HE1327-2326, an unevolved star with [Fe/H]<-5.0. I. A Comprehensive Abundance Analysis
arXiv:astro-ph/0509206 · doi:10.1086/497906
Abstract
We present the elemental abundances of HE1327-2326, the most iron-deficient star known, determined from a comprehensive analysis of spectra obtained with the Subaru Telescope High Dispersion Spectrograph.
53 pages, 14 figures, 10 tables, to appear in ApJ
References in corpus (57)
- Maps of Dust IR Emission for Use in Estimation of Reddening and CMBR Foregrounds
- First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Determination of Cosmological Parameters
- The Nucleosynthetic Signature of Population III
- First stars V - Abundance patterns from C to Zn and supernova yields in the early Galaxy
- The First Stars
- Galactic Evolution of Sr, Y, Zr: A Multiplicity of Nucleosynthetic Processes
- Nucleosynthetic signatures of the first stars
- The Extremely Metal-Poor, Neutron-Capture-Rich Star CS 22892-052: A Comprehensive Abundance Analysis
- A stellar relic from the early Milky Way
- The extreme r-element rich, iron-poor halo giant CS31082-001: Implications for the r-process site(s) and radioactive cosmochronology
- The Formation of the First Low-Mass Stars From Gas With Low Carbon and Oxygen Abundances
- First stars VI - Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements
- First-generation black-hole-forming supernovae and the metal abundance pattern of a very iron-poor star
- The YY Isochrones for alpha-element Enhanced Mixtures
- Updated Big Bang Nucleosynthesis confronted to WMAP observations and to the Abundance of Light Elements
- Spectroscopic Studies of Extremly Metal-Poor Stars with Subaru/HDS:II.The r-process Elements, Including Thorium
- Stellar Iron Abundances: non-LTE Effects
- On the Initial Mass Function of Population III Stars
- Variations in the Abundance Pattern of Extremely Metal-poor Stars and Nucleosynthesis in Population III Supernovae
- The Spite Lithium Plateau: Ultra-Thin but Post-Primordial
- Improved Color-Temperature Relations and Bolometric Corrections for Cool Stars
- Line formation in solar granulation VI. [C I], C I, CH and C2 lines and the photospheric C abundance
- The first chemical enrichment in the universe and the formation of hyper metal-poor stars
- Extremely Metal-Poor Stars. VIII. High-Resolution, High-Signal-To-Noise Analysis of Five Stars with [Fe/H] < -3.5
- HE0107-5240, A Chemically Ancient Star.I. A Detailed Abundance Analysis
- Is HE0107-5240 A Primordial Star? -- The Characteristics of Extremely Metal-Poor Carbon-Rich Stars --
- The evolution of the C/O ratio in metal-poor halo stars
- A Subaru/HDS study of Lead (Pb) abundances in eight s-process-element-rich, metal-poor stars
- Spectroscopic Studies of Very Metal-Poor Stars with the Subaru High Dispersion Spectrograph. III. Light Neutron-Capture Elements
- First Stars II. Elemental abundances in the extremely metal-poor star CS 22949--037: A diagnostic of early massive supernovae
- Abundances In Very Metal Poor Dwarf Stars
- Probing the Neutron-Capture Nucleosynthesis History of Galactic Matter
- The Hamburg/ESO R-process Enhanced Star survey (HERES). I. Project description, and discovery of two stars with strong enhancements of neutron-capture elements
- Detailed analysis of Balmer lines in cool dwarf stars
- Halo Star Lithium Depletion
- Kinetic equilibrium of iron in the atmospheres of cool stars III. The ionization equilibrium of selected reference stars
- Analysis of the carbon-rich very metal-poor dwarf G77-61
- Galactic Evolution of Nitrogen
