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48 results for “M Dwarfs”
Supplmental Material to Nature of Intense Magnetism and Differential Rotation In Convective Dynamos of M-Dwarf Stars With Tachoclines
<p>Inlists and source files used for the MESA model in the paper "Nature of Intense Magnetism and Differential Rotation In Convective Dynamos of M-Dwarf Stars With Tachoclines"</p> <p>This work employed MESA version 10398.</p>
Dataset for "The Orbital Eccentricity Distribution of Planets Orbiting M dwarfs"
<p>Dataset for the submitted manuscript "The Orbital Eccentricity Distribution of Planets Orbiting M dwarfs" (Sagear & Ballard)</p>
Rayleigh Inlists and Checkpoints for Effects of Full Sphere Convection On M-Dwarf Dynamo Action, Flux Emergence, and Spin-Down
<p>Input files, checkpoints, and summary data for the three primary Rayleigh global convection simulations highlighted in Bice & Toomre 2023b, <em>Effects of Full Sphere Convection On M-Dwarf Dynamo Action, Flux Emergence, and Spin-Down</em>. </p>
A Venus in the Making? Predictions for JWST Observations of the Ultracool M-Dwarf Planet LP 890-9 c
<p>This repository contains the pressure-temperature profiles and volume mixing ratio profiles used in a paper accepted in MNRAS Letters under the same name.</p>
Supplementary material 4 from: Monjaraz-Ruedas R, Mendez RW, Hedin M (2023) Species delimitation, biogeography, and natural history of dwarf funnel web spiders (Mygalomorphae, Hexurellidae, Hexurella) from the United States / Mexico borderlands. ZooKeys 1167: 109-157. https://doi.org/10.3897/zookeys.1167.103463
Ingroup + outgroup UCE concatenated ML tree. Specimen numbers correspond to those in Suppl. material 1.
Figure 7 from: Scherz MD, Köhler J, Rakotoarison A, Glaw F, Vences M (2019) A new dwarf chameleon, genus Brookesia, from the Marojejy massif in northern Madagascar. Zoosystematics and Evolution 95(1): 95-106. https://doi.org/10.3897/zse.95.32818
Figure 7 Different views of the holotype of Brookesiatedi sp. n. (ZSM 438/2016; field number ZCMV 15262) in life.
Figure 4 from: Scherz MD, Köhler J, Rakotoarison A, Glaw F, Vences M (2019) A new dwarf chameleon, genus Brookesia, from the Marojejy massif in northern Madagascar. Zoosystematics and Evolution 95(1): 95-106. https://doi.org/10.3897/zse.95.32818
Figure 4 Brookesiapeyrierasi in life A–D Specimens from the type locality Nosy Mangabe (specimen numbers unknown). E, F Specimen from Ambodivoangy, ZSM 447/2010 (FGZC 4286) G, H Specimens from Masoala (G, ZSM 252/2016 [FGZC 5429], H, specimen number unknown, species identity not confirmed genetically).
Figure 1 from: Scherz MD, Köhler J, Rakotoarison A, Glaw F, Vences M (2019) A new dwarf chameleon, genus Brookesia, from the Marojejy massif in northern Madagascar. Zoosystematics and Evolution 95(1): 95-106. https://doi.org/10.3897/zse.95.32818
Figure 1 Molecular phylogenetic trees of species in the Brookesiaminima group, based on sequences of the mitochondrial 16S (480 bp) and ND2 (574 bp) genes, inferred under the Maximum Likelihood optimality criterion, and the GTR+G (16S) and HKY+I+G (ND2) substitution models. Values at nodes are support values from a bootstrap analysis in percent (500 replicates) and are shown only if >50%. The two gene fragments were analysed separately and not concatenated because partly different samples were available for each of them. The trees were rooted with Brookesiabrygooi (removed for better graphical representation).
