F. E. Marshall
YOU?
Author Swipe
View article: Panning for gold with the <i>Neil Gehrels Swift Observatory</i>: an optimal strategy for finding the counterparts to gravitational wave events
Panning for gold with the <i>Neil Gehrels Swift Observatory</i>: an optimal strategy for finding the counterparts to gravitational wave events Open
The LIGO, Virgo, and KAGRA (LVK) gravitational wave observatories are currently undertaking their O4 observing run offering the opportunity to discover new electromagnetic counterparts to gravitational wave events. We examine the capabilit…
View article: Panning for gold with the Neil Gehrels Swift Observatory: an optimal strategy for finding the counterparts to gravitational wave events
Panning for gold with the Neil Gehrels Swift Observatory: an optimal strategy for finding the counterparts to gravitational wave events Open
The LIGO, Virgo and KAGRA gravitational wave observatories are currently undertaking their O4 observing run offering the opportunity to discover new electromagnetic counterparts to gravitational wave events. We examine the capability of th…
View article: <i>Swift</i>/UVOT discovery of <i>Swift</i> J221951−484240: a UV luminous ambiguous nuclear transient
<i>Swift</i>/UVOT discovery of <i>Swift</i> J221951−484240: a UV luminous ambiguous nuclear transient Open
We report the discovery of Swift J221951−484240 (hereafter: J221951), a luminous slow-evolving blue transient that was detected by the Neil Gehrels Swift Observatory Ultraviolet/Optical Telescope (Swift/UVOT) during the follow-up of gravit…
View article: Swift/UVOT discovery of Swift J221951-484240: a UV luminous ambiguous nuclear transient
Swift/UVOT discovery of Swift J221951-484240: a UV luminous ambiguous nuclear transient Open
We report the discovery of Swift J221951-484240 (hereafter: J221951), a luminous slow-evolving blue transient that was detected by the Neil Gehrels Swift Observatory Ultra-violet/Optical Telescope (Swift/UVOT) during the follow-up of Gravi…
View article: Pulsar timing for the <i><b>Fermi</b></i> gamma-ray space telescope
Pulsar timing for the <i><b>Fermi</b></i> gamma-ray space telescope Open
Here, we describe a comprehensive pulsar monitoring campaign for the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope (formerly GLAST). The detection and study of pulsars in gamma rays give insights into the populations of…
View article: REINVESTIGATION OF THE MICROWAVE SPECTRUM OF THE O2-H2O VAN DER WAALS COMPLEX
REINVESTIGATION OF THE MICROWAVE SPECTRUM OF THE O2-H2O VAN DER WAALS COMPLEX Open
View article: Accuracy of quantum chemistry structures of chiral tag complexes and the assignment of absolute configuration
Accuracy of quantum chemistry structures of chiral tag complexes and the assignment of absolute configuration Open
The absolute configuration of a molecule can be established by analysis of molecular rotational spectra of the analyte complexed with a small chiral molecule of known configuration.
View article: <i>Swift</i>/UVOT follow-up of gravitational wave alerts in the O3 era
<i>Swift</i>/UVOT follow-up of gravitational wave alerts in the O3 era Open
In this paper, we report on the observational performance of the Swift Ultra-violet/Optical Telescope (UVOT) in response to the gravitational wave (GW) alerts announced by the Advanced Laser Interferometer Gravitational Wave Observatory an…
View article: A HEIGHT ADJUSTABLE LASER ABLATION SOURCE FOR A CP-FTMW SPECTROMETER AT THE MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGY
A HEIGHT ADJUSTABLE LASER ABLATION SOURCE FOR A CP-FTMW SPECTROMETER AT THE MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGY Open
While previous iterations of laser ablation designs have been attempted at Missouri S\\&T, none had the capability to adjust the location of the nozzle in relation to the horn antenna \\textit{in situ} without breaking vacuum. This design …
View article: Swift Multiwavelength Follow-up of LVC S200224ca and the Implications for Binary Black Hole Mergers
Swift Multiwavelength Follow-up of LVC S200224ca and the Implications for Binary Black Hole Mergers Open
On 2020 February 24, during their third observing run (“O3”), the Laser Interferometer Gravitational-wave Observatory and Virgo Collaboration detected S200224ca: a candidate gravitational wave (GW) event produced by a binary black hole (BB…
