Reply to B. P. L. Wijnhoven et al and F. Nuytens et al

Meyers, Michael O.

doi:10.1200/jco.20.02390

Cited by 20 publications

(25 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…where n p is the number of sampled polarisations (2 for MWA), t int is the integration time, which we set to 1 ms, ∆ν is the bandwidth (30.72 MHz for MWA), and SEFD is the system equivalent flux density, which we assume to be ∼ 3300 Jy (estimated using MWA VCS observations of PSR J1107-5907; Meyers et al 2018, note this value is highly direction dependent). This results in a 3σ detection threshold of 40 Jy at 154 MHz.…”

Section: Mwamentioning

confidence: 99%

Constraining coherent low-frequency radio flares from compact binary mergers

Rowlinson

Anderson

2019

Monthly Notices of the Royal Astronomical Society

104

View full text Add to dashboard Cite

The presence and detectability of coherent radio emission from compact binary mergers (containing at least one neutron star) remains poorly constrained due to large uncertainties in the models. These compact binary mergers may initially be detected by a Short Gamma-ray Burst (SGRB) or via their gravitational wave emission. Several radio facilities have developed rapid response modes enabling them to trigger on these events and search for this emission. This paper uses the current deepest constraints on this emission, for GRB 150424A from the Murchison Widefield Array. Following on from this, we consider a magnetar remnant formed via a general population of neutron star mergers to demonstrate that all the different potential emission mechanisms can be observed or very tightly constrained by the complimentary strategies used by the current generation of radio telescopes.

show abstract

Section: Mwamentioning

confidence: 99%

Constraining coherent low-frequency radio flares from compact binary mergers

Rowlinson

Anderson

2019

Monthly Notices of the Royal Astronomical Society

104

View full text Add to dashboard Cite

show abstract

“…The greatest moduli reported in literature range from 9 GPa up to 60 GPa [19,20] for montmorillonite clay and polymeric matrix interlayer composite. These moduli are less than that of natural seashell (~ 70 GPa) [21].…”

Section: Resultsmentioning

confidence: 67%

Bioinspired synthesis of thermally stable and mechanically strong nanocomposite coatings

Fan

McCoy

et al. 2022

MRS Advances

View full text Add to dashboard Cite

An innovative biomimetic method has been developed to synthesize layered nanocomposite coatings using silica and sugar-derived carbon to mimic the formation of a natural seashell structure. The layered nanocomposites are fabricated through alternate coatings of condensed silica and sugar. Sugar-derived carbon is a cost-effective material as well as environmentally friendly. Pyrolysis of sugar will form polycyclic aromatic carbon sheets, i.e., carbon black. The resulting final nanocomposite coatings can survive temperatures of more than 1150 °C and potentially up to 1650 °C. These coatings have strong mechanical properties, with hardness of more than 11 GPa and elastic modulus of 120 GPa, which are 80% greater than those of pure silica. The layered coatings have many applications, such as shielding in the form of mechanical barriers, body armor, and space debris shields. Graphical abstract

show abstract

“…Kerr et al, 2014). The recent detection of low-frequency emission from the intermittent pulsar J1107−5907 (Meyers et al, 2018) provides an excellent demonstration of the MWA's unique advantage for conducting such coordinated broadband observations. As it is, broadband simultaneous observations involving multiple telescopes ostensibly provide valuable insights into the pulsar emission mechanism (e.g.…”

Section: Sporadic and Intermittent Emissionmentioning

confidence: 98%

“…This capability has been exploited for a variety of pulsar science applications such as investigating pulsar emission physics and studies of millisecond pulsars (e.g. Bhat et al, 2016;McSweeney et al, 2017;Meyers et al, 2017;Bhat et al, 2018;Meyers et al, 2018). A new feature has enabled buffering voltage data up to 150 s, which can be recorded after receiving a trigger (subsection 2.3).…”

Section: Voltage Capture Buffermentioning

confidence: 99%

“…giant pulses), or switching emission states (e.g. Kramer et al, 2006a;Lorimer et al, 2012;Young et al, 2014;Meyers et al, 2017Meyers et al, , 2018Meyers et al, , 2019. Such emission occurs on time scales of seconds to months, and the pulsars which exhibit such types of emission pose a major challenge to our understanding of the underlying physics that govern the radio emission mechanism.…”

Section: Sporadic and Intermittent Emissionmentioning

confidence: 99%

See 1 more Smart Citation

Science with the Murchison Widefield Array: Phase I results and Phase II opportunities

Beardsley

Johnston‐Hollitt

Trott

et al. 2019

Publ. Astron. Soc. Aust.

View full text Add to dashboard Cite

The Murchison Widefield Array (MWA) is an open access telescope dedicated to studying the low frequency (80-300 MHz) southern sky. Since beginning operations in mid 2013, the MWA has opened a new observational window in the southern hemisphere enabling many science areas. The driving science objectives of the original design were to observe 21 cm radiation from the Epoch of Reionisation (EoR), explore the radio time domain, perform Galactic and extragalactic surveys, and monitor solar, heliospheric, and ionospheric phenomena. All together 60+ programs recorded 20,000 hours producing 146 papers to date. In 2016 the telescope underwent a major upgrade resulting in alternating compact and extended configurations. Other upgrades, including digital back-ends and a rapid-response triggering system, have been developed since the original array was commissioned. In this paper we review the major results from the prior operation of the MWA, and then discuss the new science paths enabled by the improved capabilities. We group these science opportunities by the four original science themes, but also include ideas for directions outside these categories.

show abstract

Reply to B. P. L. Wijnhoven et al and F. Nuytens et al

Cited by 20 publications

References 7 publications

Constraining coherent low-frequency radio flares from compact binary mergers

Constraining coherent low-frequency radio flares from compact binary mergers

Bioinspired synthesis of thermally stable and mechanically strong nanocomposite coatings

Science with the Murchison Widefield Array: Phase I results and Phase II opportunities

Contact Info

Product

Resources

About