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Record W4385367456 · doi:10.22323/1.444.0762

VERITAS Observations of MGRO J1908+06

2023· article· en· W4385367456 on OpenAlexfundno aff
T. K. Kleiner

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldPhysics and Astronomy
TopicAstrophysics and Cosmic Phenomena
Canadian institutionsnot available
FundersNatural Sciences and Engineering Research Council of CanadaNational Energy Research Scientific Computing CenterU.S. Department of EnergyOffice of ScienceSmithsonian InstitutionNational Science Foundation
KeywordsPhysicsPulsar wind nebulaSupernova remnantPulsarGalactic planeAstrophysicsGamma rayAstronomySupernovaParticle accelerationObservatoryNebulaMolecular cloudAccelerationStars

Abstract

fetched live from OpenAlex

MGRO J1908+06 is an extended and powerful source of gamma-ray emission located at (lon$=40.39$, lat$=-0.79$). It was first detected by the Milagro observatory in a northern galactic plane survey in 2007. It has been the subject of numerous studies in an effort to understand the origin of its gamma-ray emission. Several potential counterparts have been suggested, including the supernova remnant G40.5-0.5 and the pulsar J1907+0602. The observed Tera-electronvolt emission may originate from interactions between the pulsar wind nebula and molecular clouds or the supernova remnant shell. However, the question of the true nature of the source remains open, mainly due to the existence of multiple potential counterparts. Recent observations of emission exceeding several hundred TeV make MGRO J1908+06 a strong contender for a Pevatron — a source with the ability to accelerate particles to Peta-electronvolt energies. The detected emission at such high energies inidcates the presence of an extremely powerful and efficient particle acceleration mechanism within this source. Over a span of more than 10 years, the MGRO J1908+06 region has been observed by VERITAS for approximately 130h. This allows to study the energy dependent morphology of the source and a leptonic origin of the gamma-ray emission is investigated.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.015
Threshold uncertainty score0.030

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0030.001

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.026
GPT teacher head0.235
Teacher spread0.209 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations2
Published2023
Admission routes1
Has abstractyes

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