Frank Haberl

XMM-Newton Observations of Radio Pulsars B0834+06 and B0826-34 and Implications for the Pulsar Inner Accelerator (2008)

Geppert, Ulrich, Gil, Janusz, Haberl, Frank, Melikidze, Georgi, Zhang, Bing

We report the X-ray observations of two radio pulsars with drifting subpulses, B0834+06 and B0826-34, using XMM-Newton. PSR B0834+06 was detected with a total of 70 counts from the three EPIC...

The SMC SNR 1E0102.2-7219 as a Calibration Standard for X-ray Astronomy in the 0.3-2.5 keV Bandpass (2008)

Plucinsky, Paul P., Haberl, Frank, Dewey, Daniel, Beardmore, Andrew P., DePasquale, Joseph M., Godet, Olivier, ...

The flight calibration of the spectral response of CCD instruments below 1.5 keV is difficult in general because of the lack of strong lines in the on-board calibration sources typically available....

The Chandra ACIS Survey of M33 (ChASeM33): Transient X-ray Sources Discovered in M33 (2008)

Williams, Benjamin F., Gaetz, Terrance J., Haberl, Frank, Pietsch, Wolfgang, Shporer, Avi, Ghavamian, Parviz, ...

The Chandra ACIS Survey of M33 (ChASeM33) has acquired 7 fields of ACIS data covering M33 with 200 ks of exposure in each field. A catalog from the first 10 months of data, along with archival...

Probing Elemental Abundances in SNR 1987A Using XMM-Newton (2007)

Heng, Kevin, Haberl, Frank, Aschenbach, Bernd, Hasinger, Guenther

We report on the latest (2007 Jan) observations of supernova remnant (SNR) 1987A from the XMM-Newton mission. Since the 2003 May observations of Haberl et al. (2006), 11 emission lines have...

Chandra ACIS Survey of M33 (ChASeM33): A First Look (2007)

Plucinsky, Paul P., Williams, Benjamin, Long, Knox S., Gaetz, Terrance J., Sasaki, Manami, Pietsch, Wolfgang, ...

We present an overview of the Chandra ACIS Survey of M33 (ChASeM33): A Deep Survey of the Nearest Face-on Spiral Galaxy. The 1.4 Ms survey covers the galaxy out to $R \approx 18\arcmin (\approx 4$...

XMM-Newton observations of XTE J1817-330 and XTE J1856+053 (2007)

Sala, Gloria, Greiner, Jochen, Bottacini, Eugenio, Haberl, Frank

The black hole candidate XTE J1817-330 was discovered in outburst on 26 January 2006 with RXTE/ASM. One year later, on 28 February 2007, another X-ray transient discovered in 1996, XTE J1856+053, was...

The complex X-ray spectrum of the isolated neutron star RBS1223 (2006)

Schwope, Axel D., Hambaryan, Valeri, Haberl, Frank, Motch, Christian

We present a first analysis of a deep X-ray spectrum of the isolated neutron star RBS1223 obtained with XMM-Newton. Spectral data from four new monitoring observations in 2005/2006 were combined with...

The super-soft source XMMU J052016.0-692505 in the LMC (2006)

Kahabka, Peter, Haberl, Frank, Payne, Jeff L., Filipović, Miroslav

Aims.We report the discovery of the super-soft X-ray source XMMU J052016.0-692505 in the LMC with XMM-Newton. Methods.We analyse the EPIC spectra of XMMU J052016.0-692505 and study the likely optical...

The super-soft source XMMU J052016.0-692505 in the LMC (2006)

Kahabka, Peter, Haberl, Frank, Payne, Jeff L., Filipović, Miroslav

Aims.We report the discovery of the super-soft X-ray source XMMU J052016.0-692505 in the LMC with XMM-Newton. Methods.We analyse the EPIC spectra of XMMU J052016.0-692505 and study the likely optical...

X-ray and optical properties of new Gamma Cas-like objects discovered in X-ray surveys (2005)

Motch, Christian, De Oliveira, Raimundo Lopes, Negueruela, Ignacio, Haberl, Frank, Janot-Pacheco, Eduardo

A growing number of early Be stars discovered in X-ray surveys exhibit X-ray luminosities intermediate between those of normal stars and those of most Be/X-ray binaries in quiescence. Their X-ray...

XMM-Newton observations of the microquasars GRO J1655-40 and GRS 1915+105 (2005)

Sala, Gloria, Greiner, Jochen, Haberl, Frank, Kendziorra, Eckhard, Dennerl, Konrad, Freyberg, Michael, ...

We present results of a sequence of XMM-Newton observations of the two microquasars GRO J1655-40 and GRS 1915+105. The observations were preformed using the EPIC-pn camera in the Burst mode. The...

Candidate Isolated Neutron Stars and Other Optically Blank X-ray Fields Identified from the ROSAT All-Sky and Sloan Digital Sky Surveys (2005)

Agueros, Marcel A., Anderson, Scott F., Margon, Bruce, Posselt, Bettina, Haberl, Frank, Voges, Wolfgang, ...

