cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.15156/bio/sh1284125.09fu
title: SH1284125.09FU

description: UNITE provides a unified way for delimiting, identifying, communicating, and working with DNA-based Species Hypotheses (SH). All fungal ITS sequences in the international nucleotide sequence databases are clustered to approximately the species level by applying a set of dynamic distance values (<0.5 - 3.0%). All species hypotheses are given a unique, stable name in the form of a DOI, and their taxonomic and ecological annotations are verified through distributed, web-based third-party annotation efforts. SHs are connected to a taxon name and its classification as far as possible (phylum, class, order, etc.) by taking into account identifications for all sequences in the SH. An automatically or manually designated sequence is chosen to represent each such SH. These sequences are released (https://unite.ut.ee/repository.php) for use by the scientific community in, for example, local sequence similarity searches and next-generation sequencing analysis pipelines. The system and the data are updated automatically as the number of public fungal ITS sequences grows.
DOI: 10.57780/esa-jmzsjsd
title: 17002

description: The UVIS detector occasionally exhibits low-level (virgul1%) quantum efficiency offsets (hysteresis) across both chips. This is known as the .bowtie. effect comma  due to the unique pattern that results in the image ratios and was revealed during thermal vacuum testing. Ground tests found that this hysteresis could be negated by overexposing the detector to several times the full well amount. In order to detect and mitigate UVIS hysteresis on orbit comma  a multi-cycle .bowtie monitoring. program was created.  Similar to past bowtie monitoring programs comma  each visit of this program acquires a set of three 3x3 binned internal tungsten flatfields.  The first image is unsaturated in order to identify hysteresis comma  the second image is saturated to neutralize any quantum efficiency offsets comma  and the third image is unsaturated to provide an estimate of how well the hysteresis was removed.
DOI: 10.57780/esa-jng3cp1
title: 16924

description: This program would observe two low-inclination Scattered Disk Objects (SDOs) with five total orbits to measure their color and astrometry. These SDOs comma  2020 KS11 and 2020 KV11 comma  are both potential future targets for observation by NASA.s New Horizons spacecraft. Their colors would be measured with WFC3-UVIS and two filters (F606W and F814W) to both compare their colors to other past New Horizons comma  targets and to provide some of the first measurements of the colors of low-inclination SDOs. Low-inclination SDOs are relatively rare in the scattered disk population comma  and previous ground-based color investigations were only able to measure colors for an even smaller fraction of those. The proposed observations would measure the colors of fainter and smaller SDOs than are possible to measure from the ground comma  helping to understand this curious population. The proposed observations are critical to be performed in Cycle 29 comma  as additional HST astrometry is required to improve their orbits sufficiently to allow New Horizons them comma  and the sooner that astrometry is available comma  the sooner that the New Horizons project can plan those observations. The proposed observations would improve the orbit of 2020 KS11 more than is possible with ground-based telescopes before it would be observed by New Horizons in 2024 comma  and would provide as much improvement in the orbit of 2020 KV11 as eight semesters of ground-based data. These targets were not previously proposed to be observed in Cycle 29 comma  as the Cycle 28 observations of them were required first to know that they were good targets for New Horizons comma  and to know what quantity of additional HST astrometry would be required.
DOI: 10.15156/bio/sh1284126.09fu
title: SH1284126.09FU

description: UNITE provides a unified way for delimiting, identifying, communicating, and working with DNA-based Species Hypotheses (SH). All fungal ITS sequences in the international nucleotide sequence databases are clustered to approximately the species level by applying a set of dynamic distance values (<0.5 - 3.0%). All species hypotheses are given a unique, stable name in the form of a DOI, and their taxonomic and ecological annotations are verified through distributed, web-based third-party annotation efforts. SHs are connected to a taxon name and its classification as far as possible (phylum, class, order, etc.) by taking into account identifications for all sequences in the SH. An automatically or manually designated sequence is chosen to represent each such SH. These sequences are released (https://unite.ut.ee/repository.php) for use by the scientific community in, for example, local sequence similarity searches and next-generation sequencing analysis pipelines. The system and the data are updated automatically as the number of public fungal ITS sequences grows.
DOI: 10.57780/esa-jnm2n4d
title: 16191