- Chemical Composition of the Carbon-rich, Extremely Metal-Poor Star CS 29498--043: A New Class of Extremely Metal-Poor Stars with Excesses of Magnesium and Silicon
- Chemical Evolution of the Galactic Halo through Supernova-Induced Star Formation and Its Implication for Population III Stars
- On the origin of HE0107-5240, the most iron deficient star presently known
- Non-LTE Analysis for the Sodium Abundances of Metal-Poor Stars in the Galactic Disk and Halo
- On the oxygen abundance of HE0107-5240
- Cooler and bigger than thought? Planetary host stellar parameters from the InfraRed Flux Method
- Oxygen Overabundance in the Extremely Iron-Poor Star CS29498-043
- Nitrogen abundances in Planet-harbouring stars
- Rapid rotation of ultra-Li-depleted halo stars and their association with blue stragglers
- Stellar Archaeology: a Keck Pilot Program on Extremely Metal-Poor Stars From the Hamburg/ESO Survey. I Stellar Parameters
- The Southern Proper Motion Program III. A Near-Complete Catalog to V=17.5
- Models for extremely metal-poor halo stars
- Extremely Metal-Poor Stars. VII. The Most Metal-Poor Dwarf, CS 22876-032
- Excavation of the first stars
- Neutrino Interactions in the Outflow from Gamma-Ray Burst Accretion Disks
- Nucleosynthesis inside Gamma-Ray Burst Accretion Disks
- Evolution and nucleosynthesis of primordial low mass stars
- Relics of subluminous supernovae in metal-poor stars
- Lithium 6104A in Population II stars
Cited by in corpus (146)
- The s Process: Nuclear Physics, Stellar Models, Observations
- Nucleosynthesis Yields of Core-Collapse Supernovae and Hypernovae, and Galactic Chemical Evolution
- An absolutely calibrated effective temperature scale from the InfraRed Flux Method
- Nucleosynthesis and Evolution of Massive Metal-Free Stars
- Near-Field Cosmology with Metal-Poor Stars
- Lithium isotopic abundances in metal-poor halo stars
- The Most Metal-Poor Stars. II. Chemical Abundances of 190 Metal-Poor Stars Including 10 New Stars With [Fe/H] < -3.5
- Carbon-Enhanced Metal-Poor Star Frequencies in the Galaxy: Corrections for the Effect of Evolutionary Status on Carbon Abundances
- Very low metallicity massive star models: Pre-SN evolution and primary nitrogen production
- HE 0557-4840 - Ultra-Metal-Poor and Carbon-Rich
- The Most Metal-Poor Stars. IV. The Two Populations With [Fe/H] < -3.0
- A non-LTE study of neutral and singly-ionized calcium in late-type stars
- The s process in massive stars at low metallicity. Effect of primary N14 from fast rotating stars
- Observational Constraints on First-Star Nucleosynthesis. I. Evidence for Multiple Progenitors of CEMP-no Stars
- The stellar content of the Hamburg/ESO survey. IV. Selection of candidate metal-poor stars
- Bright Metal-Poor Stars from the Hamburg/ESO Survey. I. Selection and Follow-up Observations from 329 Fields
- TOPoS: II. On the bimodality of carbon abundance in CEMP stars. Implications on the early chemical evolution of galaxies
- Binarity in Carbon-Enhanced Metal-Poor stars
- High-Resolution Spectroscopy of Extremely Metal-Poor Stars from SDSS/SEGUE: I. Atmospheric Parameters and Chemical Compositions
- Lithium Abundances of Extremely Metal-Poor Turn-off Stars
- HE 1327-2326, an unevolved star with [Fe/H]<-5.0. II. New 3D-1D corrected abundances from a VLT/UVES spectrum
- Evolution and Nucleosynthesis of Extremely Metal Poor & Metal-Free Low- and Intermediate-Mass Stars I: Stellar Yield Tables and the CEMPs
- An Elemental Assay of Very, Extremely, and Ultra Metal-Poor Stars
- Carbon-enhanced metal-poor stars: the most pristine objects?
- Nitrogen enhancements 440 Myr after the Big Bang: super-solar N/O, a tidal disruption event or a dense stellar cluster in GN-z11?