View article: GCRF African SWIFT and ForPAc SHEAR White Paper on the Potential of Operational Weather Prediction to Save Lives and Improve Livelihoods and Economies in Sub-Saharan Africa
GCRF African SWIFT and ForPAc SHEAR White Paper on the Potential of Operational Weather Prediction to Save Lives and Improve Livelihoods and Economies in Sub-Saharan Africa Open
The ‘silent revolution’ of numerical weather prediction (NWP) has led to significant social benefits and billions of dollars in economic benefits to mid-latitude countries, however the level of benefit in sub-Saharan Africa has been very l…
View article: GCRF African SWIFT White Paper Policy Brief: The future of African weather forecasting
GCRF African SWIFT White Paper Policy Brief: The future of African weather forecasting Open
There is a huge opportunity for the African continent to benefit from the ‘silent revolution’ in weather forecasting that has been realised in the mid-latitudes throughout the twentieth century. While there are tremendous societal and econ…
View article: <i>Swift</i>-XRT follow-up of gravitational wave triggers during the third aLIGO/Virgo observing run
<i>Swift</i>-XRT follow-up of gravitational wave triggers during the third aLIGO/Virgo observing run Open
The Neil Gehrels Swift Observatory followed up 18 gravitational wave (GW) triggers from the LIGO/Virgo collaboration during the O3 observing run in 2019/2020, performing approximately 6500 pointings in total. Of these events, four were fin…
View article: Intensive disc-reverberation mapping of Fairall 9: first year of <i>Swift</i> and LCO monitoring
Intensive disc-reverberation mapping of Fairall 9: first year of <i>Swift</i> and LCO monitoring Open
We present results of time-series analysis of the first year of the Fairall 9 intensive disc-reverberation campaign. We used Swift and the Las Cumbres Observatory global telescope network to continuously monitor Fairall 9 from X-rays to ne…
View article: Intensive disc-reverberation mapping of Fairall 9: 1st year of Swift & LCO monitoring
Intensive disc-reverberation mapping of Fairall 9: 1st year of Swift & LCO monitoring Open
Swift and LCO light curves of the first year of monitoring of the nucleus of the Seyfert-1 galaxy Fairall 9. For details on data reduction, see https://ui.adsabs.harvard.edu/abs/2020MNRAS.498.5399H/abstract The file has 5 columns: …
View article: Intensive disc-reverberation mapping of Fairall 9: 1st year of Swift & LCO monitoring
Intensive disc-reverberation mapping of Fairall 9: 1st year of Swift & LCO monitoring Open
Swift and LCO light curves of the first year of monitoring of the nucleus of the Seyfert-1 galaxy Fairall 9. For details on data reduction, see https://ui.adsabs.harvard.edu/abs/2020MNRAS.498.5399H/abstract The file has 5 columns: …
View article: A CHIRP PULSE FOURIER TRANSFORM MICROWAVE SPECTROMETER WITH MULTI-ANTENNA DETECTION (MAD-CP-FTMW)
A CHIRP PULSE FOURIER TRANSFORM MICROWAVE SPECTROMETER WITH MULTI-ANTENNA DETECTION (MAD-CP-FTMW) Open
View article: Estimating Late 19th Century Hydrology in the Greater Everglades Ecosystem: An Integration of Paleoecologic Data and Models
Estimating Late 19th Century Hydrology in the Greater Everglades Ecosystem: An Integration of Paleoecologic Data and Models Open
Determining hydrologic conditions prior to instrumental records is a challenge for restoration of freshwater ecosystems worldwide. Paleoecologic data provide this information on past conditions and when these data are used to adjust hydrol…
View article: Short gamma-ray bursts within 200 Mpc
Short gamma-ray bursts within 200 Mpc Open
We present a systematic search for short-duration gamma-ray bursts (GRBs) in the local Universe based on 14 yr of observations with the Neil Gehrels Swift Observatory. We cross-correlate the GRB positions with the GLADE catalogue of nearby…
View article: Swift-XRT Follow-up of Gravitational-wave Triggers in the Second Advanced LIGO/Virgo Observing Run
Swift-XRT Follow-up of Gravitational-wave Triggers in the Second Advanced LIGO/Virgo Observing Run Open
The Neil Gehrels Swift Observatory carried out prompt searches for gravitational-wave (GW) events detected by the LIGO/Virgo Collaboration (LVC) during the second observing run (“O2”). Swift performed extensive tiling of eight LVC triggers…
