On the Spectral Shape of Non-recycled γ-ray Pulsars
More than 100 γ−ray pulsars have been discovered by the Fermi Gamma-ray Space Telescope. With a significantly enlarged sample size, it is possible to compare the properties of different classes. Radio-quiet (RQ) γ−ray pulsars form a distinct population, and various studies have shown that the prop...
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| Format: | Article |
| Language: | English |
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The Korean Space Science Society
2016-06-01
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| Series: | Journal of Astronomy and Space Sciences |
| Subjects: | |
| Online Access: | http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2016/v33n2/OJOOBS_2016_v33n2_101.pdf |
| _version_ | 1827362224908271616 |
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| author | Chung-Yue Hui Jongsu Lee |
| author_facet | Chung-Yue Hui Jongsu Lee |
| author_sort | Chung-Yue Hui |
| collection | DOAJ |
| description | More than 100 γ−ray pulsars have been discovered by the Fermi Gamma-ray Space Telescope. With a significantly enlarged
sample size, it is possible to compare the properties of different classes. Radio-quiet (RQ) γ−ray pulsars form a distinct
population, and various studies have shown that the properties of the RQ population can be intrinsically different from
those of radio-loud (RL) pulsars. Utilizing these differences, it is possible to further classify the pulsar-like unidentified
γ−ray sources into sub-groups. In this study, we suggest the possibility of distinguishing RQ/RL pulsars by their spectral
shape. We compute the probabilities of a pulsar to be RQ or RL for a given spectral curvature. This can provide a key to the
estimation of the intrinsic fraction of radio-quietness in the γ−ray pulsar population, which can place a tight constraint on
the emission geometry. |
| first_indexed | 2024-03-08T07:22:01Z |
| format | Article |
| id | doaj.art-180a5e2289f74895bd4d891b87f603fa |
| institution | Directory Open Access Journal |
| issn | 2093-5587 2093-1409 |
| language | English |
| last_indexed | 2024-03-08T07:22:01Z |
| publishDate | 2016-06-01 |
| publisher | The Korean Space Science Society |
| record_format | Article |
| series | Journal of Astronomy and Space Sciences |
| spelling | doaj.art-180a5e2289f74895bd4d891b87f603fa2024-02-02T22:54:37ZengThe Korean Space Science SocietyJournal of Astronomy and Space Sciences2093-55872093-14092016-06-0133210110410.5140/JASS.2016.33.2.101On the Spectral Shape of Non-recycled γ-ray PulsarsChung-Yue Hui0Jongsu Lee1Department of Astronomy, Space Sciences and Geology, Chungnam National University, Daejeon 34134, KoreaDepartment of Astronomy, Space Sciences and Geology, Chungnam National University, Daejeon 34134, KoreaMore than 100 γ−ray pulsars have been discovered by the Fermi Gamma-ray Space Telescope. With a significantly enlarged sample size, it is possible to compare the properties of different classes. Radio-quiet (RQ) γ−ray pulsars form a distinct population, and various studies have shown that the properties of the RQ population can be intrinsically different from those of radio-loud (RL) pulsars. Utilizing these differences, it is possible to further classify the pulsar-like unidentified γ−ray sources into sub-groups. In this study, we suggest the possibility of distinguishing RQ/RL pulsars by their spectral shape. We compute the probabilities of a pulsar to be RQ or RL for a given spectral curvature. This can provide a key to the estimation of the intrinsic fraction of radio-quietness in the γ−ray pulsar population, which can place a tight constraint on the emission geometry.http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2016/v33n2/OJOOBS_2016_v33n2_101.pdfgamma rays: stars - pulsars: genera |
| spellingShingle | Chung-Yue Hui Jongsu Lee On the Spectral Shape of Non-recycled γ-ray Pulsars Journal of Astronomy and Space Sciences gamma rays: stars - pulsars: genera |
| title | On the Spectral Shape of Non-recycled γ-ray Pulsars |
| title_full | On the Spectral Shape of Non-recycled γ-ray Pulsars |
| title_fullStr | On the Spectral Shape of Non-recycled γ-ray Pulsars |
| title_full_unstemmed | On the Spectral Shape of Non-recycled γ-ray Pulsars |
| title_short | On the Spectral Shape of Non-recycled γ-ray Pulsars |
| title_sort | on the spectral shape of non recycled γ ray pulsars |
| topic | gamma rays: stars - pulsars: genera |
| url | http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2016/v33n2/OJOOBS_2016_v33n2_101.pdf |
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