Circinus X-1: An X-ray chameleon

One more surprise from the Circinus Galaxy: BeppoSAX discovery of a transmission component in hard X-rays RID C-5880-2009

MATT, Giorgio
Guainazzi M
Maiolino R
Molendi S
Perola GC
Antonelli LA
Bassani L
Brandt WN
Fabian AC
Fiore F
Iwasawa K
Malaguti G
Marconi A
Poutanen J.

January 1999

The Circinus Galaxy has been observed, for the first time above 10 keV, by BeppoSAX. An excess emiss...

A hard tail in the X-ray broadband spectrum of Circinus X-1 at the periastron: A peculiar Z source

Iaria R
Di Salvo T
La Barbera A
Robba NR
BURDERI, LUCIANO

January 2001

We report on the spectral analysis of the peculiar source Cir X-1 observed by the BeppoSAX satellite...

On the soft excess in the x-ray spectrum of circinus X-1: Revisitation of the distance to circinus X-1

Iaria, R.
Spano', M.
DI SALVO, T.
Robba, N.
Burderi, L.
Fender, R.
Van Der Klis, M.
Frontera, F.

January 2005

We report on a 300 ks BeppoSAX(0.12-200 keV) observation of Circinus X-1 (CirX-1) at phases between ...

Circinus X-1: An X-ray chameleon

Muller JM
Burderi L
Robba NR

January 1999

We briefly discuss lightcurves, colour-colour diagram and spectra of the peculiar X-ray binary Circi...

Circinus X-1 observed with BeppoSAX wide field cameras

Menna MT
Muller JM
Antonelli LA
Burderi L
Di Salvo T
Fauci F
Guainazzi M
La Barbera A
La Parola V
Robba R

January 1999

We present a shy image and spectra for various orbital phases of Circinus X-1 observed by B-SAX Wide...

Study of the Circinus X-1 broadband spectrum at orbital phases close to the apoastron

Iaria R
Di Salvo T
Robba NR
BURDERI, LUCIANO

January 2002

We report on the results of a BeppoSAX (1.8-200 keV) observation of the peculiar X-ray binary source...

Presence of a soft excess between 0.6 keV and 0.9 keV in the energy spectrum of Cir X-1

Spano M
Iaria R
Di Salvo T
Robba NR
Burderi L
Stella L
Frontera F
van der Klis M

January 2004

We report on the results of a new BeppoSAX (0.12-200 keV) observation of the peculiar X-ray binary s...

On the Soft Excess in the X-Ray Spectrum of Circinus X-1: Revisitation of the Distance to Circinus X-1

Iaria, R.
Spanò, M.
di Salvo, T.
Robba, N.R.
Burderi, L.
Fender, R.P.
van der Klis, M.
Frontera, F.

January 2005

We report on a 300 ks BeppoSAX (0.12-200 keV) observation of Circinus X-1 (Cir X-1) at phases betwee...

On the soft excess in the X-ray spectrum of Circinus X-1: Revisitation of the distance to Circinus X-1

Iaria R
Spano M
Di Salvo T
Robba NR
Fender R
van der Klis M
Frontera F.
BURDERI, LUCIANO

January 2005

We report on a 300 ks BeppoSAX (0.12 - 200 keV) observation of Circinus X-1 (Cir X-1) at phases betw...

Suzaku observations of the Circinus galaxy

Yang, Yuxuan
Wilson, Andrew S.
Matt, Giorgio
Terashima, Yuichi
Greenhill, Lincoln J.

January 2009

We report Suzaku observations of the active, Compton-thick Circinus galaxy. Observations were obtain...

On the Soft Excess in the X-Ray Spectrum of Circinus X-1: Revisitation of the Distance to Circinus X-1

IARIA R
SPAN M
DI SALVO T
ROBBA N R
BURDERI L
FENDER R
VAN DER KLIS M
FRONTERA F

January 2005

We report on a 300 ks BeppoSAX (0.12-200 keV) observation of Circinus X-1 (Cir X-1) at phases betwee...

SUZAKU OBSERVATIONS OF THE CIRCINUS GALAXY

Yang Y
Wilson AS
Terashima Y
Greenhill LJ
MATT, Giorgio

January 2009

We report Suzaku observations of the active, Compton-thick Circinus galaxy. Observations were obtain...

Flux and spectral variations in the Circinus Galaxy RID B-4804-2010

Bianchi S
Matt G
Fiore F
Fabian AC
Iwasawa K
Nicastro F

January 2002

We report on a dramatic flux (similar to 50% increase in the LECS and MECS band) and spectral variat...

X-ray behaviour of Circinus X-1 - I: X-ray Dips as a diagnostic of periodic behaviour

Clarkson, W I
Onyett, P A C N

February 2004

We examine the periodic nature of detailed structure (particularly dips) in the RXTE/ASM lightcurve ...

Spectral changes during six years of Scorpius X-1 monitoring with BeppoSAX Wide Field Cameras

P., S.
F., F.
L., B.
DI SALVO, T.

January 2005

We analyse a sample of fifty-five observations of Scorpius X-1 available in the BeppoSAX Wide Field ...

One more surprise from the Circinus Galaxy: BeppoSAX discovery of a transmission component in hard X-rays RID C-5880-2009

MATT, Giorgio
Guainazzi M
Maiolino R
Molendi S
Perola GC
Antonelli LA
Bassani L
Brandt WN
Fabian AC
Fiore F
Iwasawa K
Malaguti G
Marconi A
Poutanen J.

January 1999

The Circinus Galaxy has been observed, for the first time above 10 keV, by BeppoSAX. An excess emiss...

