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1,615 results for “BLUE”
JWST spectrum of galaxy COSMOS-11142 from the Blue Jay survey.
<p>Spectroscopic and photometric data for galaxy COSMOS-11142, studied in Belli et al. (2024).</p> <ul> <li>The JWST/NIRSpec spectroscopy is stored as a FITS table which includes wavelength (in angstrom), calibrated flux, uncertainty, and best-fit model (in erg/(s cm2 A)).</li> <li>The JWST and HST photometry is stored as a FITS table which includes the name of each filter, the effective wavelength (in angstrom), the observed flux and its uncertainty (in microJy).</li> </ul>
FIG. 5 in At the bottom of the deep blue sea: a new wood-boring bivalve (Mollusca, Pholadidae, Xylophaga) from the Cape Verde Abyssal Plain (subtropical Atlantic)
FIG. 5. — Incurrent siphonal opening of Xylophaga alexisi n. sp., SEM. Note absence of cirri. Scale bar: 30 µm.
FIG. 4 in At the bottom of the deep blue sea: a new wood-boring bivalve (Mollusca, Pholadidae, Xylophaga) from the Cape Verde Abyssal Plain (subtropical Atlantic)
FIG. 4. — Excurrent siphonal opening of Xylophaga alexisi n. sp., SEM: A, lateral view; B, dorsal view. Scale bars: A, 10 µm; B, 100 µm.
FIG. 2. — A in At the bottom of the deep blue sea: a new wood-boring bivalve (Mollusca, Pholadidae, Xylophaga) from the Cape Verde Abyssal Plain (subtropical Atlantic)
FIG. 2. — A, lateral view of an intact specimen of Xylophaga alexisi n. sp.; B, dorsal view of intact, larger specimen of X. alexisi n. sp. (note anteriorly directed mesoplax); C, dorsal view of smaller specimen of X. alexisi n. sp., mesoplax in erect stage, not readily seen from dorsal view. Scale bars: 1 mm.
FIG. 1. — A in At the bottom of the deep blue sea: a new wood-boring bivalve (Mollusca, Pholadidae, Xylophaga) from the Cape Verde Abyssal Plain (subtropical Atlantic)
FIG. 1. — A, collection locality of Xylophaga alexisi n. sp. at 21°N, 30°W; R, collection locality of Xylophaga ricei Harvey, 1996 at 31°N, 20°W. (From Ryan et al. 2009, modified by Y. Lagabrielle.)
FIG. 6. — A, Xylophaga alexisi n in At the bottom of the deep blue sea: a new wood-boring bivalve (Mollusca, Pholadidae, Xylophaga) from the Cape Verde Abyssal Plain (subtropical Atlantic)
FIG. 6. — A, Xylophaga alexisi n. sp., lateral view to define "incomplete siphon" in which the excurrent siphon is considerably shorter than the incurrent siphon; B, Xylophaga pacifica Voight, 2009, lateral view to define "complete siphon", in which both siphonal openings are roughly equal in length. Scale bars: 1 mm.
Figure 5 in A new aetosaur (Archosauria: Pseudosuchia) from the upper Blue Mesa Member (Adamanian: Early-Mid Norian) of the Late Triassic Chinle Formation, northern Arizona, USA, and a review of the paratypothoracin Tecovasuchus across the southwestern USA
Figure 5. Revised regional occurrences of Tecovasuchus chatterjeei across the Chinle Formation and Dockum Group of the southwestern United States (modified from Martz 2008 and Heckert et al. 2007). Abbreviations: AZ=Arizona, NM=New Mexico, TX=Texas.
Figure 1 in A new aetosaur (Archosauria: Pseudosuchia) from the upper Blue Mesa Member (Adamanian: Early-Mid Norian) of the Late Triassic Chinle Formation, northern Arizona, USA, and a review of the paratypothoracin Tecovasuchus across the southwestern USA
Figure 1. Stratigraphic position in the Chinle Formation (A) of PFV 456 and the Placerias and Downs Quarries in Arizona (modified from Reyes et al. 2020 and Kligman et al. 2023), and their geographic occurrence (B). U-Pb ages based on Ramezani et al. (2014) and Rasmussen et al. (2020). Abbreviations: AZ=Arizona; PEFO=Petrified Forest National Park; Tr.=Triassic.
