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993 results for “T Dwarfs”
Fig. 5 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 5. Lateral view of Tropidophis cauangoae sp. nov., ♀, paratype (DHMECN 15893). Scale bar = 10 mm.
Fig. 2 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 2. Phylogenetic relationships of amerophid snakes, based on nuclear data. A. Maximum likelihood topology (lnL = -2175.559394), based on neurotrophin-3 gene fragments, scale bar of substitution rates, bars indicate Amerophidia clade, Poisson Tree Process (PTP) and Bayesian Poisson Tree Process (bPTP) coalescent-based species delimitation analyses. B. Uncorrected p-distances. C. Patristic distances as inferred for maximum likelihood tree.
Starspot mapping with adaptive parallel tempering. II. Application to TESS data for M-dwarf flare stars, AU Microscopii, YZ Canis Minoris, and EV Lacertae (Flare Tables)
<p>For TESS PDC-SAP data of AU Mic (Sector 1 and 27), YZ CMi (Sector 7 and 34), and EV Lac (Sector 16), detected flare properties are listed: the peak time (BJD-2745000), amplitude, equivalent duration (sec), and e-folding time (day).</p>
Lithium Pollution of White Dwarfs and Other Secrets of MORDOR (CSV File of MORDOR Survey Objects)
<p>CSV file containing the Gaia DR2 data for the MORDOR Survey from Benjamin C. Kaiser's Ph.D. Dissertation. It also contains the spectral types and SED types that were identified.</p> <p>If you use this data please cite my dissertation, which should be accessible via the UNC Chapel Hill Library in some way. You should probably also cite Gaia DR2 if you use anything other than my spectral types pretty much because all the rest of the data is from Gaia DR2.</p>
Gravity modes on rapidly rotating accreting white dwarfs and their variation after dwarf novae
<p>MESA (r10398) inlist files and Gyre (5.2) files used in preparation of the paper "Gravity modes on rapidly rotating accreting white dwarfs and their variation after dwarf novae". More details for specific files are given in README.txt. </p>
Distribution, population density and behavior of dwarf galagos (Paragalago sp.) in Taita Hills, Kenya
<p>We studied habitat preferences and behavior of dwarf galagos (<em>Paragalago </em>sp.), recently rediscovered from the Taita Hills, Kenya. Small populations of Taita dwarf galagos survive in the two largest remnants of moist montane forest. Inspection of several smaller forest fragments failed to provide evidence of additional survivors. Acoustic data on the two remaining populations were obtained with AudioMoths, and analyzed in relation to forest structure data obtained by airborne lidar and by ground-level observations. A Zero-inflated negative binomial GLMM was implemented with calls per hour as the response variable and indicator of relative population density. Our results demonstrate that Taita dwarf galagos prefer dense canopy coverage and avoid forest edges. Regarding forest height, they prefer lower 20–30 m tall forest. Forest size also significantly affects Taita dwarf galago population size. Mbololo forest (185 ha) has a relatively viable population, whereas in Ngangao forest (120 ha) dwarf galagos are nearly extinct. The calls of Taita dwarf galagos resemble calls of Kenya coast dwarf galagos (<em>Paragalago cocos</em>). However, some differences exist between the Taita animals and those recently recorded by us at the Kenyan coast, and even between the two remaining populations in the Taita Hills. In addition to other data, we present the first ever photographs of the Taita dwarf galagos from the Mbololo forest and compare them to those from Ngangao forest and the Kenya coast from Diani and Shimba Hills. We conclude that DNA studies are urgently needed to resolve the taxonomic status of both surviving populations of dwarf galagos in the Taita Hills.</p>
The GALEX-Gaia-EDR3 Catalogue of Single and Binary White Dwarfs
<p>We present a catalogue of white dwarf candidates constructed from the GALEX and Gaia EDR3 catalogues.<br> The catalogue contains 332,111 candidate binary white dwarf systems and 111,996 candidate single white dwarfs. Where available, the catalogue is augmented with photometry from Pan-STARRS DR1, SDSS DR12 and classifications from StarHorse. We fit photometric data with modeled white dwarf cooling sequences to derive mass, age and effective temperature of the white dwarf as well as mass estimates for the companion. We test our classifications against StarHorse, the Gentile-Fusillo Gaia EDR3 catalogue, and white-dwarf-main-sequence binaries identified in SDSS DR12. This catalogue provides a unique probe of the binarity of white dwarfs as well as the abundance of white-dwarf giant binaries and large mass-ratio stellar binaries which are difficult to probe otherwise.</p>
Faint calcium-rich transient from a double-detonation of a 0.6 M⊙ carbon-oxygen white dwarf star: Complimentary material
<p>Complimentary material to the manuscript.<br> The videos show the hydrodynamical evolution of the merger leading to the double-detonation.</p> <p>The movie "overdensity_formation.mp4" shows slices through the orbital plane color coded with the density (left) and the temperature (right), displaying frame by frame the formation of a cold, overdense fluid parcel after the disruption of the HeWD. <br> <br> The remaining movies show the overall evolution of different quantities with slices through the orbital plane on the left and perpendicular to the orbital plane on the right.</p>
Figure 6 in Description of three new species of dwarf Glossogobius from New Guinea and northern Australia
Figure 6. – Live individuals of Glossogobius gnomus. A: Etna Bay, Photo G. Allen; B: Aru Islands, Photo R. Hadiaty.
