A dataset provided by the European Space Agency

Name: Are All ULXs Created Equal? The Globular Cluster ULX in the S0 Galaxy NGC 1380
Published: 2014-02-19T00:00:00Z

Proposal ID	069467
Title	Are All ULXs Created Equal? The Globular Cluster ULX in the S0 Galaxy NGC 1380
Download Data Associated to the proposal	https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0694670101
DOI	https://doi.org/10.5270/esa-migep5u
Principal Investigator, PI	Prof Craig Sarazin
Abstract	Most Ultra-Luminous X-ray sources (ULXs) are now believed to be associated withstellar mass black holes (StMBHs); however, ULXs in globular clusters arenatural candidates among which to search for (the elusive) IMBHs. Our Chandraand HST observations of the S0 galaxy NGC 1380 detected the third bona-fide ULXlocated in a GC that shows both large variability and persistent ULX emission.The ULX is a 5.8e39 erg/s source with atypically hard emission. Our proposed XMMobservation will accurately measure the spectrum of the source, allowing us toclassify it as a likely StMBH or IMBH. The variability will be determined,including searches for an orbital period, low frequency QPOs, a power-spectrumbreak, or a state change (associated spectral/luminosity variation), giving a mass estimate.
Publications	The Million Optical - Radio/X-ray Associations (MORX) Catalogue \|Flesch Eric W. \| PASA \| 33-52 \| 2016 \| 2016PASA...33...52F \| http://ui.adsabs.harvard.edu/#abs/2016PASA...33...52F Gas Sloshing Regulates and Records the Evolution of the Fornax Cluster \|Su Yuanyuan Nulsen Paul E. J. et al. \| ApJ \| 851-69 \| 2017 \| 2017ApJ...851...69S \| http://ui.adsabs.harvard.edu/#abs/2017ApJ...851...69S The Recent Growth History of the Fornax Cluster Derived from Simultaneous Sloshing and Gas Stripping: Simulating the Infall of NGC 1404 \|Sheardown Alex Roediger Elke et al. \| ApJ \| 865-118 \| 2018 \| 2018ApJ...865..118S \| http://ui.adsabs.harvard.edu/#abs/2018ApJ...865..118S Classification of 4XMM-DR9 sources by machine learning \|Zhang Yanxia Zhao Yongheng \| MNRAS \| 503-5263 \| 2021 \| 2021MNRAS.503.5263Z \| http://ui.adsabs.harvard.edu/#abs/2021MNRAS.503.5263Z From Active Stars to Black Holes: A Discovery Tool for Galactic X-Ray Sources \|Rodriguez Antonio C. \| PASP \| 136-054201 \| 2024 \| 2024PASP..136e4201R \| http://ui.adsabs.harvard.edu/#abs/2024PASP..136e4201R Robust constraints on feebly interacting particles using XMM-Newton \|Luque Pedro De la Torre Balaji Shyam \| PhRvD \| 109-L101305 \| 2024 \| 2024PhRvD.109j1305L \| http://ui.adsabs.harvard.edu/#abs/2024PhRvD.109j1305L Multimessenger search for electrophilic feebly interacting particles from supernovae \|Luque Pedro De la Torre Balaji Shyam \| PhRvD \| 109-103028 \| 2024 \| 2024PhRvD.109j3028L \| http://ui.adsabs.harvard.edu/#abs/2024PhRvD.109j3028L Importance of Cosmic-Ray Propagation on Sub-GeV Dark Matter Constraints \|De la Torre Luque Pedro Balaji Shyam \| ApJ \| 968-46 \| 2024 \| 2024ApJ...968...46D \| http://ui.adsabs.harvard.edu/#abs/2024ApJ...968...46D
Instrument	EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage	2013-01-25T21:03:51Z/2013-01-27T01:42:28Z
Version	17.56_20190403_1200
Mission Description	The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations. Since Earths atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
Creator Contact	https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published	2014-02-19T00:00:00Z
Last Update	2025-01-27
Keywords	"NGC 1380", "ulxs created equal", "HST", "persistent ulx emission", "globular cluster", "natural candidates", "luminosity variation", "power spectrum break", "orbital period", "elusive imbhs", "8e39 erg", "atypically hard emission", "XMM", "globular cluster ulx", "low frequency qpos"
Publisher And Registrant	European Space Agency
Credit Guidelines	European Space Agency, Prof Craig Sarazin, 2014, 'Are All ULXs Created Equal? The Globular Cluster ULX in the S0 Galaxy NGC 1380', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-migep5u