description: Ultra diffuse galaxies (UDGs) --- a remarkable class of low-surface brightness galaxy --- have been recently discovered in large quantities comma  possessing large physical sizes (>2 kpc) comma  yet low central surface brightness (virgul25 mag-arcsecelev2) and stellar mass (<10elev8 M_sun). These galaxies comma  abundant in groups and clusters comma  are completely distinct from normal galaxy populations comma  suggesting formation mechanisms that are unexpected comma  yet important for galaxy evolution. Substantial HST time has been spent to better understand UDGs as a population. Yet comma  nearly every known UDG is too distant to resolve their stellar populations comma  which are likely crucial to understanding their origins. Only one known UDG is close enough to study in detaildoublePoint F8D1 is a member of the M81 group and only 3.7 Mpc away.  We propose a deep comma  benchmark survey of F8D1.s stellar populations --- a crucial case study of UDG formation physics and of the various models of UDG formation comma  including tidal processing and unique SFHs. This proposal targets two deep comma  coordinated ACS-WFC3 fields comma  as well as a map extending out to larger radii which will allow us to search for faint signatures of tidal disruption. In 31 orbits comma  we will provide the first-ever measure of a UDG.s resolved SFH comma  as well as its SFH gradient comma  and will constrain the presence of any tidal signatures within 5*R_eff comma  down to the deepest-ever (virgul33 mag-arcsecelev2) surface brightness limit. With a fraction of the current HST investment comma  we will conduct the first 'Rosetta Stone. investigation of a UDG. This high legacy-value resolved-star dataset will be key to deciphering the complex potential avenues leading to the formation of these enigmatic galaxies.
DOI: 10.15156/bio/sh1284127.09fu
title: SH1284127.09FU

description: UNITE provides a unified way for delimiting, identifying, communicating, and working with DNA-based Species Hypotheses (SH). All fungal ITS sequences in the international nucleotide sequence databases are clustered to approximately the species level by applying a set of dynamic distance values (<0.5 - 3.0%). All species hypotheses are given a unique, stable name in the form of a DOI, and their taxonomic and ecological annotations are verified through distributed, web-based third-party annotation efforts. SHs are connected to a taxon name and its classification as far as possible (phylum, class, order, etc.) by taking into account identifications for all sequences in the SH. An automatically or manually designated sequence is chosen to represent each such SH. These sequences are released (https://unite.ut.ee/repository.php) for use by the scientific community in, for example, local sequence similarity searches and next-generation sequencing analysis pipelines. The system and the data are updated automatically as the number of public fungal ITS sequences grows.
DOI: 10.57780/esa-jo8nnb5
title: 16228

description: In the era of HST comma  JWST comma  and ALMA comma  the initial conditions of planet formation will be laid bare through the direct imaging of planet forming regions around nearby young stars. As more and more disks are observed over multiple epochs comma  their dynamic and variable natures are revealed comma  opening new avenues of study. Archival HST images of TW Hya.s outer disk show that it has a shadow that orbits with a period of virgul16 yr comma  but the full orbit of the shadow has not been observed comma  leaving ambiguity about its origin. We propose to observe TW Hya over the next three Cycles with HST-STIS coronagraphy to fill in badly needed orbital phase coverage of the shadow.s motion and create a homogenous comma  high quality dataset with archival STIS observations.  Our program will elucidate the physical origin of the shadow and constrain the structure of TW Hya.s inner cavity independently from sub-mm imaging. Disk shadow imaging is a new tool for understanding the initial conditions of planet formation at radii inaccessible by other observations.
DOI: 10.57780/esa-jp70915
title: 16399

description: This proposal will acquire absolute gain data for every quadrant (A comma  B comma  C comma  and D) of the WFC3-UVIS detector to continue monitoring the gain stability. This has been a recurring CAL program since Cycle 17 and allows us to measure both long and short term gain stability. We will continue to take both un-binned and binned (2x2 and 3x3) gain measurements.
DOI: 10.15156/bio/sh1284128.09fu
title: SH1284128.09FU