View article: A study of gamma-ray burst afterglows as they first come into view of the SwiftUltraviolet and Optical Telescope
A study of gamma-ray burst afterglows as they first come into view of the SwiftUltraviolet and Optical Telescope Open
We examine the emission from optically bright gamma-ray burst (GRB) afterglows, as the Ultraviolet and Optical Telescope (UVOT) on the Neil Gehrels Swift Observatory first begins observing, following the slew to target the GRB, while the p…
View article: The First Ultraviolet Detection of the Large Magellanic Cloud Pulsar PSR B0540–69 and Its Multi-wavelength Properties
The First Ultraviolet Detection of the Large Magellanic Cloud Pulsar PSR B0540–69 and Its Multi-wavelength Properties Open
We observed the young (∼1700 yr) pulsar PSR B0540−69 in the ultraviolet for the first time with the Space Telescope Imaging Spectrograph on board the Hubble Space Telescope . Imaging observations with the NUV-MAMA and ultraviolet FUV-MAMA …
View article: Erratum: <i>Swift</i> follow-up of gravitational wave triggers: results from the first aLIGO run and optimisation for the future
Erratum: <i>Swift</i> follow-up of gravitational wave triggers: results from the first aLIGO run and optimisation for the future Open
This is a correction to:
\nMonthly Notices of the Royal Astronomical Society, Volume 462, Issue 2, 21 October 2016, Pages 1591–1602, https://doi.org/10.1093/mnras/stw1746 http://hdl.handle.net/2381/38720
View article: The first ultraviolet detection of the Large Magellanic Cloud pulsar PSR B0540-69
The first ultraviolet detection of the Large Magellanic Cloud pulsar PSR B0540-69 Open
We observed the young ($\sim 1700$ yrs) pulsar PSR B0540-69 in the near-ultraviolet (UV) for the first time with the Space Telescope Imaging Spectrograph (STIS) aboard the {\em Hubble Space Telescope}. Imaging observations with the NUV- an…
View article: A Multimessenger Picture of the Flaring Blazar TXS 0506+056: Implications for High-energy Neutrino Emission and Cosmic-Ray Acceleration
A Multimessenger Picture of the Flaring Blazar TXS 0506+056: Implications for High-energy Neutrino Emission and Cosmic-Ray Acceleration Open
Detection of the IceCube-170922A neutrino coincident with the flaring blazar TXS 0506+056, the first and only ∼3 σ high-energy neutrino source association to date, offers a potential breakthrough in our understanding of high-energy cosmic …
View article: STRUCTURE DETERMINATION OF 5 MEMBERED SILANE RINGS USING MICROWAVE SPECTROSCOPY
STRUCTURE DETERMINATION OF 5 MEMBERED SILANE RINGS USING MICROWAVE SPECTROSCOPY Open
The incomplete combustion of gasoline under fuel-rich conditions leads to soot formation, an unwanted pollutant and energetically wasteful product. While it is known that soot is composed of $\\pi$-stacked graphitic-like structures, the in…
View article: ATTEMPTS TO SOLVE O2-CONTAINING VAN DER WAALS INTERACTIONS USING SPFIT AND SPCAT WITH MICROWAVE MEASUREMENT PRECISION: PROBLEMS, PITFALLS, AND SUCCESSES.
ATTEMPTS TO SOLVE O2-CONTAINING VAN DER WAALS INTERACTIONS USING SPFIT AND SPCAT WITH MICROWAVE MEASUREMENT PRECISION: PROBLEMS, PITFALLS, AND SUCCESSES. Open
Ethanimine and cyanomethanimine are possible precursors of amino acids, and thus they are considered important prebiotic molecules that may play an important roles in the formation of biological building blocks in the interstellar medium. …
View article: CP-FTMW SPECTROSCOPY OF THE LOW ENERGY CONFORMERS OF TWO CHIRAL ALCOHOLS: MYRTENOL AND NOPOL
CP-FTMW SPECTROSCOPY OF THE LOW ENERGY CONFORMERS OF TWO CHIRAL ALCOHOLS: MYRTENOL AND NOPOL Open
The electronic structures of UN and UN$^{+}$ are of interest for the testing and development of relativistic quantum chemistry methods. The ground state UN was probed by Matthew and Morse$^{1}$, who found that the electronic configuration …
View article: Data for: $^{36}$ArH$^{37}$Cl, $^{38}$ArH$^{35}$Cl and $^{38}$ArH$^{37}$Cl in Natural Abundance using CP-FTMW Spectroscopy
Data for: $^{36}$ArH$^{37}$Cl, $^{38}$ArH$^{35}$Cl and $^{38}$ArH$^{37}$Cl in Natural Abundance using CP-FTMW Spectroscopy Open
All SPFIT/SPCAT input files and rm1L files used in STRFIT as reported in the manuscript.
View article: The rotational spectrum and complete heavy atom structure of the chiral molecule verbenone
The rotational spectrum and complete heavy atom structure of the chiral molecule verbenone Open