Francesca M. Fornasini
YOU?
Author Swipe
View article: The NuSTAR Serendipitous Survey: The 80 Month Catalog and Source Properties of the High-energy Emitting Active Galactic Nucleus and Quasar Population
The NuSTAR Serendipitous Survey: The 80 Month Catalog and Source Properties of the High-energy Emitting Active Galactic Nucleus and Quasar Population Open
We present a catalog of hard X-ray serendipitous sources detected in the first 80 months of observations by the Nuclear Spectroscopic Telescope Array (NuSTAR). The NuSTAR serendipitous survey 80 month (NSS80) catalog has an unprecedented ∼…
View article: The NuSTAR Serendipitous Survey: the 80-month catalog and source properties of the high-energy emitting AGN and quasar population
The NuSTAR Serendipitous Survey: the 80-month catalog and source properties of the high-energy emitting AGN and quasar population Open
We present a catalog of hard X-ray serendipitous sources detected in the first 80 months of observations by the Nuclear Spectroscopic Telescope Array (NuSTAR). The NuSTAR serendipitous survey 80-month (NSS80) catalog has an unprecedented $…
View article: PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time-domain Field II
PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time-domain Field II Open
We present the second NuSTAR and XMM-Newton extragalactic survey of the JWST north ecliptic pole (NEP) time-domain field (TDF). The first NuSTAR NEP-TDF survey had 681 ks total exposure time executed in NuSTAR cycle 5 in 2019 and 2020. Thi…
View article: X-ray measurement of a high-mass white dwarf and its spin for the intermediate polar IGR J18434−0508
X-ray measurement of a high-mass white dwarf and its spin for the intermediate polar IGR J18434−0508 Open
IGR J18434−0508 is a Galactic Intermediate Polar (IP) type Cataclysmic Variable (CV) previously classified through optical spectroscopy. The source is already known to have a hard Chandra spectrum. In this paper, we have used follow-up XMM…
View article: X-ray measurement of a high-mass white dwarf and its spin for the intermediate polar IGR J18434-0508
X-ray measurement of a high-mass white dwarf and its spin for the intermediate polar IGR J18434-0508 Open
IGR J18434-0508 is a Galactic Intermediate Polar (IP) type Cataclysmic Variable (CV) previously classified through optical spectroscopy. The source is already known to have a hard Chandra spectrum. In this paper, we have used follow-up XMM…
View article: The high energy X-ray probe: resolved X-ray populations in extragalactic environments
The high energy X-ray probe: resolved X-ray populations in extragalactic environments Open
We construct simulated galaxy data sets based on the High Energy X-ray Probe (HEX-P) mission concept to demonstrate the significant advances in galaxy science that will be yielded by the HEX-P observatory. The combination of high spatial r…
View article: The High Energy X-ray Probe: Resolved X-ray Populations in Extragalactic Environments
The High Energy X-ray Probe: Resolved X-ray Populations in Extragalactic Environments Open
We construct simulated galaxy data sets based on the High Energy X-ray Probe (HEX-P) mission concept to demonstrate the significant advances in galaxy science that will be yielded by the HEX-P observatory. The combination of high spatial r…
View article: High-mass X-ray Binaries
High-mass X-ray Binaries Open
Binary systems in which a neutron star or black hole accretes material from a high-mass star are known as high-mass X-ray binaries (HMXBs). This chapter provides a brief introduction to the physics of wind accretion and an observational vi…
View article: Classifying IGR J15038−6021 as a magnetic CV with a massive white dwarf
Classifying IGR J15038−6021 as a magnetic CV with a massive white dwarf Open
Cataclysmic variables (CVs) are binary systems consisting of a white dwarf (WD) accreting matter from a companion star. Observations of CVs provide an opportunity to learn about accretion discs, the physics of compact objects, classical no…
View article: Classifying IGR J15038-6021 as a magnetic CV with a massive white dwarf
Classifying IGR J15038-6021 as a magnetic CV with a massive white dwarf Open