description: UNITE provides a unified way for delimiting, identifying, communicating, and working with DNA-based Species Hypotheses (SH). All fungal ITS sequences in the international nucleotide sequence databases are clustered to approximately the species level by applying a set of dynamic distance values (<0.5 - 3.0%). All species hypotheses are given a unique, stable name in the form of a DOI, and their taxonomic and ecological annotations are verified through distributed, web-based third-party annotation efforts. SHs are connected to a taxon name and its classification as far as possible (phylum, class, order, etc.) by taking into account identifications for all sequences in the SH. An automatically or manually designated sequence is chosen to represent each such SH. These sequences are released (https://unite.ut.ee/repository.php) for use by the scientific community in, for example, local sequence similarity searches and next-generation sequencing analysis pipelines. The system and the data are updated automatically as the number of public fungal ITS sequences grows.
DOI: 10.57780/esa-jqxhzl0
title: 16912

description: The ultra diffuse galaxies DF2 and DF4 in the NGC1052 group share several unusual propertiesdoublePoint they both have large sizes comma  rich populations of overluminous and large globular clusters comma  and very low velocity dispersions indiciating little or no dark matter. Recently it was found that DF2 and DF4 are very far apart along the line-of-sight comma  have a high relative velocity comma  and are part of a linear structure of 8-12 large comma  unusual galaxies in the group. It has been proposed that DF2 comma  DF4 comma  and the other galaxies along the trail originated in the aftermath of a d_commabullet dwarf.. event comma  a high speed collision between two galaxies virgul9 Gyr ago that separated gas from dark matter. Four of the galaxies in the trail have been imaged previously with ACS. Here we propose to image the other 8 galaxies in the trail. The immediate goals are to measure the globular cluster populations comma  morphologies comma  colors comma  and surface brightness fluctuation distances of all the galaxies in this remarkable linear structure. These observations are critical for preparing follow-up spectroscopic and ultra deep HST imaging observations comma  and lay the foundation for a constraint on the self-interaction cross section of dark matter on kpc scales.
DOI: 10.57780/esa-jray3n5
title: 17264

description: The exceptional gamma-ray burst GRB 221009A is the brightest GRB ever observed by almost two orders of magnitude comma  and rate estimates suggest it is a once per millenium event. It is now the subject of an intensive series of multi-wavelength observations with detections of individual photons with tens to hundreds of TeV to low frequency radio comma  including approved NIR spectroscopy from JWST. Remarkably comma  it is also a relatively nearby event with a redshift of only z=0.15. The worldwide follow-up is building what will become a legacy data set for the field. The collapsars accompanying such lumonous bursts have been proposed as a source of r-process heavy elements comma  and this case offers the best opportunity for the foreseeable future to test this hypothesis. We propose here non-disruptive HST ToO imaging observations at mid- to late-times post burst comma  sampling the spectral energy distribution evolution comma  in order to characterise the accompanying SN comma  compare its properties to those of more ordinary GRBs comma  and crucially to seek the signature of r-process nucleosynthesis comma  expected to produce NIR excess starting after the SN peak comma  that is 3-6 weeks after the GRB. These data will also pinpoint the burst position on its host comma  allowing future studies of the GRB progenitor environment. HST data are essential because of the target faintness and crucially because it will not be observable from ground (nor JWST) on the critical epochs requested here.
DOI: 10.15156/bio/sh1284129.09fu
title: SH1284129.09FU

description: UNITE provides a unified way for delimiting, identifying, communicating, and working with DNA-based Species Hypotheses (SH). All fungal ITS sequences in the international nucleotide sequence databases are clustered to approximately the species level by applying a set of dynamic distance values (<0.5 - 3.0%). All species hypotheses are given a unique, stable name in the form of a DOI, and their taxonomic and ecological annotations are verified through distributed, web-based third-party annotation efforts. SHs are connected to a taxon name and its classification as far as possible (phylum, class, order, etc.) by taking into account identifications for all sequences in the SH. An automatically or manually designated sequence is chosen to represent each such SH. These sequences are released (https://unite.ut.ee/repository.php) for use by the scientific community in, for example, local sequence similarity searches and next-generation sequencing analysis pipelines. The system and the data are updated automatically as the number of public fungal ITS sequences grows.
DOI: 10.57780/esa-jshqkov
title: 16411