Figure 3. A in A new aetosaur (Archosauria: Pseudosuchia) from the upper Blue Mesa Member (Adamanian: Early-Mid Norian) of the Late Triassic Chinle Formation, northern Arizona, USA, and a review of the paratypothoracin Tecovasuchus across the southwestern USA
Figure 3. A. Holotype paramedian osteoderm of Kryphioparma caerula gen. et sp. nov. in comparison to that of other stagonolepidoid taxa documented within the Placerias Quarry and PFV 456, UCMP 165173. B. Desmatosuchus, PEFO 49568. C. Calypotosuchus wellesi, PEFO 46222. Orientation: All in dorsal view. Abbreviations: Ant.=Anterior, Ant. bar=Anterior bar, Ant. lam.=Anterior lamina, Dors. em.=Dorsal eminence. Small, unlabeled arrows indicate lateral direction.
Figure 3 in First record of Blue Admiral Kaniska canace (Linnaeus, 1763) (Lepidoptera: Nymphalidae) from the state of Rajasthan, India
Figure 3. Kaniska canace canace Linnaeus (underwing view) on a domestic dog fecal matter at Thanagazi Town (Rajasthan). / Kaniska canace canace Linnaeus (vista inferior) sobre material fecal de un perro doméstico en la ciudad de Thanagazi (Rajastán, India).
Figure 2 in First record of Blue Admiral Kaniska canace (Linnaeus, 1763) (Lepidoptera: Nymphalidae) from the state of Rajasthan, India
Figure 2. Kaniska canace canace Linnaeus (upperwing view) on a domestic dog fecal matter at Thanagazi Town (Rajasthan). / Kaniska canace canace Linnaeus (vista superior) sobre materia fecal de un perro doméstico en la ciudad de Thanagazi (Rajastán, India).
Figure 1 in First record of Blue Admiral Kaniska canace (Linnaeus, 1763) (Lepidoptera: Nymphalidae) from the state of Rajasthan, India
Figure 1. Location where Kaniska canace was observed in Rajasthan (Thanagazi Town). The red dots are the locations of K. c. canace derived from various online sources (Kunte et al. 2021; iNaturalist 2021) and published article (Singh et al. 2016); the yellow dot indicates the first record of K. c. canace from the state of Rajasthan, India). / Lugar de observación Kaniska canace en Rajasthan (ciudad de Thanagazi). Los puntos rojos son las ubicaciones de K. c. canace derivado de varias fuentes en línea (Kunte et al. 2021; iNaturalist 2021) y artículo publicado (Singh et al. 2016); el punto amarillo indica el primer registro de K. c. canace del estado de Rajastán, India.
Historical baleen plates indicate that once abundant Antarctic blue and fin whales demonstrated distinct migratory and foraging strategies
<p>Southern hemisphere blue (<em>Balaenoptera musculus intermedia</em>) and fin (<em>Balaenoptera physalus</em>) whales are the largest predators in the Southern Ocean, with similarities in morphology and distribution. Yet, understanding of their life history and foraging is limited due to current low abundances and limited ecological data. To address these gaps, historic Antarctic blue (n = 5) and fin (n = 5) whale baleen plates, collected in 1947–1948 and recently rediscovered in the Smithsonian National Museum of Natural History, were analyzed for bulk (δ<sup>13</sup>C and δ<sup>15</sup>N) stable isotopes. Regular oscillations in isotopic ratios, interpreted as annual cycles, revealed that baleen plates contain approximately six years (14.35 ± 1.20 cm yr<sup>–1</sup>) of life history data in blue whales and four years (16.52 ± 1.86 cm yr<sup>–1</sup>) in fin whales. Isotopic results suggest that: 1) in the 1940s, blue and fin whales fed at the same trophic level but in slightly different habitats, 2) fin whales appear to have had more regular annual migrations, and 3) fin whales may have migrated to ecologically distinct sub-Antarctic waters annually while some blue whales may have resided year-round in the Southern Ocean. These results reveal differences in ecological niche and life history strategies between Antarctic blue and fin whales during a period when their populations were more abundant than today, and before major human-driven climatic changes occurred in the Southern Ocean.</p>
Dataset: The blue halite in Morsleben, Germany: a natural lyoluminescence dosimeter?