Cataclysmic variables (CVs) are binary systems consisting of a white dwarf (WD) accreting matter from a companion star. Observations of CVs provide an opportunity to learn about accretion disks, the physics of compact objects, classical no…
View article: The MOSDEF survey: towards a complete census of the <i>z</i> ∼ 2.3 star-forming galaxy population
The MOSDEF survey: towards a complete census of the <i>z</i> ∼ 2.3 star-forming galaxy population Open
We analyse the completeness of the MOSDEF survey, in which z ∼ 2 galaxies were selected for rest-optical spectroscopy from well-studied HST extragalactic legacy fields down to a fixed rest-optical magnitude limit (HAB = 24.5). The subset o…
View article: The MOSDEF Survey: Towards a Complete Census of the z ~ 2.3 Star-forming Galaxy Population
The MOSDEF Survey: Towards a Complete Census of the z ~ 2.3 Star-forming Galaxy Population Open
We analyze the completeness of the MOSDEF survey, in which z ~ 2 galaxies were selected for rest-optical spectroscopy from well-studied HST extragalactic legacy fields down to a fixed rest-optical magnitude limit (H_AB = 24.5). The subset …
View article: Termination Shocks and the Extended X-Ray Emission in Mrk 78
Termination Shocks and the Extended X-Ray Emission in Mrk 78 Open
Subarcsecond imaging of the X-ray emission in the type 2 active galactic nucleus (AGN) Mrk 78 with Chandra shows complex structure with spectral variations on scales from ∼200 pc to ∼2 kpc. Overall the X-ray emission is aligned E–W with th…
View article: Reconciling the results of the <i>z</i> ∼ 2 MOSDEF and KBSS-MOSFIRE Surveys
Reconciling the results of the <i>z</i> ∼ 2 MOSDEF and KBSS-MOSFIRE Surveys Open
The combination of the MOSDEF and KBSS-MOSFIRE surveys represents the largest joint investment of Keck/MOSFIRE time to date, with ∼3000 galaxies at 1.4 ≲ z ≲ 3.8, roughly half of which are at z ∼ 2. MOSDEF is photometric- and spectroscopic…
View article: Classifying IGR J18007−4146 as an intermediate polar using <i>XMM</i> and <i>NuSTAR</i>
Classifying IGR J18007−4146 as an intermediate polar using <i>XMM</i> and <i>NuSTAR</i> Open
Many new and unidentified Galactic sources have recently been revealed by ongoing hard X-ray surveys. A significant fraction of these have been shown to be the type of accreting white dwarfs known as cataclysmic variables (CVs). Follow-up …
View article: Reconciling the Results of the z~2 MOSDEF and KBSS-MOSFIRE Surveys
Reconciling the Results of the z~2 MOSDEF and KBSS-MOSFIRE Surveys Open
The combination of the MOSDEF and KBSS-MOSFIRE surveys represents the largest joint investment of Keck/MOSFIRE time to date, with ~3000 galaxies at 1.4<=z<=3.8, roughly half of which are at z~2. MOSDEF is photometric- and spectroscopic-red…
View article: The <i>NuSTAR</i> extragalactic survey of the <i>James Webb Space Telescope</i> North Ecliptic Pole time-domain field
The <i>NuSTAR</i> extragalactic survey of the <i>James Webb Space Telescope</i> North Ecliptic Pole time-domain field Open
We present the NuSTAR extragalactic survey of the James Webb Space Telescope (JWST) North Ecliptic Pole (NEP) Time-Domain Field. The survey covers a ∼0.16 deg2 area with a total exposure of 681 ks acquired in a total of nine observations f…
View article: Bringing faint active galactic nuclei (AGNs) to light: a view from large-scale cosmological simulations
Bringing faint active galactic nuclei (AGNs) to light: a view from large-scale cosmological simulations Open
The sensitivity of X-ray facilities and our ability to detect fainter active galactic nuclei (AGNs) will increase with the upcoming Athena mission and the AXIS and Lynx concept missions, thus improving our understanding of supermassive bla…
View article: The NuSTAR Extragalactic Survey of the James Webb Space Telescope North Ecliptic Pole Time-Domain Field
The NuSTAR Extragalactic Survey of the James Webb Space Telescope North Ecliptic Pole Time-Domain Field Open
We present the $NuSTAR$ extragalactic survey of the $James$ $Webb$ $Space$ $Telescope$ ($JWST$) North Ecliptic Pole (NEP) Time-Domain Field. The survey covers a $\sim$0.16 deg$^2$ area with a total exposure of 681 ks acquired in a total of…
View article: Where Do Obscured AGN Fit in a Galaxy’s Timeline?