Figure 3 in Description of three new species of dwarf Glossogobius from New Guinea and northern Australia
Figure 3. – Diagrammatic sketch of mental fraenum. A: Rounded fraenum; B: Truncate fraenum; C: Broad fraenum with short lateral lobes. Scale bar = 5 mm.
Data from: Female-biased population sex ratios caused by genetic rather than ecological mechanisms in dwarf willow (Salix herbacea L.)
Open the record for dataset details and reuse information.
Data from: Social and seasonal variation in dwarf mongoose home-range size, daily movements and burrow use
Open the record for dataset details and reuse information.
Data from: Applied phenomics and genomics for improving barley yellow dwarf resistance in winter wheat
Open the record for dataset details and reuse information.
Data from: Diversity and composition of viral communities: coinfection of barley and cereal yellow dwarf viruses in California grasslands 2000 - 2005
Most species host multiple pathogens, yet field studies rarely examine the processes determining pathogen diversity within a single host or the effects of coinfection on pathogen dynamics in natural systems. Coinfection can affect pathogen transmission and virulence. In turn, coinfection can be regulated within hosts by interactions such as cross-protective immunity or at broader spatial scales via vector distributions. Using a general model, we demonstrate that coinfection by a group of vectored pathogens is highest with abundant generalist vectors and weak cross-protection and coinfection- induced mortality. Using these predictions, we investigate the distribution of five coexisting aphid-vectored, viral pathogens (barley and cereal yellow dwarf luteoviruses and poleroviruses) in a native perennial grass (Elymus glaucus) in both space (700 km) and time (4 years). Observed coinfection rates were much higher than expected at random, suggesting that within-host processes exerted weak effects on within-host pathogen diversity. Covariance among viruses in space and time was highest for viral species sharing a vector. Temporal correlation arose from the synchronous invasion of two viruses transmitted by a shared aphid species. On the basis of our modeling and empirical results, we expect that factors external to individual hosts may affect the coinfection dynamics in other communities hosting vectored pathogens.