- JINAbase: A database for chemical abundances of metal-poor stars
- Stellar Archaeology -- Exploring the Universe with Metal-Poor Stars
- The stellar content of the Hamburg/ESO survey. V. The metallicity distribution function of the Galactic halo
- The Initial mass function of the first stars inferred from extremely metal-poor stars
- The Most Metal-Poor Stars. III. The Metallicity Distribution Function and CEMP Fraction
- The role of neutron star mergers in the chemical evolution of the Galactic halo
- Deriving Stellar Effective Temperatures of Metal-Poor Stars with the Excitation Potential Method
- Non-LTE line formation for heavy elements in four very metal-poor stars
- The s-process in the Galactic halo: the fifth signature of spinstars in the early Universe?
- The Nucleosynthetic Imprint of 15-40 Solar Mass Primordial Supernovae on Metal-Poor Stars
- The Stellar Abundances for Galactic Archaeology (SAGA) Database II - Implications for Mixing and Nucleosynthesis in Extremely Metal-Poor Stars and Chemical Enrichment of the Galaxy
- The Best and Brightest Metal-Poor Stars
- First stars X. The nature of three unevolved Carbon-Enhanced Metal-Poor stars
- The role of binaries in the enrichment of the early Galactic halo. II. Carbon-Enhanced Metal-Poor Stars - CEMP-no stars
- Presupernova evolution and explosive nucleosynthesis of zero metal massive stars
- The chemical compositions of the extreme halo stars HE0107-5240 and HE1327-2326 inferred from 3D hydrodynamical model atmospheres
- Mixing in Zero and Solar Metallicity Supernovae
- The Hamburg/ESO R-process Enhanced Star survey (HERES) IV. Detailed abundance analysis and age dating of the strongly r-process enhanced stars CS 29491-069 and HE 1219-0312
- Abundances of Sr, Y, and Zr in Metal-Poor Stars and Implications for Chemical Evolution in the Early Galaxy
- An Extremely Carbon-rich, Extremely Metal-poor Star in the Segue 1 System
- A Search for Nitrogen-Enhanced Metal-Poor Stars
- Elemental abundances and classification of CEMP stars
- Explaining the Ba, Y, Sr, and Eu abundance scatter in metal-poor halo stars: constraints to the r-process
- Neutron-Capture Nucleosynthesis in the First Stars
- Nucleosynthesis in a Primordial Supernova: Carbon and Oxygen Abundances in SMSS J031300.36-670839.31
- Non standard s-process in massive rotating stars. Yields of models at
- JADES: Carbon enrichment 350 Myr after the Big Bang in a gas-rich galaxy
- Faint Population III supernovae as the origin of the most iron-poor stars
- The lowest detected stellar Fe abundance: The halo star SMSS J160540.18-144323.1
- The Hamburg/ESO R-process Enhanced Star survey (HERES) X. HE 2252-4225, one more r-process enhanced and actinide-boost halo star
- BD +44 493: A Ninth Magnitude Messenger from the Early Universe; Carbon Enhanced and Beryllium Poor
- From First Stars to the Spite Plateau: a Possible Reconciliation of Halo Stars Observations with Predictions from Big Bang Nucleosynthesis
- Spectroscopic analysis of metal-poor stars from LAMOST: early results
- Are There Any Stars Lacking Neutron-Capture Elements? Evidence from Strontium and Barium
- Chemical Abundance Analysis of the Extremely Metal-Poor Star HE 1300+0157
- The Most Metal-Poor Stars. I. Discovery, Data, and Atmospheric Parameters
- Chemical Analysis of the Ninth Magnitude Carbon-Enhanced Metal-Poor Star BD+44 493
- Evolution and nucleosynthesis of extremely metal-poor and metal-free low- and intermediate-mass stars II. s-process nucleosynthesis during the core He flash
- Metal-Poor Stars Observed with the Magellan Telescope I. Constraints on Progenitor Mass and Metallicity of AGB Stars Undergoing s-Process Nucleosynthesis
- Evidence for an aspherical Population III supernova explosion inferred from the hyper metal-poor star HE1327-2326
- Neutron-capture element deficiency of the Hercules dwarf spheroidal galaxy
