribution from the real...

Contribution of point sources to the soft gamma-ray Galactic emission (2004)

Terrier, Regis, Lebrun, Francois, Belanger, Guillaume, Goldwurm, Andrea, Strong, Andrew W., Schoenfelder, Volker, ...

The nature of the soft gamma-ray (20-200 keV) Galactic emission has been a matter of debate for a long time. Previous experiments have tried to separate the point source contribution from the real...

An INTEGRAL Observation of the Black Hole Transient 4U 1630--47 and the Norma Region of the Galaxy (2004)

Tomsick, John A., Lingenfelter, Richard, Corbel, Stephane, Goldwurm, Andrea, Kaaret, Philip

We report on results from a 2003 February INTEGRAL observation of the black hole candidate (BHC) 4U 1630-47 and the high energy sources in the Norma Region of the Galaxy and on RXTE and radio...

INTEGRAL, XMM-Newton and Rossi-XTE Observations of the State Transition of the X-ray Transient and Black Hole Candidate XTE J1720-318 (2004)

Cadolle Bel, Marion, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, ...

We report the results of extensive high-energy observations of the X-ray transient and black hole candidate XTE J1720-318 performed with INTEGRAL, XMM-Newton and RXTE. The source, which underwent an...

INTEGRAL, XMM-Newton and Rossi-XTE Observations of the State Transition of the X-ray Transient and Black Hole Candidate XTE J1720-318 (2004)

Cadolle Bel, Marion, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, ...

We report the results of extensive high-energy observations of the X-ray transient and black hole candidate XTE J1720-318 performed with INTEGRAL, XMM-Newton and RXTE. The source, which underwent an...

Contribution of point sources to the soft gamma-ray Galactic emission (2004)

Terrier, Régis, Lebrun, François, Bélanger, Guillaume, Goldwurm, Andrea, Strong, Andrew, Schoenfelder, Volker, ...

The nature of the soft gamma-ray (20-200 keV) Galactic emission has been a matter of debate for a long time. Previous experiments have tried to separate the point source contribution from the real...

INTEGRAL, XMM-Newton and Rossi-XTE Observations of the State Transition of the X-ray Transient and Black Hole Candidate XTE J1720-318 (2004)

Cadolle Bel, Marion, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, ...

We report the results of extensive high-energy observations of the X-ray transient and black hole candidate XTE J1720-318 performed with INTEGRAL, XMM-Newton and RXTE. The source, which underwent an...

Contribution of point sources to the soft gamma-ray Galactic emission (2004)

Terrier, Régis, Lebrun, François, Bélanger, Guillaume, Goldwurm, Andrea, Strong, Andrew, Schoenfelder, Volker, ...

The nature of the soft gamma-ray (20-200 keV) Galactic emission has been a matter of debate for a long time. Previous experiments have tried to separate the point source contribution from the real...

Contribution of point sources to the soft gamma-ray Galactic emission (2004)

Terrier, Régis, Lebrun, François, Bélanger, Guillaume, Goldwurm, Andrea, Strong, Andrew, Schoenfelder, Volker, ...

The nature of the soft gamma-ray (20-200 keV) Galactic emission has been a matter of debate for a long time. Previous experiments have tried to separate the point source contribution from the real...

INTEGRAL, XMM-Newton and Rossi-XTE Observations of the State Transition of the X-ray Transient and Black Hole Candidate XTE J1720-318 (2004)

Cadolle Bel, Marion, Goldwurm, Andrea, Rodriguez, Jerome, Goldoni, Paolo, Corbel, Stephane, Sizun, Patrick, ...

We report the results of extensive high-energy observations of the X-ray transient and black hole candidate XTE J1720-318 performed with INTEGRAL, XMM-Newton and RXTE. The source, which underwent an...

Contribution of point sources to the soft gamma-ray Galactic emission (2004)

Terrier, Régis, Lebrun, François, Bélanger, Guillaume, Goldwurm, Andrea, Strong, Andrew, Schoenfelder, Volker, ...

The nature of the soft gamma-ray (20-200 keV) Galactic emission has been a matter of debate for a long time. Previous experiments have tried to separate the point source contribution from the real...

First observations of the X-ray transient EXO 2030+375 with IBIS/ISGRI (2003)

Kuznetsov, Sergey, Falanga, Maurizio, Blay, Pere, Goldwurm, Andrea, Goldoni, Paolo, Reglero, Victor

We present a first INTEGRAL observation of the 42s transient X-ray pulsar EXO 2030+375 with IBIS/ISGRI. The source was detected during Cyg X-1 observations in December 2002. We analyzed observations...