Stellar Density Profiles of Dwarf Spheroidal Galaxies - Posterior Distributions
<p>This archive contains samples from the posterior distributions of our 3-plummer, 1-plummer, 3-steeper and 1-steeper fits for 40 dwarf spheroidal galaxies as described in "Stellar Density Profiles of Dwarf Spheroidal Galaxies" (<a href="https://arxiv.org/abs/1910.10134">https://arxiv.org/abs/1910.10134</a>)</p>
Convergence test: Double white dwarf merger (Octo-Tiger)
<p>Configuration files to reproduce the simulation for the convergence test.</p> <p> </p> <p>To generate the input files run:</p> <pre><code class="language-bash">octotiger --config_file=rcb_init.init --silo_num_groups=n</code></pre> <p> </p> <p>Octo-Tiger (b4c51431) and following dependencies were used</p> <ul> <li>HPX (1.4.0),</li> <li>hwloc (1.11.1),</li> <li>silo (4.10.2),</li> <li>jemalloc (5.1.0),</li> <li>hdf5 (1.8.12),</li> <li>cray-mpich/MVAPICH2 (7.7.10/2.3.2),</li> <li>gcc (8.3.0),</li> <li>APEX (8ba5090),</li> <li>and Papi (5.7.0)</li> </ul> <p>The Octo-Tiger source code is available on <a href="http://github.com/STEllAR-GROUP/octotiger">Github.</a></p> <p>To run the simulation run:</p> <pre><code class="language-bash">octotiger --config_file=rcb.ini --silo_num_groups=n</code></pre> <p> </p> <p>where n is the number of nodes.</p> <p> </p> <p> </p>
Dataset accompanying: Echolocation click parameters and biosonar behaviour of the dwarf sperm whale (Kogia sima)
<p>This dataset accompanies the manuscript "Echolocation click parameters and biosonar behaviour of the dwarf sperm whale (<em>Kogia sima</em>)." All source parameters of on-axis clicks are available in MATLAB files, for both the deep water (n=46) and shallow harbour (n=870) datasets. The deep water dataset was collected using a 7-channel vertical hydrophone array in the Bahamas, and the shallow harbour dataset was collected using a single-channel recorder in South Africa. Metadeta explaining the variables are found within the MATLAB files under 'Comments'. Details on data collection, curation and analysis can be found in the Malinka et al., Kogia publication (https://jeb.biologists.org/content/224/6/jeb240689).</p> <p>For comments/questions, please contact chloe.e.malinka [at] bio.au.dk</p>
The complete mitochondrial genome of dwarf form of Sthenoteuthis oualaniensis (Cephalopoda: Ommastrephidae) from the South China Sea
<p>The purpleback flying squid (<em>Sthenoteuthis oualaniensis</em>) is a pelagic squid with tremendous potential for commercial exploitation. <em>Sthenoteuthis oualaniensis</em> comprises two forms in the South China Sea, dwarf form and medium-sized form. In this study, we described the complete mitochondrial genome of dwarf form of <em>Sthenoteuthis oualaniensis.</em> The genome is 20320 bp in length, encoding the standard set of 13 protein-coding genes, 20 tRNA genes and 2 rRNA genes, with circular organization. The overall base composition of the whole mitochondrial genome was A (37.23%), T (32.78%), G (10.53%) and C (19.46%) with an AT bias of 70.01%. The longest protein-coding genes of these species was <em>ND5</em>, whereas the shortest <em>ATP8</em>.</p>
Data from: Does warming by open-top chambers induce change in the root-associated fungal community of the arctic dwarf shrub Cassiope tetragona (Ericaceae)?
Climate change may alter mycorrhizal communities, which impact ecosystem characteristics such as carbon sequestration processes. These impacts occur at a greater magnitude in Arctic ecosystems, where the climate is warming faster than in lower latitudes. Cassiope tetragona (L.) D. Don is an Arctic plant species in the Ericaceae family with a circumpolar range. C. tetragona has been reported to form ericoid mycorrhizal (ErM) as well as ectomycorrhizal (ECM) symbioses. In this study, the fungal taxa present within roots of C. tetragona plants collected from Svalbard were investigated using DNA metabarcoding. In light of ongoing climate change in the Arctic, the effects of artificial warming by open-top chambers (OTCs) on the fungal root community of C. tetragona were evaluated. We detected only a weak effect of warming by OTCs on the root-associated fungal communities that was masked by the spatial variation between sampling sites. The root fungal community of C. tetragona was dominated by fungal groups in the Basidiomycota traditionally classified as either saprotrophic or ECM symbionts, including the orders Sebacinales and Agaricales and the genera Clavaria, Cortinarius, and Mycena. Only a minor proportion of the operational taxonomic units (OTUs) could be annotated as ErM-forming fungi. This indicates that C. tetragona may be forming mycorrhizal symbioses with typically ECM-forming fungi, although no characteristic ECM root tips were observed. Previous studies have indicated that some saprophytic fungi may also be involved in biotrophic associations, but whether the saprotrophic fungi in the roots of C. tetragona are involved in biotrophic associations remains unclear. The need for more experimental and microscopy-based studies to reveal the nature of the fungal associations in C. tetragona roots is emphasized.
Dwarf Tapir, juvenile articulated skeleton
Dwarf Tapir (*Tapirus polkensis*), juvenile, from the Pliocene Gray Fossil Site. Excavated and prepared as an articulated skeleton. ETMNH 32510. Source: Objaverse 1.0 / Sketchfab
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.