<p>This repository provides the complete dataset and supplementary files used in our luminescence study, submitted to the <em>Journal of Luminescence</em>. Included materials support reproducibility and allow for further exploration of lyoluminescence properties of salts from the <span>Morsleben repository managed by the Bundesgesellschaft für Endlagerung (BGE)</span>.</p> <p><span>The work done at the IFJ PAN was supported by the National Science Centre, Poland (grant No 2021/43/D/ST5/03042).</span></p>
Dependence of MeV TOF SIMS secondary molecular ion yield from phthalocyanine blue on primary ion stopping power
<p>Time-of-flight Secondary Ion Mass Spectrometry (TOF SIMS) is a well-established mass spectrometry technique used for the chemical analysis of both organic and inorganic materials. In the last ten years, many advances have been made to improve the yield of secondary molecular ions, especially those desorbed from the surfaces of organic samples. For that, cluster ion beams with keV energies for the excitation were mostly used. Alternatively, single-ion beams with MeV energies can be applied, as done in the present work. It is well known that secondary molecular/ion yield depends strongly on the primary ion stopping power, but the nature of this dependence is not completely clear. Therefore, in the present work secondary ion yield from the phthalocyanine blue (C<sub>32</sub>H<sub>16</sub>CuN<sub>8</sub>, organic pigment) was measured for the various combinations of ion masses, energies and charge states. Measured values were compared with the existing models for ion sputtering. An increase of the secondary yield with the primary ion energy, electronic stopping, velocity and charge state was found for different types of primary ions. Although this general behavior is valid for all primary ions, there is no single parameter that can describe the measured results for all primary ions at once. </p> <p>- measured (calibrated) spectra are uploaded </p> <p> </p> <p> </p>
Data for: Sexual dichromatism may not be a good index of sexual or natural selection in the blue cardinalids (Aves: Passeriformes).
<p>More than a century ago, Darwin and Wallace started a still ongoing debate over which are the predominant forces driving sexual dichromatism (i.e., differences in body coloration between males and females): is it sexual selection on males to become more attractive, or is it natural selection on females to become more cryptic? While these are not mutually exclusive, the degree of sexual dichromatism has been extensively used as a proxy of the intensity of one type of selection (sexual) on one of the sexes (males). Here, we evaluated the relationship between sexual dichromatism and two body-color features that can be under natural and/or sexual selection in each sex: conspicuousness against the background and colorfulness (which we defined as the variety of colors and mechanisms to produce them within an individual's plumage). We focused on the 'blue clade' of the Cardinalidae bird family and considered the properties of their own visual system and those of potential raptor predators. We found that all blue cardinalids are sexually dichromatic, but levels of dichromatism vary within the clade. Males are on average more colorful than females, but neither male nor female colorfulness correlates with sexual dichromatism. Males are not more conspicuous than females against a vegetated background but are significantly more conspicuous against a nesting background than females. Yet, we found no correlation between conspicuousness and degree of sexual dichromatism. Our results suggest that, while both natural and sexual selection can drive color differences between the sexes, levels of sexual dichromatism do not necessarily reflect intensity of selection forces in this clade. Our results highlight the importance of testing assumptions regarding the relationship between sexual dichromatism and color evolution in each sex, considering the properties of different visual systems, relevant to the ecology of the study model.</p>
Raw survey data for the EU H2020 Blue Growth Farm project
<p>Raw survey data for four surveys completed in two locations (Isle of Islay - Scotland, and Reggio Calabria - Italy), two years apart (2019 and 2021) for the EU H2020 Blue Growth Farm project. </p> <p>The main questions were designed to collect opinions on each of the component parts of an Multifunctional Offshore Installation (Offshore Wind Energy and Fish Farming), before asking about opinions on the integrated platform and its location, with the aim to understand the local context for Social License to Operate. </p>
