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ShowingImportancePrizesTopicAstrophysics29 claims

The branch of astronomy dealing with the physics of celestial objects and phenomena, including stars, galaxies, compact objects, and cosmology.

The X-ray absorption column density toward HESS J1731-347 exceeds the total foreground gas column in front of the Scutum-Crux arm
SupportedEvidence favors the claim, but the chain is incomplete or the sources are secondary.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347X-ray Absorption Column Densityimportance · minorImportance 0.35, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Some compact star observations are difficult to explain with conventional neutron star models
SupportedEvidence favors the claim, but the chain is incomplete or the sources are secondary.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionNeutron Star Exotic Physicsimportance · minorImportance 0.35, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
The pulsar XTE J1814-338 has an inferred radius of about 7 km, smaller than neutron star models predict
VerifiedThe claim traces to reliable primary sources through a clear chain of evidence.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionXTE J1814-338Compact Object Mass and RadiusNeutron Star Exotic Physicsimportance · minorImportance 0.35, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
X-ray absorption compared with CO and HI gas columns places HESS J1731-347 at least 3.2 kiloparsecs away
ContestedCredible evidence or argument exists on multiple sides.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347Central Compact Objectsimportance · notableImportance 0.45, from 0 to 1 · notable: a contested point in a live debate (also the default before judging). Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
The optical star IRAS 17287-3443 is physically associated with the supernova remnant HESS J1731-347
ContestedCredible evidence or argument exists on multiple sides.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347importance · notableImportance 0.50, from 0 to 1 · notable: a contested point in a live debate (also the default before judging). Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
The X-ray spectrum of the compact object in HESS J1731-347 is well described by a uniform-temperature carbon atmosphere model
VerifiedThe claim traces to reliable primary sources through a clear chain of evidence.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347Neutron Star Atmosphere ModelsCentral Compact Objectsimportance · minorImportance 0.35, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Hydrogen-atmosphere hot-spot models fit the X-ray spectrum of HESS J1731-347 as well as carbon-atmosphere models
VerifiedThe claim traces to reliable primary sources through a clear chain of evidence.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347Neutron Star Atmosphere ModelsCentral Compact Objectsimportance · notableImportance 0.45, from 0 to 1 · notable: a contested point in a live debate (also the default before judging). Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Stable microscopic black holes produced by cosmic rays striking white dwarfs or neutron stars would be stopped inside those stars, whether charged or neutral.
SupportedEvidence favors the claim, but the chain is incomplete or the sources are secondary.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionMicro black holesCosmic raysNeutron Star Exotic Physicsimportance · minorImportance 0.40, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
The supernova remnant HESS J1731-347 lies at a distance of about 2.5 kiloparsecs
ContestedCredible evidence or argument exists on multiple sides.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347importance · notableImportance 0.45, from 0 to 1 · notable: a contested point in a live debate (also the default before judging). Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
The compact object in HESS J1731-347 has a mass near 0.77 solar masses and a radius near 10.4 km
ContestedCredible evidence or argument exists on multiple sides.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionCompact Object Mass and RadiusHESS J1731-347Central Compact Objectsimportance · notableImportance 0.60, from 0 to 1 · notable: a contested point in a live debate (also the default before judging). Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
The single uniform-temperature hotspot model adequately describes XTE J1814-338's burst oscillation pulse profiles for mass-radius inference
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionBurst Oscillation Pulse Profile ModelingXTE J1814-338Compact Object Mass and Radiusimportance · minorImportance 0.30, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
The spatial pattern of X-ray absorption across HESS J1731-347 correlates with Scutum-Crux arm molecular gas
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347X-ray Absorption Column Densityimportance · minorImportance 0.25, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
The X-ray-absorbing material toward HESS J1731-347 is distributed along the line of sight rather than concentrated near 3 kiloparsecs
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347X-ray Absorption Column Densityimportance · minorImportance 0.30, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Pulsar glitches are difficult to explain with strange quark star models
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionNeutron Star Exotic PhysicsDense Quark Matterimportance · minorImportance 0.30, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Inferred masses and radii of compact stars depend strongly on assumed distance and atmosphere composition
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionCompact Object Mass and RadiusNeutron Star Atmosphere Modelsimportance · minorImportance 0.30, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Pulsar glitches arise from angular momentum transfer by superfluid vortex unpinning in the neutron star crust
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionNeutron Star Exotic Physicsimportance · minorImportance 0.25, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
HESS J1731-347 is associated with atomic gas at a kinematic distance of 5.2 to 6 kiloparsecs
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347importance · minorImportance 0.30, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Extended infrared emission toward the center of HESS J1731-347 traces dust heated by IRAS 17287-3443
SupportedEvidence favors the claim, but the chain is incomplete or the sources are secondary.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347Infrared dust emissionimportance · minorImportance 0.30, from 0 to 1 · minor: narrow or largely settled, cheap to get right. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Radiative losses in strong neutron-star magnetospheres degrade incoming ultra-high-energy protons' energy before surface impact.
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionNeutron Star Exotic PhysicsCosmic raysimportance · settledImportance 0.15, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Most neutron stars have surface magnetic fields of at least about 10^8 gauss.
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionNeutron Star Magnetic Fieldsimportance · settledImportance 0.10, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Extended infrared emission is detected toward the center of the supernova remnant HESS J1731-347
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347Infrared dust emissionimportance · settledImportance 0.15, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
X-ray spectral fits toward HESS J1731-347 yield absorption columns of roughly 1.0 to 1.5 × 10^22 hydrogen atoms per square centimeter
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347X-ray Absorption Column DensityCentral Compact Objectsimportance · settledImportance 0.20, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
The Scutum-Crux spiral arm toward HESS J1731-347 lies at a kinematic distance of about 3.2 kiloparsecs
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347importance · settledImportance 0.15, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Standard nuclear-matter equations of state predict radii of about 11 to 13 km for neutron stars near 1.2 solar masses
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionNeutron Star Equation of StateCompact Object Mass and Radiusimportance · settledImportance 0.20, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
IRAS 17287-3443 lies in projection close to the central compact object of HESS J1731-347
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionHESS J1731-347IRAS 17287-3443importance · settledImportance 0.15, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Hot-spot thermal emission from a rotating neutron star generically produces detectable X-ray pulsations
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionNeutron Star Thermal X-ray PulsationsPulsation Non-detection Geometry Constraintsimportance · settledImportance 0.20, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Gaia parallax places the optical star IRAS 17287-3443 at a distance of about 2.5 kiloparsecs
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionIRAS 17287-3443Post-AGB Starsimportance · settledImportance 0.15, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
White dwarf and neutron star interiors are vastly denser than terrestrial matter.
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionWhite dwarfsNeutron Star Equation of Stateimportance · settledImportance 0.10, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution
Old white dwarfs and neutron stars are observed to survive for billions of years
UnassessedNo current assessment. Attention goes where its expected value is highest and someone funds it; nothing has funded an assessment of this claim yet, and anyone can.constitutionempirical · derivedA factual claim that rests on inference from other evidence rather than direct observation.constitutionWhite dwarfsStellar Remnant Longevityimportance · settledImportance 0.10, from 0 to 1 · settled: uncontested, so low even when much depends on it. Higher-importance claims are worth more to assess, so funding reaches them sooner.constitution

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