cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.57780/esa-5z96ih2
title: 16567

description: This UVIS daily monitor program obtains full-frame comma  four-amp readout bias and dark frames.  All exposures are post-flashed at a 20 e--pixel level  a separate program (16569) will be used to obtain un-flashed UVIS darks to monitor non-postflashed behavior. The biases and darks from this proposal comma  in addition to those that are obtained as part of the WFC3-UVIS anneal program (16564) comma  will be used to create superbias and superdark calibration reference files for the Calibration Reference Data System (CRDS) and monitor the evolution of hot pixels comma  dark current comma  bias level and readnoise.  This is the second of three daily monitoring programs of Cycle 29 (the others are 16566 and 16568).  It covers March 18 through July 19 comma  2022. The combination of the three programs provides full coverage of Cycle 29.
DOI: 10.57780/esa-61n5qn5
title: 16272

description: Wolf-Rayet stars of the carbon sequence (WC) represent the final evolutionary phase of very massive stars. They are the presumed immediate progenitors of black holes comma  stripped supernovae (Ibc SNe) comma  and long duration gamma-ray bursts. With 28 WC stars comma  the Large Magellanic Cloud (LMC) is the only galaxy that hosts a resolvable and statistically significant population of WC stars at subsolar metallicity. Despite this comma  the physical parameters of most remain V1.0 comma  and comma  in stark contrast to predictiondoublePoint only 3-28 of the LMC WC stars have been confirmed as binaries. However comma  previous studies were severely insensitive to year-long orbital periods that WC binaries are expected to exhibit. We propose to obtain single-epoch high-resolution COS-FUV spectra to employ a novel method for binary detection and to derive the wind parameters of the WC population and their potential companions. This will serve as an indispensable step for establishing the highly uncertain onward evolution of very massive stars in the era of gravitational-wave astronomy.
DOI: 10.15156/bio/sh1283938.09fu
title: SH1283938.09FU

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-622hk6f
title: 16875

description: With no equivalent in our Solar system comma  sub-Neptunes and super-Earths are the most common categories of planet discovered so far. Formation models predict that they are one and the samedoublePoint both composed of rocky cores comma  with sub-Neptunes retaining extended atmospheres comma  while super-Earths lose them early on. The puffy atmospheres of the smallest sub-Neptunes are outstanding candidates for atmospheric characterisation comma  as they represent an important step towards the study of Earth-analogs. Particularly comma  there is growing interest in exploring the atmospheres of temperate sub-Neptunes as these could be harbouring liquid water. In this context comma  TOI-4336 b is of the highest interest due to the parameters of the system putting it at the top of the list of temperate candidates for atmospheric exploration. In anticipation of in-depth characterization with HST and the upcoming JWST comma  it is essential to perform atmospheric reconnaissance in order to discriminate between a clear H-dominated atmosphere (e.g. K2-18b) and a cloudy one (e.g. GJ 1214 b) which prevents the detection of absorbers. We propose the observation of TOI-4336 b with HST.s WFC3 and the G141 grism in order to obtain a transmission spectrum covering the range between 1.1 and 1.7 microns. With this Mid-Cycle proposal we expect to probe the upper layers of the atmosphere and detect the presence of water vapour with only three transits at the 5 sigma level comma  confirming our hypothesis this sub-Neptune is ideal for a full atmospheric characterisation.
DOI: 10.15156/bio/sh1283939.09fu
title: SH1283939.09FU

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: 10.15156/bio/sh1283940.09fu
title: SH1283940.09FU

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-62yuyx5
title: 16460

description: Although a high fraction of quasars is predicted to be gravitationally lensed at high redshift comma  only one z>5 lensed quasar has been discovered to date (J0439+1634 at z=6.5). Recently we identified a promising candidate of a lensed quasar at z=5.07 comma  J0025-0145 comma  which would be the second lensed quasar at z>5 if confirmed. A number of observational evidences strongly suggest J0025-0145 being lensed comma   including (1) the existence of a foreground lens galaxy comma  (2) the ground-based image is extended and is well-fitted by a lensing model comma  and (3) the SMBH mass implies an exceptionally high super-Eddington accretion ratio comma  which can be explained by lensing magnification. The characteristics of J0025-0145 strongly resemble those of J0439+1634. Our model suggests that J0025-0145 is a compact lens (image separation virgul0.1d_comma) with large magnification (virgul80). HST is needed to confirm the lensing scenario. Because of its high magnification comma  J0025-0145 will provide the first chance to study the host galaxy of a faint quasar at z>5 with high S-N and high spatial resolution comma  and to probe the SMBH-galaxy co-evolution in a low mass system at high-redshift in great details. We propose ACS-WFC imaging of J0025-0145. We will use F435W to capture the lens galaxy comma  and use F606W to measure the lensed quasar images. The proposed observation will be the definitive test of the lensing hypothesis comma  and will provide an accurate lensing model which will enable follow-up studies comma  especially high S-N JWST and ALMA observations. The proposed observation will be a crucial step towards building a sample of high-redshift lensed quasars comma  which is essential to a comprehensive view of high-redshift SMBH population.
DOI: 10.15156/bio/sh1283941.09fu
title: SH1283941.09FU