Datasets to Poly(ethylene oxide)-based Electrolytes for Solid-State Potassium Metal Batteries with Prussian Blue Positive Electrode
<p>This dataset provides the raw data to the manuscript</p> <p>"<strong>Poly(ethylene oxide)-based Electrolytes for Solid-State Potassium Metal Batteries with Prussian Blue Positive Electrode"</strong></p> <p>published in ACS Appl. Polym. Mater. (DOI: <a href="https://doi.org/10.1021/acsapm.2c00014">10.1021/acsapm.2c00014</a> ) / <a href="https://doi.org/10.1021/acsapm.2c00014">https://doi.org/10.1021/acsapm.2c00014</a></p> <p>Specifically, the following measurements are provided:</p> <p>Electrochemical cell tests of liquid and solid electrolytes ("CYCLING_" & Ratecapability test)</p> <p>Solid electrolyte characterization:</p> <p>Differential Scanning Calorimetry ("DSC_")</p> <p>Electrochemical Impedance Spectroscopy ("EIS_")</p> <p>Rheological measurements ("RHEO_")</p> <p>X-ray diffraction data ("XRD_")</p>
Data for: A hypothesis for robust polarization vision: An example from the Australian Imperial Blue butterfly, Jalmenus evagoras
<p class="MsoNormal"><span>The Australian lycaenid butterfly, <em>Jalmenus evagoras</em>, has iridescent wings that are sexually dimorphic in both spectral reflection and degree of polarization, </span><span>suggesting</span><span> </span><span>that these wing properties are likely to be important in mate recognition. We first describe the results of a field experiment </span><span>showing<span> that free-flying individuals of <em>J. evagoras </em>discriminate between visual stimuli that vary in polarization content in blue wavelengths but not in others. We then present detailed reflectance spe</span>ctrophotometry</span><span> </span><span>measurements <span>of the polarization content of male and female wings, showing that female wings exhibit blue-shifted reflectance,</span> with</span><span> </span><span>a lower degree of polarization relative to male wings. </span><span>Finally, we describe a novel method for measuring alignment of ommatidial arrays:<span> </span>By measuring variation of depolarized eyeshine intensity from </span><span>patches of</span><span> ommatidia as a function of eye rotation, we show that </span><span>a) </span><span>individual </span><span>rhabdoms</span><span> contain mutually perpendicular microvilli</span><span>; b) many rhabdoms in the array</span><span> are rotated with respect to one another by as much as 45º</span><span>; c) the rotated ommatidia are useful for robust polarization detection. </span><span>By mapping the distribution of the ommatidial </span><span>rotations</span><span> in eye </span><span>patches</span><span> of <em>J. evagoras</em>, we show that males and females exhibit differences in the extent to which </span><span>ommatidia</span><span> are aligned</span><span>. Both</span><span> the </span><span>number</span><span> of </span><span>rotated </span><span>ommatidia suitable for </span><span>robust </span><span>polarization-detection</span><span>, and the number of aligned ommatidia suitable for</span><span> edge-detection</span><span>,</span><span> var</span><span>y</span><span> with respect to both sex and eye</span><span>-</span><span>patch elevation. </span><span>Thus, <em>J. evagoras </em>exhibits finely-tuned ommatidial arrays suitable for perception of polarized signals, likely to match sex-specific life history differences in the utility of polarized signals.</span></p>
FABIAN: a daily product of Fractional Austral-summer Blue Ice over ANtarctica during 2000-2021 based on MODIS imagery using Google Earth Engine
<p>This is a supplementary data set for FABIAN: a daily product of Fractional Austral-summer Blue Ice over ANtarctica during<br> 2000{2021 based on MODIS imagery using Google Earth Engine</p> <p>The files include:</p> <p>(1) Snow spectra modelled by TARTES, a two-stream radiative transfer model for light in snow (Libois et al., 2013).</p> <p>(2) Spectra extracted from MODIS, using AUTO-EM.</p> <p>(3) Endmember selection results, including ESS, EMC, and AMUSES.</p> <p>The other hyperspectral data from field measurements can be acquired by contact the original authors.</p> <p>Libois, Q., Picard, G., France, J., Arnaud, L., Dumont, M., Carmagnola, C., King, M., 2013. Influence of grain shape on light penetration in snow. The Cryosphere 7, 1803-1818.</p>
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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