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View article: Gender Imbalance in Physics Education and Employment in Germany: Trends and Challenges
Gender Imbalance in Physics Education and Employment in Germany: Trends and Challenges Open
Gender imbalance among German physicists persists, with fewer women in advanced degrees and research leadership roles. Although female enrollment in Physics programs increased slightly until 2022, potentially influenced by COVID-19 the lon…
View article: Isolated Neutron Stars as Science Validation for <scp>XMM2ATHENA</scp>: Ensuring Robust Data for Future X‐Ray Astronomy
Isolated Neutron Stars as Science Validation for <span>XMM2ATHENA</span>: Ensuring Robust Data for Future X‐Ray Astronomy Open
The discovery of radio‐quiet, x‐ray thermally emitting isolated neutron stars (XINSs) in the ROSAT All‐Sky Survey revealed a previously overlooked component of the neutron star population. Advancements in x‐ray instrumentation and the avai…
View article: The eROSITA upper limits
The eROSITA upper limits Open
Context . The soft X-ray instrument eROSITA on board the Spectrum-Roentgen-Gamma (SRG) observatory has successfully completed four of the eight planned all-sky surveys, detecting almost one million X-ray sources during the first survey (eR…
View article: XMM2ATHENA, the H2020 project to improve XMM‐Newton analysis software and prepare for Athena
XMM2ATHENA, the H2020 project to improve XMM‐Newton analysis software and prepare for Athena Open
XMM‐Newton , a European Space Agency observatory, has been observing the X‐ray, ultra‐violet, and optical sky for 23 years. During this time, astronomy has evolved from mainly studying single sources to populations and from a single wavele…
View article: XMM2ATHENA, the H2020 project to improve XMM-Newton analysis software and prepare for Athena
XMM2ATHENA, the H2020 project to improve XMM-Newton analysis software and prepare for Athena Open
XMM-Newton, a European Space Agency observatory, has been observing the X-ray, ultra-violet and optical sky for 23 years. During this time, astronomy has evolved from mainly studying single sources to populations and from a single waveleng…
View article: Managing Work-Life Balance During the COVID-19 Crisis: A survey with more than 1,500 participants
Managing Work-Life Balance During the COVID-19 Crisis: A survey with more than 1,500 participants Open
In the early phase of the COVID-19 pandemic, the Working Group on Equal Opportunities of the German Physical Society conducted a nonrepresentative, international online survey, investigating the impact of the pandemic and its consequences …
View article: Serendipitous discovery of the magnetic cataclysmic variable SRGE J075818−612027
Serendipitous discovery of the magnetic cataclysmic variable SRGE J075818−612027 Open
We report the discovery of SRGE J075818−612027, a deep stream-eclipsing magnetic cataclysmic variable found serendipitously in SRG/eROSITA calibration and performance verification phase (CalPV) observations of the open cluster NGC 2516 as …
View article: Serendipitous discovery of the magnetic cataclysmic variable SRGE J075818-612027
Serendipitous discovery of the magnetic cataclysmic variable SRGE J075818-612027 Open
We report the discovery of SRGE J075818-612027, a deep stream-eclipsing magnetic cataclysmic variable found serendipitously in SRG/eROSITA CalPV observations of the open cluster NGC~2516 as an unrelated X-ray source. An X-ray timing and sp…
View article: Managing work-life balance during the COVID-19 crisis: A survey with more than 1,500 participants
Managing work-life balance during the COVID-19 crisis: A survey with more than 1,500 participants Open
In the early phase of the COVID-19 pandemic, the Working Group on Equal Opportunities (AKC) of the German Physical Society conducted a nonrepresentative, international online survey, investigating the impact of the pandemic and its consequ…
View article: XMM-Newton and SRG/eROSITA observations of the isolated neutron star candidate 4XMM J022141.5-735632
XMM-Newton and SRG/eROSITA observations of the isolated neutron star candidate 4XMM J022141.5-735632 Open
We report the results of follow-up investigations of a possible new thermally emitting isolated neutron star (INS), 4XMM J022141.5-735632, using observations from XMM-Newton and Spectrum Roentgen Gamma (SRG) eROSITA. The analysis is comple…
View article: HILIGT, Upper Limit Servers II -- Implementing the data servers
HILIGT, Upper Limit Servers II -- Implementing the data servers Open
The High-Energy Lightcurve Generator (HILIGT) is a new web-based tool which allows the user to generate long-term lightcurves of X-ray sources. It provides historical data and calculates upper limits from image data in real-time. HILIGT ut…
View article: Phase-resolved X-ray spectroscopy of PSR B0656+14 with SRG/eROSITA and<i>XMM-Newton</i>
Phase-resolved X-ray spectroscopy of PSR B0656+14 with SRG/eROSITA and<i>XMM-Newton</i> Open
We present a detailed spectroscopic and timing analysis of X-ray observations of the bright pulsar PSR B0656+14. The observations were obtained simultaneously with eROSITA and XMM-Newton during the calibration and performance verification …
View article: <scp>MACHO</scp> 311.37557.169: A <scp>VY</scp> Scl star
<span>MACHO</span> 311.37557.169: A <span>VY</span> Scl star Open
Optical surveys, such as the MACHO project, often uncover variable stars whose classification requires follow‐up observations by other instruments. We performed X‐ray spectroscopy and photometry of the unusual variable star MACHO 311.37557…