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-63hqep7
title: 16245

description: Understanding cosmic reionization comma  and how galaxies contributed to it comma  is a very active field in extragalactic research. Since directly detecting the ionizing Lyman continuum (LyC) from galaxies in the epoch of reionization (EoR) is  impossible comma  much attention has been given to the study of the conditions for LyC escape in low redshift (z) analogs with properties akin to those expected for galaxies in the EoR. Recently many LyC leaking galaxies have been identified in the low-z universe with HST-COS comma  and the strategy of selecting emission line galaxies with high ionization comma  as revealed by their CORCHETE_OPENOIIICORCHETE_CLOSE-CORCHETE_OPENOIICORCHETE_CLOSE ratios comma  has been particularly successful. The Lyman alpha (Lya) emission line from  hydrogen is another vital probe of the high-z universe and is extensively used to find galaxies and determine their redshifts. Being a resonant line comma  the observability of Lya is  very sensitive to the amount of neutral hydrogen in the interstellar medium (ISM)  and it has been found that  Lya emission is often dominated by large halos comma  likely formed by resonant scattering.  Here we propose an imaging study of the Lya and ionized gas emission in three low-z  galaxies with the highest (38-72%) known LyC escape fractions. We will investigate the existence of Lya halos comma  and map the ionization structure of the ISM comma  to investigate  conditions for LyC escape and how isotropic it is.   In addition comma   for the source with highest escape fraction comma  its slightly higher redshift makes direct imaging of the LyC  feasible. This rare opportunity means that the spatial distribution of the ionizing radiation and its escape fraction can be mapped and related to the local ionization level and dust content.
DOI: 10.57780/esa-65vxsnh
title: 16494

description: In the cores of galaxy clusters comma  the hot intracluster medium should cool rapidly comma  leading to d_commacooling flowsd_comma of order virgul100-1000 Msun-yr. Our current picture is that AGN feedback is responsible for preventing these runaway cooling events comma  leading to more typical star formation rates of virgul1-10 Msun-yr in the centers of relaxed comma  cool core clusters. However comma  recent work suggests that feedback may saturate in the most massive clusters comma  leading to a cooling imbalance in the most extreme systems. In this proposal comma  we target one of the most star-forming central cluster galaxies in the Universe (with the other 5 having already been observed) comma  which is forming stars at nearly the classical cooling flow prediction. We will obtain narrow-band CORCHETE_OPENO IICORCHETE_CLOSE imaging using the ACS ramp filter on this cluster comma  allowing us to probe the development of thermal instabilities as gas condenses out of the hot phase and ultimately forms stars. Combining these data with the larger sample sample of six massive clusters provides an opportunity to test the limits of AGN feedback comma  where cooling does not appear to be significantly suppressed. Three of these six clusters also harbor central QSOs comma  allowing us to probe the different effects of mechanical (radio-mode) and radiative (quasar-mode) feedback in the inner regions of clusters. As the six most star-forming central cluster galaxies comma  these will make stunning and inspiring images and have tremendous legacy value comma  as recent Chandra+ALMA and future JWST targets. NOTEdoublePoint This is a reobservation of a failed visit for a larger approved program.
DOI: 10.15156/bio/sh1283942.09fu
title: SH1283942.09FU

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-69asart
title: 17194

description: Type Ia supernovae (SNe Ia) have a low intrinsic magnitude dispersion comma  therefore are highly standardisable and make excellent cosmological distance indicators. After correcting for light-curve properties comma  such as width (stretch) and intrinsic colour comma  this dispersion is further reduced. However comma  an intriguing dependence on SN host galaxy properties remainsdoublePoint SNe Ia associated with high mass hosts are brighter than those in low mass hosts. If the remaining brightness dispersion is entirely due to global host galaxy properties comma  SNe Ia associated with the same galaxy (siblings) should be cosmologically similar comma  with comparable intrinsic colours comma  stretches and Hubble residuals. However comma  prior studies have shown that this is not the case comma  and they are as different as any other pair of SN. With the high quality images we will obtain with this proposal comma  we will investigate the local environments of a sample of low redshift (low-z) siblings comma  by measuring rest-frame U-R photometry within small apertures around each SN comma  to see if sub-galactic differences in environmental properties are the answer to improving SNe Ia standardisation.   Prior sibling analyses have typically been limited to the duration of individual surveys comma  meaning that their sibling samples have primarily been found in high mass comma  elliptical galaxies comma  which are associated with higher rates of SNe Ia. Our proposed sample of archival low-z siblings differ in explosion times by an average of 14 years allowing for an increased understanding of the rates of sibling SNe Ia comma  detailed investigation of a diverse variety of host galaxy morphologies comma  and thus a diverse range of local environments within those galaxies.
DOI: 10.57780/esa-6bnrvx5
title: 17246