- Stellar Yields of Rotating First Stars. I. Yields of Weak Supernovae and Abundances of Carbon-enhanced Hyper Metal Poor Stars
- Metal-Poor Stars Observed with the Magellan Telescope II. Discovery of Four Stars with [Fe/H] < -3.5
- The SkyMapper DR1.1 Search for Extremely Metal-Poor Stars
- Bright Metal-Poor Stars from the Hamburg/ESO Survey. II. A Chemodynamical Analysis
- Chemical Inhomogeneities in the Milky Way Stellar Halo
- Carbon-Enhanced Hyper-metal-poor Stars and the Stellar IMF at Low Metallicity
- Uncertainties in Supernova Yields I: 1D Explosions
- High-resolution spectroscopic studies of ultra metal-poor stars found in LAMOST survey
- The Spatial Distribution of the Galactic First Stars I: High-Resolution N-body Approach
- Evolution of Low- and Intermediate-Mass Stars with [Fe/H] <= -2.5
- Influence of inelastic collisions with hydrogen atoms on the non-LTE modelling of Ca I and Ca II lines in late-type stars
- Permitted Oxygen Abundances and the Temperature Scale of Metal-Poor Turn-Off Stars
- Following the Cosmic Evolution of Pristine Gas II: The search for Pop III-Bright Galaxies
- Measurement of the reaction O-17(α,n)Ne-20 and its impact on the s process in massive stars
- Hubble Space Telescope Near-Ultraviolet Spectroscopy of Bright CEMP-s Stars
- The benchmark halo giant HD 122563: CNO abundances revisited with three-dimensional hydrodynamic model stellar atmospheres
- NLTE line formation for Mg\ione\ and Mg\ii\ in atmospheres of B-A-F-G-K stars
- Experimental Mg I oscillator strengths and radiative lifetimes for astrophysical applications on metal-poor stars - New data for the Mg I b triplet
- The evolution of CNO elements in galaxies
- Ultra metal-poor stars: Spectroscopic determination of stellar atmospheric parameters using iron Non-LTE line abundances
- Following The Cosmic Evolution Of Pristine Gas I: Implications For Milky Way Halo Stars
- The Most Metal-Poor Stars. V. The CEMP-no Stars in 3D and Non-LTE
- The occurrence of nitrogen-enhanced metal-poor stars: implications for the initial mass function in the early Galactic halo
- Could the Ultra Metal-poor Stars be Chemically Peculiar and Not Related to the First Stars?
- G64-12 and G64-37 are Carbon-Enhanced Metal-Poor Stars
- Binary Formation with Different Metallicities: Dependence on Initial Conditions
- High-resolution spectroscopy of extremely metal-poor stars from SDSS/SEGUE. III. Unevolved Stars with
- The stellar content of the Hamburg/ESO survey VI. The metallicity distribution of main-sequence turnoff stars in the Galactic halo
- WHT follow-up observations of extremely metal-poor stars identified from SDSS and LAMOST
- Stellar Winds and Coronae of Low-mass Pop. II/III Stars
- High resolution spectroscopic follow-up of the most metal-poor candidates from SkyMapper DR1.1
- Stability analysis of supermassive primordial stars: a new mass range for general relativistic instability supernovae
- Metal-poor Stars Observed with the Automated Planet Finder Telescope. II. Chemodynamical Analysis of Six Low-Metallicity Stars in the Halo System of the Milky Way
- Formation History of Metal-Poor Halo Stars with Hierarchical Model and the Effect of ISM accretion on the Most Metal-Poor Stars
- Galactic Chemical Evolution of the s Process from AGB Stars
- J0815+4729: A chemically primitive dwarf star in the Galactic Halo observed with Gran Telescopio Canarias
- The effects of stellar winds of fast-rotating massive stars in the earliest phases of the chemical enrichment of the Galaxy
- Effects of Long-lived 10 MeV Scale Sterile Neutrino on Primordial Elemental Abundances and Effective Neutrino Number
- Lithium in CEMP-no stars: A new constraint on the lithium depletion mechanism in the early universe
- Consistent Iron Abundances Derived from Neutral and Singly-Ionized Iron Lines in Ultraviolet and Optical Spectra of Six Warm Metal-Poor Stars
- HE 1327-2326, an unevolved star with [Fe/H] < -5.0 III. Does Its Atmosphere Reflect Its Natal Composition?