Only seven radio-quiet isolated neutron stars (INSs) emitting thermal X rays are known, a sample that has yet to definitively address such fundamental issues as the equation of state of degenerate...

Improving XMM-Newton EPIC pn data at low energies: method and application to the Vela SNR (2004)

Dennerl, Konrad, Aschenbach, Bernd, Briel, Ulrich G., Brunner, Hermann, Burwitz, Vadim, Englhauser, Jakob, ...

High quantum efficiency over a broad spectral range is one of the main properties of the EPIC pn camera on-board XMM-Newton. The quantum efficiency rises from ~75% at 0.2 keV to ~100% at 1 keV, stays...

Timing Analysis of the Isolated Neutron Star RX J0720.4-3125 Revisited (2004)

Cropper, Mark, Haberl, Frank, Zane, Silvia, Zavlin, Vyacheslav

We present a reanalysis of the X-ray data for RX J0720.4-3125 presented in Zane et al. (2002), using more data recently available from XMM-Newton and Chandra. This analysis also corrects the Rosat...

The Bursting Behavior of 4U 1728-34: Parameters of a Neutron Star and Geometry of a NS-disk system (2003)

Shaposhnikov, Nickolai, Titarchuk, Lev, Haberl, Frank

We analyze a set of Type I X-ray bursts from the low mass X-ray binary 4U 1728 -34, observed with Rossi X-ray Timing Explorer (RXTE). and we implement an analytical model of X-ray spectral formation...

XMM-Newton observations of High Mass X-ray Binaries in the SMC (2003)

Sasaki, Manami, Pietsch, Wolfgang, Haberl, Frank

Based on XMM-Newton EPIC data of four pointings towards the Small Magellanic Cloud (SMC), results on timing and spectral analyses of 16 known high mass X-ray binaries (HMXBs) and HMXB candidates in...

Timing analysis of the isolated neutron star RX J0720.4-3125 (2002)

Zane, Silvia, Haberl, Frank, Cropper, Mark, Zavlin, Vyacheslav E., Lumb, David, Sembay, Steve, ...

We present a combined analysis of XMM-Newton, Chandra and Rosat observations of the isolated neutron star RXJ0720.4-3125, spanning a total period of \sim 7 years. We develop a maximum likelihood...

Timing study of the isolated neutron star RX J0720.4-3125 (2002)

Zane, Silvia, Haberl, Frank, Cropper, Mark, Zavlin, Vyacheslav E., Lumb, David, Sembay, Steve, ...

We present a combined analysis of XMM-Newton, Chandra and Rosat observations of the isolated neutron star RX J0720.4-3125, spanning a total period of \sim 7 years. We develop a maximum likelihood...

Timing analysis of the isolated neutron star RX J0720.4-3125 (2002)

Zane, Silvia, Haberl, Frank, Cropper, Mark, Zavlin, Vyacheslav E., Lumb, David, Sembay, Steve, ...

We present a combined analysis of XMM-Newton, Chandra and ROSAT observations of the isolated neutron star RX J0720.4-3125, spanning a total period of similar to7 yr. We develop a maximum likelihood...

First XMM-Newton observations of an isolated neutron star: RXJ0720.4-3125 (2000)

Paerels, Frits, Motch, Christian, Haberl, Frank, Zavlin, Vyacheslav E., Zane, Silvia, Ramsay, Gavin, ...

We present the high resolution spectrum of the isolated neutron star RXJ0720.4-3125, obtained with the Reflection Grating Spectrometer on XMM-Newton, complemented with the broad band spectrum...

Modelling the spin pulse profile of the isolated neutron star RX J0720.4--3125 observed with XMM-Newton (2000)

Cropper, Mark, Zane, Silvia, Ramsay, Gavin, Haberl, Frank, Motch, Christian

We model the spin pulse intensity and hardness ratio profiles of the isolated neutron star RXJ0720.4--3125 using XMM-Newton data. The observed variation is approximately sinusoidal with a...

ROSAT HRI catalogue of X-ray sources in the LMC region (2000)

Sasaki, Manami, Haberl, Frank, Pietsch, Wolfgang

All 543 pointed observations of the ROSAT High Resolution Imager (HRI) with exposure times higher than 50 sec in a field of 10 deg x 10 deg covering the Large Magellanic Cloud (LMC) were analyzed. A...

The ROSAT All-Sky Survey Bright Source Catalogue (1999)

Voges, Wolfgang, Aschenbach, Bernd, Boller, Thomas, Braeuninger, Heinrich, Briel, Ulrich, Burkert, Wolfgang, ...

We present the ROSAT All-Sky Survey Bright Source Catalogue (RASS-BSC, revision 1RXS) derived from the all-sky survey performed during the first half year (1990/91) of the ROSAT mission. 18,811...