Where Do Obscured AGN Fit in a Galaxy’s Timeline? Open
Many X-ray bright active galactic nuclei (AGNs) are predicted to follow an extended stage of obscured black hole growth. In support of this picture we examine the X-ray undetected AGNs in the COSMOS field and compare their host galaxies wi…
View article: The MOSDEF survey: the mass–metallicity relationship and the existence of the FMR at <i>z</i> ∼ 1.5
The MOSDEF survey: the mass–metallicity relationship and the existence of the FMR at <i>z</i> ∼ 1.5 Open
We analyse the rest-optical emission-line ratios of z ∼ 1.5 galaxies drawn from the Multi-Object Spectrometer for Infra-Red Exploration Deep Evolution Field (MOSDEF) survey. Using composite spectra, we investigate the mass–metallicity rela…
View article: The MOSDEF survey: a comprehensive analysis of the rest-optical emission-line properties of <i>z</i> ∼ 2.3 star-forming galaxies
The MOSDEF survey: a comprehensive analysis of the rest-optical emission-line properties of <i>z</i> ∼ 2.3 star-forming galaxies Open
We analyse the rest-optical emission-line spectra of z ∼ 2.3 star-forming galaxies in the complete MOSFIRE Deep Evolution Field (MOSDEF) survey. In investigating the origin of the well-known offset between the sequences of high-redshift an…
View article: The MOSDEF survey: differences in SFR and metallicity for morphologically selected mergers at <i>z</i> ∼ 2
The MOSDEF survey: differences in SFR and metallicity for morphologically selected mergers at <i>z</i> ∼ 2 Open
We study the properties of 55 morphologically-identified merging galaxy systems at z ∼ 2. These systems are flagged as mergers based on features such as tidal tails, double nuclei, and asymmetry. Our sample is drawn from the MOSFIRE Deep E…
View article: Bringing faint Active Galactic Nuclei (AGN) to light
Bringing faint Active Galactic Nuclei (AGN) to light Open
The sensitivity of X-ray facilities will increase with the upcoming Athena and the AXIS and Lynx concept missions. These new instruments will allow us to detect fainter active galactic nuclei (AGN), therefore increasing our understanding o…
View article: Bringing faint active galactic nuclei (AGNs) to light: a view from large-scale cosmological simulations
Bringing faint active galactic nuclei (AGNs) to light: a view from large-scale cosmological simulations Open
The sensitivity of X-ray facilities and our ability to detect fainter active galactic nuclei (AGNs) will increase with the upcoming Athena mission and the AXIS and Lynx concept missions, thus improving our understanding of supermassive bla…
View article: The MOSDEF Survey: Neon as a Probe of ISM Physical Conditions at High Redshift<sup>*</sup>
The MOSDEF Survey: Neon as a Probe of ISM Physical Conditions at High Redshift<sup>*</sup> Open
We present results on the properties of neon emission in z ∼ 2 star-forming galaxies drawn from the MOSFIRE Deep Evolution Field (MOSDEF) survey. Doubly ionized neon ([Ne iii ] λ 3869) is detected at ≥3 σ in 61 galaxies, representing ∼25% …
View article: The MOSDEF Survey: Untangling the Emission-line Properties of $z\sim 2.3$ Star-forming Galaxies
The MOSDEF Survey: Untangling the Emission-line Properties of $z\sim 2.3$ Star-forming Galaxies Open
We analyze the rest-optical emission-line spectra of $z\sim2.3$ star-forming galaxies in the complete MOSFIRE Deep Evolution Field (MOSDEF) survey. In investigating the origin of the well-known between the sequences of high-redshift and l…
View article: Connecting the metallicity dependence and redshift evolution of high-mass X-ray binaries
Connecting the metallicity dependence and redshift evolution of high-mass X-ray binaries Open
The integrated X-ray luminosity (LX) of high-mass X-ray binaries (HMXBs) in a galaxy is correlated with its star formation rate (SFR), and the normalization of this correlation increases with redshift. Population synthesis models suggest t…
View article: The MOSDEF Survey: The Metallicity Dependence of X-Ray Binary Populations at z ∼ 2
The MOSDEF Survey: The Metallicity Dependence of X-Ray Binary Populations at z ∼ 2 Open
Population synthesis models predict that high-mass X-ray binary (HMXB) populations produced in low-metallicity environments should be more X-ray luminous, a trend supported by studies of nearby galaxies. This trend may be responsible for t…
View article: The MOSDEF survey: direct-method metallicities and ISM conditions at z ∼ 1.5–3.5
The MOSDEF survey: direct-method metallicities and ISM conditions at z ∼ 1.5–3.5 Open
We present detections of [O iii] λ4363 and direct-method metallicities for star-forming galaxies at z = 1.7–3.6. We combine new measurements from the MOSFIRE Deep Evolution Field (MOSDEF) survey with literature sources to construct a sampl…