Figure 3 from: Scherz MD, Köhler J, Rakotoarison A, Glaw F, Vences M (2019) A new dwarf chameleon, genus Brookesia, from the Marojejy massif in northern Madagascar. Zoosystematics and Evolution 95(1): 95-106. https://doi.org/10.3897/zse.95.32818
Figure 3 Map of northern Madagascar showing the localities of species of the Brookesiaminima group in this region, only representing records verified by molecular data (except the B.peyrierasi record from Masoala and the B.minima record from Nosy Be). Note that B.dentata, B.exarmata, and B.ramanantsoai occur further south and are not included in the map. Red (dry forest) and green (rainforest) show remaining primary vegetation in 2003–2006, modified from the Madagascar Vegetation Mapping Project (http://www.vegmad.org); see the project for a key to the other colours and the vegetation types they indicate.
Figure 2 from: Scherz MD, Köhler J, Rakotoarison A, Glaw F, Vences M (2019) A new dwarf chameleon, genus Brookesia, from the Marojejy massif in northern Madagascar. Zoosystematics and Evolution 95(1): 95-106. https://doi.org/10.3897/zse.95.32818
Figure 2 Molecular phylogeny of species in the Brookesiaminima group, based on the nuclear c-mos gene (405 bp, no missing data) and inferred under the Maximum Likelihood optimality criterion (K2 substitution model). Values at nodes are support values from a bootstrap analysis in percent (500 replicates) and are only shown if >50%. The tree was rooted with Brookesiabrygooi (removed for better graphical representation).
Figure 6 from: Scherz MD, Köhler J, Rakotoarison A, Glaw F, Vences M (2019) A new dwarf chameleon, genus Brookesia, from the Marojejy massif in northern Madagascar. Zoosystematics and Evolution 95(1): 95-106. https://doi.org/10.3897/zse.95.32818
Figure 6 The preserved hemipenes of Brookesiatedi sp. n. and its sister species, B.peyrierasi in sulcal view. Not to scale. Note that the spines of B.peyrierasi are equally visible in asulcal view, and in all studied individuals of this species (see Glaw et al. 1999).
Figure 5 from: Scherz MD, Köhler J, Rakotoarison A, Glaw F, Vences M (2019) A new dwarf chameleon, genus Brookesia, from the Marojejy massif in northern Madagascar. Zoosystematics and Evolution 95(1): 95-106. https://doi.org/10.3897/zse.95.32818
Figure 5 The holotype of Brookesiatedi sp. n. from Marojejy in lateral view (above), and dorsal (middle) and lateral (below) views of the heads of the types of B.tedi sp. n., in comparison with a representative male specimen of B.peyrierasi from the type locality Nosy Mangabe. The lateral view of the holotype (marked with an asterisk) has been mirrored to be in the same orientation as those of the other specimens. Scale bar: 1 mm.
Data Products for "An HST Transmission Spectrum of the Closest M-Dwarf Transiting Rocky Planet LTT 1445Ab"
<p>Data for Figures 2, 3, 4, 6, 7, and 8 from the paper "An HST Transmission Spectrum of the Closest M-Dwarf Transiting Rocky Planet LTT 1445Ab". All are given in .csv files and can easily be plotted in Python. </p> <p>Figure 2: Flux (erg/s/cm^2/A) as a function of wavelength for the three exposures leading up to the flare, the exposure that was taken during the flare, and the first 10 exposures taken after the flare. </p> <p>Figure 3: Normalized flux and normalized error as a function of time (BJD_TDB) for the +1 and -1 orders of the WFC3/G280 grism are presented. Data from all three transits are included and are separated by a blank row. </p> <p>Figure 4: Wavelength-dependent transit depths for the +1 and -1 order of the WFC3/G280 grism are presented for all three visits. Each order within each visit has two columns, one corresponding to the transit depth value (e.g., "Visit 1 +1 Order (Rp/Rs)^2") and the adjacent column corresponding to the error (e.g., "Visit 1 +1 Order (Rp/Rs)^2 error"). </p> <p>Figure 6: Normalized flux and normalized error as a function of time (BJD_TDB) are presented for the WFC3/G141 observation. The first three columns correspond to the forward scan, then there is a gap, and the next three columns correspond to the reverse scan.</p> <p>Figure 7: Wavelength-dependent transit depths for both reductions (WRECS and ExoTiC-ISM) of the WFC3/G141 observation are presented. Columns are: wavelength (microns), wavelength width (microns), followed by the transit depth and error for each reduction (e.g., "WRECS (Rp/Rs)^2" and "WRECS (Rp/Rs)^2 error". </p> <p>Figure 8: Final transmission spectrum including the weighted mean of the three WFC3/G280 observations and the WFC3/G141 observation are given. Columns are wavelength (microns), wavelength width (microns), transit depth, and transit depth error. </p>
Supplementary material 5 from: Monjaraz-Ruedas R, Mendez RW, Hedin M (2023) Species delimitation, biogeography, and natural history of dwarf funnel web spiders (Mygalomorphae, Hexurellidae, Hexurella) from the United States / Mexico borderlands. ZooKeys 1167: 109-157. https://doi.org/10.3897/zookeys.1167.103463
Ingroup-only mitochondrial ML gene tree. Specimen numbers correspond to those in Suppl. material 1.