description: This program is designed to verify acquisition parameters at LP6 and to produce spectra at several regions on the detector that would normally be used for target acquisition comma  but for which data are not downlinked as part of the acquisition process. The idea is that if anything does go wrong with the acquisition tests we will have maps of the detector that we can then use for diagnostics. LP6 is at +6.5d_comma from the on-axis detector position comma  The program uses ficticious offset targets to nod the telescope away from a centered target and then test the re-acquisition. Because these displacements need to happen along the AD and XD detector direction and target offset coordinates must be entered in RA and DEC comma  the ORIENT angle for each visit must be restricted to +-- 0.5 degrees comma  which also means a date range restriction. The date ranges and ORIENT restrictions for each visit are described in the program description. The program is modeled after the LP5 version of this programdoublePoint 16432. It uses the target WDG-1 (SK 191) and cenwave G160M-1577 for all exposures.  Prior to the execution of this program all LP6 SIAF comma  aperture mechnism positions comma  TA subarray comma  and foci must have been installed.  There is no special commanding in this program.  Please see special request at the bottom of the proposal description. Those requests still apply here.
DOI: 10.57780/esa-6cyduv4
title: 16570

description: This monitor is used to track possible changes in the post-flash light distribution or in the brightness of the LED. We also use these results to provide updated post-flash reference files for use in the CALWF3 pipeline. These reference files are generated from the data within this monitor.
DOI: 10.15156/bio/sh1283943.09fu
title: SH1283943.09FU

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-6h6yvy3
title: 16254

description: Somewhat erratic comma  unpredictable long-term starspot cycles of late-type stars are relevant for understanding the Sun.s analogous high-energy modulations comma  in turn crucial to Earth-impacting d_commaSpace Weatherd_comma (SW).  Similarly comma  stellar SW counterparts can have eqivalent comma  or more severe comma  adverse effects on their exoplanets. The solar decadal oscillations are symptomatic of a deep-seated magnetic pump -- the Dynamo -- whose internal workings remain elusive. Key questiondoublePoint is Sun.s 11-year cycle normal comma  or instead a transition statequestionMark  A 3-year continuation of previous long-term Chandra-HST programs will be carried out for Alpha Cen AB (G2V+K1V) and Procyon (F5IV) comma  nearby bright stars that bracket the Sun in their fundamental stellar properties.  HST part of the program will measure FUV subcoronal (Tvirgul100 comma 000 K) emission lines comma  like Si IV 140 nm and C IV 155 nm comma  as well as the important NUV chromospheric (Tvirgul10 comma 000 K) emission doublet of Mg II at 280 nm comma  in all three stars comma  with one visit of STIS echelle spectroscopy per system each year.  Non-standard wavecals provide better wavelength calibrations comma  so that subtle Doppler shifts of the high-excitation emissions can be assessed.  Dynamical information also is encoded in distortions of the line shapes comma  captured using combinations of FUV medium- and high-resolution echelle settings.
DOI: 10.15156/bio/sh1283944.09fu
title: SH1283944.09FU

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-6ha6pie
title: 16688

description: The tension among recent early- and late-Universe determinations of Hubble.s constant (H0) is one of the potentially most consequential open problems in astrophysics. Specifically comma  the present-day measurement based on a well calibrated empirical distance ladder differs by 8.3 +-- 2.0% (at 4.2 sigma) from the cosmology-dependent H0 value derived from the Planck mission.s observations of the Cosmic Microwave Background. It is now crucial to demonstrate the accuracy of the distance ladder by scrutinizing even presumably small systematic errors to either resolve or intensify the tension comma  whereby the latter could place fundamental physics at the verge of a breakthrough. We propose to exploit HST-WFC3.s unique UV capabilities to validate and improve the late-Universe H0 measurement based on Cepheid variable stars and type-Ia supernovae (SNeIa). WFC3-UVIS F300X observations of Cepheids in the crucial anchor galaxy NGC4258 will quantify the occurrence of Cepheids in or near their natal (cluster) environments. This will allow us to  improve the stellar association bias correction currently applied to the distance ladder by a) comparing clustering frequency comma  type comma  and magnitude among all distance ladder anchor galaxies (NGC4258 comma  Milky Way comma  LMC)  b) comparing Cepheid clustering properties between NGC4258 and the SNeIa host M101 under nearly identical observing conditions  c) increasing clustering statistics to investigate their dependence on Cepheid properties. Coordinated parallel observations of a new halo field will accurately calibrate the tip of the red giant branch (TRGB) luminosity and improve the TRGB.s ability to serve as a Cepheid-independent first distance ladder rung.