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Record W3100671148

[no title]

2018· article· en· W3100671148 on OpenAlex
Tie Liu, Pak Shing Li, M. Juvela, Kee‐Tae Kim, Neal J. Evans, James Di Francesco, Sheng‐Yuan Liu, Jinghua Yuan, Ken’ichi Tatematsu, Qizhou Zhang, D. Ward–Thompson, G. A. Fuller, P. F. Goldsmith, Patrick M. Koch, Patricio Sanhueza, I. Ristorcelli, Sung-Ju Kang, Huei-Ru Vivien Chen, Naomi Hirano, Yuefang Wu, Vlas Sokolov, Chang Won Lee, G. J. White, Ke Wang, David Eden, Di Li, M. A. Thompson, Kate Pattle, Archana Soam, E. Nasedkin, Jongsoo Kim, Gwanjeong Kim, S. Lai, Geumsook Park, Keping Qiu, Chuan-Peng Zhang, Dana Alina, Chakali Eswaraiah, É. Falgarone, Michel Fich, J. S. Greaves, Qilao Gu, Woojin Kwon, Hua-bai Li, J. Malinen, Ludovic Montier, Harriet Parsons, Sheng‐Li Qin, Mark G. Rawlings, Zhiyuan Ren, Mengyao Tang, Ya‐Wen Tang, L. Viktor Tóth, Jia-Wei Wang, J. G. A. Wouterloot, Hee-Weon Yi, Huawei Zhang

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueKölner Universitäts PublikationsServer (Universität zu Köln) · 2018
Typearticle
Languageen
FieldPhysics and Astronomy
TopicAstrophysics and Star Formation Studies
Canadian institutionsUniversity of VictoriaUniversity of WaterlooHerzberg Institute of Astrophysics
Fundersnot available
KeywordsPhysicsMagnetic fieldAstrophysicsMolecular cloudPolarization (electrochemistry)Star formationTurbulenceGalaxyStarsMeteorology
DOInot available

Abstract

fetched live from OpenAlex

Magnetic field plays a crucial role in shaping molecular clouds and regulating star formation, yet the complete information on the magnetic field is not well constrained owing to the limitations in observations. We study the magnetic field in the massive infrared dark cloud G035.39-00.33 from dust continuum polarization observations at 850 mu m with SCUBA-2/POL-2 at JCMT for the first time. The magnetic field tends to be perpendicular to the densest part of the main filament (F-M), whereas it has a less defined relative orientation in the rest of the structure, where it tends to be parallel to some diffuse regions. A mean plane-of-the-sky magnetic field strength of similar to 50 mu G for F-M is obtained using the Davis-Chandrasekhar-Fermi method. Based on (CO)-C-13 (1-0) line observations, we suggest a formation scenario of F-M due to large-scale (similar to 10 pc) cloud-cloud collision. Using additional NH3 line data, we estimate that F-M will be gravitationally unstable if it is only supported by thermal pressure and turbulence. The northern part of F-M, however, can be stabilized by a modest additional support from the local magnetic field. The middle and southern parts of F-M are likely unstable even if the magnetic field support is taken into account. We claim that the clumps in F-M may be supported by turbulence and magnetic fields against gravitational collapse. Finally, we identified for the first time a massive (similar to 200 M-circle dot, collapsing starless clump candidate, c8, in G035.39-00.33. The magnetic field surrounding c8 is likely pinched, hinting at an accretion flow along the filament.

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.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Science and technology studies, Scholarly communication, Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.772
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.003
Science and technology studies0.0040.001
Scholarly communication0.0000.018
Open science0.0010.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0030.000

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 head0.009
GPT teacher head0.204
Teacher spread0.195 · 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