description: This is a continuation of programs 11433 (SMOV) comma  11915 (Cy 17) comma  12338 (Cy 18) comma  12712 (Cy 19) comma  13098 (Cy 20) comma  13587 (Cy 21) comma  14029 (Cy 22) comma  14391 (Cy23) comma  14548 (Cy24) comma  14998 (Cy25) comma  and 15591 (Cy26) comma  15731 (Cy27). We study the stability and structure of the IR channel flat field images through all filter elements.  Flats are monitored comma  to capture any temporal trends and delta flats are produced.  High signal observations will provide a map of the pixel-to-pixel flat field structure comma  as well as identify the positions of any dust particles.  This version contains a full set of IR filter exposures once in the middle of the cycle. In addition we will acquire 3 exposures in each of the broadband filters F105W comma  F110W comma  F125W comma  F140W comma  and F160W twice during the cycle.  This work builds on the ISR of Ryan  and  Baggett (2015-011) and Ryan (2019-06).    ------ Calibration Justification -------  The target electrons per pixel is 40 comma 000 - 60 comma 000 comma  so that the Poisson noise of an individual pixel and a single exposure will be 0.5% comma  comparable to or smaller than any individual astronomical image made by WFC3 IR.  With 2 well-exposed flats per medium- and narrow-band filter comma  the Poisson-limited noise after combining 2 individuals will be virgul1.4x smaller.  For the broad-band filters comma  we can combine 3 exposures to produce bi-monthly flats comma  or combine a total of 18 exposures for a extremely low noise flats in the case temporal variations are limited.  Analysis results will be detailed in an ISR.
DOI: 10.15156/bio/sh1284130.09fu
title: SH1284130.09FU

description: UNITE provides a unified way for delimiting, identifying, communicating, and working with DNA-based Species Hypotheses (SH). All fungal ITS sequences in the international nucleotide sequence databases are clustered to approximately the species level by applying a set of dynamic distance values (<0.5 - 3.0%). All species hypotheses are given a unique, stable name in the form of a DOI, and their taxonomic and ecological annotations are verified through distributed, web-based third-party annotation efforts. SHs are connected to a taxon name and its classification as far as possible (phylum, class, order, etc.) by taking into account identifications for all sequences in the SH. An automatically or manually designated sequence is chosen to represent each such SH. These sequences are released (https://unite.ut.ee/repository.php) for use by the scientific community in, for example, local sequence similarity searches and next-generation sequencing analysis pipelines. The system and the data are updated automatically as the number of public fungal ITS sequences grows.
DOI: 10.57780/esa-jv4gyy7
title: 16316

description: Massive OB stars are rare and short lived. Yet they dominate the ultraviolet luminosities of star forming galaxies comma  produce alpha elements comma  and are mechanical energy powerhouses through their stellar winds and supernovae. OB stars are difficult to study and our knowledge of massive star populations is largely limited to the Milky Way and its nearby companions. We propose to use an efficient large-dither-mosaicking observing strategy to resolve and map OB star populations in 27 nearby galaxies within 7.5 Mpc by obtaining FUV and NUV images with the ACS-SBC and WFC3-UVIS on HST. GULP will observe galaxies covering a wide range of masses comma  metallicities comma  and star formation activity levels. GULP multi-wavelength data will capture large numbers of massive young stars in clusters comma  OB associations comma  and in field populations. GULP will provide a unique basis for calibrating modern massive star evolutionary models comma  investigating the upper IMF and its dependence on metallicity and environment comma  and understanding the role of stellar feedback in determining the evolution of starbursts and star-forming galaxies. GULP will allow us to link the properties of massive stars from their birth to their demise as supernovae. The project makes effective use of archival HST data comma  adding unique UV photometry comma  and allowing us to simultaneously investigate UV dust obscuration in a variety of galaxies. Results from GULP will thus provide a strong quantitative basis for quantifying the dust attenuation at FUV and NUV wavelengths comma  indispensable for interpreting the rest-frame UV spectra of youthful galaxies with JWST.
DOI: 10.57780/esa-jw5fkyf
title: 16511