- New ultra metal-poor stars from SDSS: follow-up GTC medium-resolution spectroscopy
- Modelling the chemical evolution of the Galaxy halo
- A bound on the 12C/13C ratio in near-pristine gas with ESPRESSO
- Blocking metal accretion onto population III stars by stellar wind
- The Origin of the Heaviest Metals in Most Ultra-Faint Dwarf Galaxies
- Searching for Dust around Hyper Metal-Poor Stars
- Age Aspects of Habitability
- Carbon Rich Extremely Metal Poor Stars: Signatures of Population-III AGB stars in Binary Systems
- Oxygen-enhanced extremely metal-poor DLAs: A signpost of the first stars?
- Oxygen and light element synthesis by neutron-capture reactions in metal-free and extremely metal-poor AGB stars
- On the 12C/13C isotopic ratio at the dawn of chemical evolution
- Investigation of a sample of carbon-enhanced metal-poor stars observed with FORS and GMOS
- An upper limit on the sulphur abundance in HE 1327-2326
- A Critique of the Spite Plateau, and the Astration of Primordial Lithium
- The AMBRE Project: searching for the closest solar siblings
- Metal Pollution of Low-Mass Population III Stars through Accretion of Interstellar Objects like `Oumuamua
- Chemical analysis of very metal-poor turn-off stars from SDSS-DR12
- Detailed abundances in a sample of very metal poor stars
- Coronae of Zero/Low-Metal Low-Mass Stars
- Astrophysics in 2006
- Spectroscopic study of four metal-poor carbon stars from the Hamburg/ESO Survey: On confirming the low-mass nature of their companions
- 7Be charge exchange between 7Be3+ ion and exotic long-lived negatively charged massive particle in big bang nucleosynthesis
- The intermediate neutron capture process. I. Development of the i-process in low-metallicity low-mass AGB stars
- Probing the nucleosynthetic contribution of low-metallicity, low-mass star companions of CEMP stars
- A new model for the origin of very metal poor stars and their chemical composition
- Accurate Metallicities for Very Metal-Poor Stars from the Ca~II Infrared Triplet
- Condition for dust evacuation from the first galaxies
- A survey of extremely metal-poor gas at cosmic noon: evidence of elevated [O/Fe]
- Automated Determination of [Fe/H] and [C/Fe] from Low-Resolution Spectroscopy
- Revisiting the iron abundance in the hyper iron-poor star HE1327-2326 with UV COS/ data
- Extremely Metal-Poor Star Candidates in the SDSS
- 3D non-LTE Ca II line formation in metal-poor FGK stars. I. Abundance corrections, radial velocity corrections, and synthetic spectra
- The evolved pulsating CEMP star HD112869
- Exploring the Universe with Metal-Poor Stars
- The metal-poorest tail of the Galactic halo: hypothesis on its origin from precise spectral analysis
- The impact of new (, n) reaction rates on the weak s-process in metal-poor massive stars
- First Stars -- Type Ib Supernovae Connection
- The Connection between Gamma-Ray Bursts and Extremely Metal-Poor Stars as Nucleosynthetic Probes of the Early Universe
- Early Cosmic Chemical Evolution: Relating the Origin of a Diffuse Intergalactic Medium and the First Long-Lived Stars