Supplementary material 1 from: Monjaraz-Ruedas R, Mendez RW, Hedin M (2023) Species delimitation, biogeography, and natural history of dwarf funnel web spiders (Mygalomorphae, Hexurellidae, Hexurella) from the United States / Mexico borderlands. ZooKeys 1167: 109-157. https://doi.org/10.3897/zookeys.1167.103463
Molecular and morphological voucher information
Supplementary material 3 from: Monjaraz-Ruedas R, Mendez RW, Hedin M (2023) Species delimitation, biogeography, and natural history of dwarf funnel web spiders (Mygalomorphae, Hexurellidae, Hexurella) from the United States / Mexico borderlands. ZooKeys 1167: 109-157. https://doi.org/10.3897/zookeys.1167.103463
Input matrices, analysis log files, and output tree files for nuclear and mitochondrial analyses
Supplementary material 2 from: Monjaraz-Ruedas R, Mendez RW, Hedin M (2023) Species delimitation, biogeography, and natural history of dwarf funnel web spiders (Mygalomorphae, Hexurellidae, Hexurella) from the United States / Mexico borderlands. ZooKeys 1167: 109-157. https://doi.org/10.3897/zookeys.1167.103463
Custom scripts for bioinformatic analyses
The Influence of Stellar Contamination on the Interpretation of Near-Infrared Transmission Spectra of Sub-Neptune Worlds around M-Dwarfs
<p>Supplementary Figures displaying posterior probability distributions of all simulation scenarios discussed in <em><strong>The Influence of Stellar Contamination on the Interpretation of Near-Infrared Transmission Spectra of Sub-Neptune Worlds around M-dwarfs. </strong></em></p> <p>Arxiv link to the paper: https://arxiv.org/abs/1912.04389</p> <p>The directory structure is as follows: </p> <p>1) 30ppm_JWST_NIRISS_BIAS: Cases with varying levels of stellar contamination and varying planetary atmospheric scenarios (clear/cloudy/high-metallicity) over the JWST NIRISS-like bandpass with 30ppm spectro-photometric precision. Here we show that there is a bias incurred in the retrieval results when fitting with a model not accounting for the stellar contamination correction.</p> <p>2) 30ppm_JWST_NIRCAM_BIAS: Case of 14% spot and 63% faculae over the JWST-NIRCam like bandpass with 30ppm precision for a cloudy atmosphere planet.</p> <p>3) JWST_NIRISS_VARY_PRECISION: Cases with varying levels of stellar contamination for a high-metallicity+cloudy planetary atmosphere exploring different JWST precisions from 15-120ppm. Here we show that the bias incurred when retrieving with the uncorrected atmosphere model persists over our grid of JWST sensitivities with increasing levels of stellar contamination. However, this bias is not noteworthy for spot-covering fractions below 1%. </p> <p>4) 30ppm_JWST_NIRISS_NO_IMPROVEMENT_WITH_JOINT_RETRIEVAL_OF_STELLAR_SPECTRUM: Case of 12% spot covering fraction with a high-metallicity+cloudy planetary atmosphere (with 30ppm precision over NIRISS-like bandpass) shows no improvement in the precision of planetary temperature, metallicity, and carbon-to-oxygen ratio despite acquiring improved constraints on the stellar contamination parameters directly from the disk-integrated spectrum of the star. </p> <p>5) 30ppm_JWST_NIRISS_STELLAR_MODEL_DIFF_BIAS: Case of 12% spot covering fraction with a high-metallicity+cloudy planetary atmosphere (with 30ppm precision on the NIRISS-like bandpass range) incorporating "realistic" stellar contamination with a different stellar model. Here we show that there is a bias that arises in the retrievals due to generational stellar model