162,662 research outputs found
The IPHAS catalogue of H alpha emission-line sources in the northern Galactic plane
Get PDFWe present a catalogue of point-source H alpha emission-line objects selected from the INT/WFC Photometric Ha Survey (IPHAS) of the northern Galactic plane. The catalogue covers the magnitude range 13 <= r' <= 19.5 and includes Northern hemisphere sources in the Galactic latitude range -5 degrees < b < 5 degrees. It is derived from similar to 1500 deg(2) worth of imaging data, which represents 80 per cent of the final IPHAS survey area. The electronic version of the catalogue will be updated once the full survey data become available. In total, the present catalogue contains 4853 point sources that exhibit strong photometric evidence for Ha emission. We have so far analysed spectra for similar to 300 of these sources, confirming more than 95 per cent of them as genuine emission-line stars. A wide range of stellar populations are represented in the catalogue, including early-type emission-line stars, active late-type stars, interacting binaries, young stellar objects and compact nebulae.
The spatial distribution of catalogue objects shows overdensities near sites of recent or current star formation, as well as possible evidence for the warp of the Galactic plane. Photometrically, the incidence of Ha emission is bimodally distributed in (r' - i'). The blue peak is made up mostly of early-type emission-line stars, whereas the red peak may signal an increasing contribution from other objects, such as young/active low-mass stars. We have cross-matched our H alpha-excess catalogue against the emission-line star catalogue of Kohoutek & Wehmeyer, as well as against sources in SIMBAD. We find that fewer than 10 per cent of our sources can be matched to known objects of any type. Thus IPHAS is uncovering an order of magnitude more faint (r' > 13) emission-line objects than were previously known in the Milky Way
Interventions to achieve long-term weight loss in obese older people
Get PDFThis is a pre-copy-editing, author-produced PDF of an article accepted for publication in Age and Ageing following peer review. The definitive publisher-authenticated version Witham, M. & Avenell, A. (2010). 'Interventions to achieve long-term weight loss in obese older people.' Age and Ageing 39(2) pp. 176-184 is available online at: http://dx.doi.org/10.1093/ageing/afp251.Peer reviewe
Does oral sodium bicarbonate therapy improve function and quality of life in older patients with chronic kidney disease and low-grade acidosis (the BiCARB trial)? : Study protocol for a randomized controlled trial
Get PDFDate of acceptance: 01/07/2015 © 2015 Witham et al. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. Acknowledgements UK NIHR HTA grant 10/71/01. We acknowledge the financial support of NHS Research Scotland in conducting this trial.Peer reviewe
[Report to Chief J. E. Curry, by an unknown author #1]
No full textReport to Chief J. E. Curry, by an unknown author. The report contains a list of officers who gave depositions to the United States Attorney
[Report to Chief J. E. Curry, by an unknown author #2]
No full textReport to Chief J. E. Curry, by an unknown author. The report contains a list of officers who gave depositions to the United States Attorney
A Sword of the Viking Period from the River Witham
No full textA Little more than a century ago, in October 1848, an inscribed iron sword of the tenth century (pl. xxi a) was presented to the British Museum by J. Hayward, Esquire, of Beaumont Manor, Lincoln. The sword was stated to have been found during the widening of the river Witham opposite Monks Abbey, Lincoln.</jats:p
An Assemblage of Palaeolithic Hand-Axes from the Roman Religious Complex at Ivy Chimneys, Witham, Essex
No full textThis paper describes the context and nature of an assemblage of forty-four Palaeolithic hand-axes from a Roman religious site at Witham, Essex. The hand-axes are considered to have been derived from several sources, and it is suggested that the Romano-British occupants of the site deliberately selected them for their shape and placed them in the bottom of two large man-made depressions. In the light of stone axe finds on continental temple sites, and of classical Roman texts and traditions, the possibility arises that the Witham finds may have represented ‘thunderbolts’ in the worship of Jupiter or a local Celtic equivalent.</jats:p
Pulsed resources and the resource-prediction strategy: a field-test using a 36-year study of small mammals
No full textPulsed resource environments are known for their marked variations in resource availability over space and time. Animals living in such environments usually increase reproduction after resources become available. Some small mammal populations, however, may use environmental cues that precede large crops of seeds (e.g. pollen, flowers, unripe seeds) to ‘predict' mast-seeding events and reproduce in advance. In other words, these populations exhibit a resource-prediction strategy based on future fitness prospects. Habitat selection might play a key role in the resource-prediction strategy, but our understanding of habitat selection in pulsed resource environments is extremely limited. We used a 36-year dataset on small mammal trapping and seed availability collected in Maine (USA) to test if American red squirrels Tamiasciurus hudsonicus, eastern chipmunks Tamias striatus, white-footed mice Peromyscus leucopus and southern red-backed voles Myodes gapperi select habitats based on upcoming resources and examine the consequences to individual fitness. Small mammal trapping was conducted in summer before seeds were available, thus trapping occurred when only the cues of an upcoming mast event were available. Using home-range estimations and capture data, we performed resource selection analyses to assess if individuals select habitat to maximize future resource acquisitions. Using capture–mark–recapture models, we also estimated individual survival (a proxy for fitness). Our results do not support habitat selection as a mechanism underlying the resource-prediction hypothesis, indicating that individuals do not select habitats based on the upcoming seed availability. Nevertheless, we found that white-footed mice with home ranges in areas characterized by a greater quantity of white oak acorns have up to a 15% higher survival rate. Our empirical study advances the understanding of predator response to pulsed resources by not supporting a key mechanism thought to underpin the anticipatory responses that have been observed in many ecosystems worldwide
Murder on the mountain: author talk with Peter J. Wosh
No full textAuthor talk by Peter J. Wosh on May 5th, 2022, on his book, "Murder on the Mountain: crime, passion, and punishment in gilded age New Jersey.
Mr. Melvin J. Collier, RWWL AUC, June 2011
No full textThis video is a conversation with Mr. Melvin J. Collier. Mr. Collier talks about his book, "From Mississippi to Africa: A Journey of Discovery". Daniel Le, AUC Woodruff Library, is the interviewer
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