A hard tail in the X-ray broadband spectrum of Circinus X-1 at the periastron: A peculiar Z source

Iaria R
Di Salvo T
La Barbera A
Robba NR
BURDERI, LUCIANO

January 2001

We report on the spectral analysis of the peculiar source Cir X-1 observed by the BeppoSAX satellite...

On the soft excess in the x-ray spectrum of circinus X-1: Revisitation of the distance to circinus X-1

Iaria, R.
Spano', M.
DI SALVO, T.
Robba, N.
Burderi, L.
Fender, R.
Van Der Klis, M.
Frontera, F.

January 2005

We report on a 300 ks BeppoSAX(0.12-200 keV) observation of Circinus X-1 (CirX-1) at phases between ...

Circinus X-1: An X-ray chameleon

Muller JM
Burderi L
Robba NR

January 1999

We briefly discuss lightcurves, colour-colour diagram and spectra of the peculiar X-ray binary Circi...

Circinus X-1 observed with BeppoSAX wide field cameras

Menna MT
Muller JM
Antonelli LA
Burderi L
Di Salvo T
Fauci F
Guainazzi M
La Barbera A
La Parola V
Robba R

January 1999

We present a shy image and spectra for various orbital phases of Circinus X-1 observed by B-SAX Wide...

Study of the Circinus X-1 broadband spectrum at orbital phases close to the apoastron

Iaria R
Di Salvo T
Robba NR
BURDERI, LUCIANO

January 2002

We report on the results of a BeppoSAX (1.8-200 keV) observation of the peculiar X-ray binary source...

Presence of a soft excess between 0.6 keV and 0.9 keV in the energy spectrum of Cir X-1

Spano M
Iaria R
Di Salvo T
Robba NR
Burderi L
Stella L
Frontera F
van der Klis M

January 2004

We report on the results of a new BeppoSAX (0.12-200 keV) observation of the peculiar X-ray binary s...

On the Soft Excess in the X-Ray Spectrum of Circinus X-1: Revisitation of the Distance to Circinus X-1

Iaria, R.
Spanò, M.
di Salvo, T.
Robba, N.R.
Burderi, L.
Fender, R.P.
van der Klis, M.
Frontera, F.

January 2005

We report on a 300 ks BeppoSAX (0.12-200 keV) observation of Circinus X-1 (Cir X-1) at phases betwee...

On the soft excess in the X-ray spectrum of Circinus X-1: Revisitation of the distance to Circinus X-1

Iaria R
Spano M
Di Salvo T
Robba NR
Fender R
van der Klis M
Frontera F.
BURDERI, LUCIANO

January 2005

We report on a 300 ks BeppoSAX (0.12 - 200 keV) observation of Circinus X-1 (Cir X-1) at phases betw...

Suzaku observations of the Circinus galaxy

Yang, Yuxuan
Wilson, Andrew S.
Matt, Giorgio
Terashima, Yuichi
Greenhill, Lincoln J.

January 2009

We report Suzaku observations of the active, Compton-thick Circinus galaxy. Observations were obtain...

On the Soft Excess in the X-Ray Spectrum of Circinus X-1: Revisitation of the Distance to Circinus X-1

IARIA R
SPAN M
DI SALVO T
ROBBA N R
BURDERI L
FENDER R
VAN DER KLIS M
FRONTERA F

January 2005

We report on a 300 ks BeppoSAX (0.12-200 keV) observation of Circinus X-1 (Cir X-1) at phases betwee...

SUZAKU OBSERVATIONS OF THE CIRCINUS GALAXY

Yang Y
Wilson AS
Terashima Y
Greenhill LJ
MATT, Giorgio

January 2009

We report Suzaku observations of the active, Compton-thick Circinus galaxy. Observations were obtain...

Flux and spectral variations in the Circinus Galaxy RID B-4804-2010

Bianchi S
Matt G
Fiore F
Fabian AC
Iwasawa K
Nicastro F

January 2002

We report on a dramatic flux (similar to 50% increase in the LECS and MECS band) and spectral variat...

X-ray behaviour of Circinus X-1 - I: X-ray Dips as a diagnostic of periodic behaviour

Clarkson, W I
Onyett, P A C N

February 2004

We examine the periodic nature of detailed structure (particularly dips) in the RXTE/ASM lightcurve ...

Spectral changes during six years of Scorpius X-1 monitoring with BeppoSAX Wide Field Cameras

P., S.
F., F.
L., B.
DI SALVO, T.

January 2005

We analyse a sample of fifty-five observations of Scorpius X-1 available in the BeppoSAX Wide Field ...

One more surprise from the Circinus Galaxy: BeppoSAX discovery of a transmission component in hard X-rays RID C-5880-2009

MATT, Giorgio
Guainazzi M
Maiolino R
Molendi S
Perola GC
Antonelli LA
Bassani L
Brandt WN
Fabian AC
Fiore F
Iwasawa K
Malaguti G
Marconi A
Poutanen J.

January 1999

The Circinus Galaxy has been observed, for the first time above 10 keV, by BeppoSAX. An excess emiss...

A hard tail in the X-ray broadband spectrum of Circinus X-1 at the periastron: A peculiar Z source

Iaria R
Di Salvo T
La Barbera A
Robba NR
BURDERI, LUCIANO

January 2001

We report on the spectral analysis of the peculiar source Cir X-1 observed by the BeppoSAX satellite...

On the soft excess in the x-ray spectrum of circinus X-1: Revisitation of the distance to circinus X-1

Iaria, R.
Spano', M.
DI SALVO, T.
Robba, N.
Burderi, L.
Fender, R.
Van Der Klis, M.
Frontera, F.

January 2005

We report on a 300 ks BeppoSAX(0.12-200 keV) observation of Circinus X-1 (CirX-1) at phases between ...

Circinus X-1: An X-ray chameleon

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Circinus X-1: An X-ray chameleon

Abstract

Extracted data

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