differences (also mimicking stellar model-data differences in our example case) despite including the correction for stellar contamination. Our work suggests that planetary parameter retrievals, despite correcting for stellar contamination are heavily dependent on an accurate characterization of the stellar photosphere. </p> <p>*** In addition to the supplementary figures in the above mentioned directories, you can also access a high-resolution version of Figure 10 from the paper, accompanied by the full retrieval corner plot illustrating bias induced due to stellar model differences. </p> <p>*These figures have made use of the pygtc plotting routine for displaying posterior probability distribution corner plots (Bocquet et al, (2016), pygtc: beautiful parameter covariance plots (aka. Giant Triangle Confusograms), Journal of Open Source Software, 1(6), 46, doi:10.21105/joss.00046)</p>
From solar to stellar flare characteristics. On a new peak size distribution for G-, K-, and M-dwarf star flares
<p>This dataset contains additional material for the research paper "From solar to stellar flare characteristics. On a new peak size distribution for G-, K-, and M-dwarf star flares", Astron. Astrophys., 2018.</p> <p>Based on the flare list available at http://156.17.94.1/sphinx_l1_catalogue/SphinX_cat_main.html, here peak X-ray flare intensities of Q- to C-class flares measured by the SphinX instrument (see, e.g., Kotov, 2011; Sylvester et al., 2011, 2012; Gburek et al., 2011a,b, 2013; Gryciuk et al., 2017) during the solar minimum of <strong>2009</strong> and their corresponding GOES E > 10 MeV peak proton fluxes are given.</p> <p><br> Column 1: Month<br> Column 2: Day<br> Column 3: X-ray flux peak hour<br> Column 4: X-ray flux peak minute<br> Column 5: X-ray flare peak intensity (W/m<sup>2</sup>)<br> Column 5: GOES E > 10 MeV peak proton flux (pfu)<br> Column 6: Flare location (according to the SphinX-database)</p>
On following pages 2 Black-crowned Dwarf Marmoset (Ca/I bella hum hs) 3 S Ivery Marmoset (Mıco argemarusl 4 Golden-whıte Bare-ear Marmoset (Mıco eucıppe) 5 Snethlage s Marmoset (Mıco emılıae) 6 Black tan ed Marmoset (M co melanurus) 7 Rıo Ar puaná Marmoset (Mwa mermed us) 8 Rondon s Maımosex (Mm random) 9 BIack-headad Marmoset (Moo mgr caps) 10 Marca s Marmoset (Mco marcar) Rm Mamcoré Marmoset (Mıoo manıcorensıs) 12 Rıo Acari Marrnosel (MICO acarıensıs) 13 Maués Marmoset (Mıco mauesı) 14 Golden-wma Tasselear Marmoset (Mıco chrysoleuoosi 15 Sateré Marmosat (Mıco scram) 16 Santarém Marrnoset (Mıoo humeralıfen in Callitrichiade
On following pages 2 Black-crowned Dwarf Marmoset (Ca/I bella hum hs) 3 S Ivery Marmoset (Mıco argemarusl 4 Golden-whıte Bare-ear Marmoset (Mıco eucıppe) 5 Snethlage s Marmoset (Mıco emılıae) 6 Black tan ed Marmoset (M co melanurus) 7 Rıo Ar puaná Marmoset (Mwa mermed us) 8 Rondon s Maımosex (Mm random) 9 BIack-headad Marmoset (Moo mgr caps) 10 Marca s Marmoset (Mco marcar) Rm Mamcoré Marmoset (Mıoo manıcorensıs) 12 Rıo Acari Marrnosel (MICO acarıensıs) 13 Maués Marmoset (Mıco mauesı) 14 Golden-wma Tasselear Marmoset (Mıco chrysoleuoosi 15 Sateré Marmosat (Mıco scram) 16 Santarém Marrnoset (Mıoo humeralıfen
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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)
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DANDI Archive for NWB datasets
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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.