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Is Low-Frequency-Peaked BL Lac Object OJ 287 a TeV Emitter?

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Chen Liang, Bai Jin-Ming

Cosmology and Nongalactic Astrophysics · Submitted 13 Sep 2010

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim Taking into account the absorption of {\gamma}-ray by the extragalactic background light (EBL), we find that the TeV emission of OJ 287 in high state is slightly higher than the sensitivity of H.E.S.S.

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arXiv ID1009.2321 (version 1)
Pith IDF3FH7GPM, Pith's permanent record of this paper and its review
CitationBai Jin-Ming, Chen Liang. "Is Low-Frequency-Peaked BL Lac Object OJ 287 a TeV Emitter?." arXiv:1009.2321 (2010). https://pith.science/paper/F3FH7GPM
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 5,181 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.07 · states limitation 0.58 · human participants 0.01 · controlled comparison 0.10 · randomized assignment 0.01 · states quantitative result 0.68 · compares with prior results 0.59 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

It is well known that there are only two low-frequency-peaked BL Lac objects (LBLs: BL Lacertae and S5 0716+714) and one flat spectrum radio quasar (FSRQ: 3C 279) among more than 30 active galactic nuclei (AGNs) with detected TeV emissions. We study the spectral energy distribution (SED) of a famous LBL OJ 287, whose light curve has a 12-y period. Using a homogeneous one-zone synchrotron + synchrotron-self Compton model, we model the quasi-simultaneous broad-band SED of OJ 287. With some reasonable assumptions, we extrapolate the model to the high state of OJ 287 and predict its {\gamma}-ray emissions. Taking into account the absorption of {\gamma}-ray by the extragalactic background light (EBL), we find that the TeV emission of OJ 287 in high state is slightly higher than the sensitivity of H.E.S.S. The study on SEDs of OJ 287 has implications to unveil the origin of jet activity during its 12-y period and the properties of EBL.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 It is well known that there are only two low-frequency-peaked BL Lac objects (LBLs: BL Lacertae and S5 0716+714) and one flat spectrum radio quasar (FSRQ: 3C 279) among more than 30 active galactic nuclei (AGNs) with detected TeV emissions. background 0.99 0.04 0.03 asserted 1.00
s1 We study the spectral energy distribution (SED) of a famous LBL OJ 287, whose light curve has a 12-y period. contribution 0.97 0.79 0.03 asserted 0.94
s2 Using a homogeneous one-zone synchrotron + synchrotron-self Compton model, we model the quasi-simultaneous broad-band SED of OJ 287. method 0.96 0.95 0.02 asserted 0.98
s3 With some reasonable assumptions, we extrapolate the model to the high state of OJ 287 and predict its {\gamma}-ray emissions. method 0.78 0.94 0.07 asserted 0.77
s4 Taking into account the absorption of {\gamma}-ray by the extragalactic background light (EBL), we find that the TeV emission of OJ 287 in high state is slightly higher than the sensitivity of H.E.S.S. result 1.00 0.95 0.83 asserted 1.00
s5 The study on SEDs of OJ 287 has implications to unveil the origin of jet activity during its 12-y period and the properties of EBL. interpretation 1.00 0.40 0.08 hedged possibility 0.52

What kind of paper the classifier reports this is: theoretical result 0.73 · evidence from analysis of existing data 0.57.

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  • references and citing sentences
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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

It is well known that there are only two low-frequency-peaked BL Lac objects (LBLs: BL Lacertae and S5 0716+714) and one flat spectrum radio quasar (FSRQ: 3C 279) among more than 30 active galactic nuclei (AGNs) with detected TeV emissions. We study the spectral energy distribution (SED) of a famous LBL OJ 287, whose light curve has a 12-y period. Using a homogeneous one-zone synchrotron + synchrotron-self Compton model, we model the quasi-simultaneous broad-band SED of OJ 287. With some reasonable assumptions, we extrapolate the model to the high state of OJ 287 and predict its {\gamma}-ray emissions. Taking into account the absorption of {\gamma}-ray by the extragalactic background light (EBL), we find that the TeV emission of OJ 287 in high state is slightly higher than the sensitivity of H.E.S.S. The study on SEDs of OJ 287 has implications to unveil the origin of jet activity during its 12-y period and the properties of EBL.

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