description: The Space Telescope Science Institute (STScI) Director has decided to devote up to 1000 orbits of Director.s Discretionary time in observing Cycles 27-29 to a new Hubble Ultraviolet Legacy program focused on star formation and associated stellar physics. This new program comma  ULLYSES (UV Legacy Library of Young Stars as Essential Standards) comma  will provide a UV spectroscopic reference sample of young (< 10 Myr) high- and low-mass stars. It will target over virgul150 OB stars in the Magellanic Clouds and lower metallicity galaxies in the Local Group comma  and virgul40 T Tauri stars and brown dwarfs in the Milky Way. In addition comma  ULLYSES will monitor 4 typical T Tauri stars over different rotational phases through at least three rotation periods comma  and over timescales of months to years. The resulting library will provide template spectra of massive stars at metallicities substantially below the well studied comma  while the low mass sample will cover a wide range of ages comma  accretion rates comma  and masses comma  including objects down to well below 0.5 M_sun. The legacy of this large UV dataset on the first 10 Myr of stellar evolution will be enhanced by complementary datasets obtained by the scientific community. In addition to the core goals of the program related to stellar astrophysics of low and high mass stars comma  this data will also enable exciting science in the fields of ISM comma  CGM comma  jets comma  and exoplanets. ULLYSES will be modeled after the Frontier Fields programdoublePoint all data obtained will be non-proprietary. The implementation team at STScI is developing high-level science data products and a sophisticated database and website for disseminating data from the ULLYSES program and ancillary datasets for the ULLYSES target sample from space and ground-based facilities.
DOI: 10.15156/bio/sh1284131.09fu
title: SH1284131.09FU

description: UNITE provides a unified way for delimiting, identifying, communicating, and working with DNA-based Species Hypotheses (SH). All fungal ITS sequences in the international nucleotide sequence databases are clustered to approximately the species level by applying a set of dynamic distance values (<0.5 - 3.0%). All species hypotheses are given a unique, stable name in the form of a DOI, and their taxonomic and ecological annotations are verified through distributed, web-based third-party annotation efforts. SHs are connected to a taxon name and its classification as far as possible (phylum, class, order, etc.) by taking into account identifications for all sequences in the SH. An automatically or manually designated sequence is chosen to represent each such SH. These sequences are released (https://unite.ut.ee/repository.php) for use by the scientific community in, for example, local sequence similarity searches and next-generation sequencing analysis pipelines. The system and the data are updated automatically as the number of public fungal ITS sequences grows.
DOI: 10.57780/esa-jztbj2m
title: 16798

description: We propose to create a legacy map of the southern half of M31 in the optical and near ultraviolet (NUV).  The Panchromatic Hubble Andromeda Southern Treasury (PHAST) will add virgul100 million stars to M31.s stellar photometry archive and cover regions of M31 that are structurally unique and more sensitive to the merger history than the northern disk mapped in the Panchromatic Hubble Andromeda Treasury (PHAT).   These newly mapped regions include the intersections with M32 and the giant southern stream comma  the split portion of the star forming ring comma  and the southern bar.  By providing age comma  metallicity comma  stellar mass comma  and follow-up kinematics comma  the resolved stellar photometry of these regions will be used for detailed comparisons to simulations comma  including star formation history and population asymmetries as well as the orbits of M32 and the giant southern stream comma  allowing us to distinguish between competing merger scenarios.  Thus comma  these measurements tightly constrain models of M31.s merger history and disk evolution.  Furthermore comma  the legacy value for such observations is undeniable  M31 has been and will continue to be a centerpiece target for many NASA and ESA missions comma  as well as for ground-based time-domain observations that could find extremely valuable events that require HST resolution for identifying precursors.  These current and future data sets cover the entire galaxy comma  and thus comma  our coverage will increase the value of all past and future M31 observations.  PHAST will complete a lasting baseline data set for this high-demand target that no other current or planned facility will be able to produce.