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| 題名: | The Pan-STARRS 1 discoveries of five new neptune trojans |
| 作者: | 陳文屏;Lin (林省文), Hsing Wen;Chen (陳英同), Ying-Tung;Holman, Matthew J.;Ip (葉永烜), Wing-Huen;Payne, M. J.;Lacerda, P.;Fraser, W. C.;Gerdes, D. W.;Bieryla, A.;Sie (謝宗富), Z.-F.;Chen (陳文屏), W.-P.;Burgett, W. S.;Denneau, L.;Jedicke, R.;Kaiser, N.;Magnier, E. A.;Tonry, J. L.;Wainscoat, R. J.;Waters, C. |
| 貢獻者: | 理學院天文研究所 |
| 關鍵詞: | Confidence;Inclination;Kuiper belt: general;Malware;minor planets, asteroids: general;Neptune;Origins;Physical properties;Pipelines;Simulation;surveys |
| 日期: | 2016-11-01 |
| 上傳時間: | 2026-04-21 14:58:37 (UTC+8) |
| 出版者: | IOP Publishing Ltd.;The American Astronomical Society |
| 摘要: | 摘要： ABSTRACT In this work, we report the detection of seven Neptune Trojans (NTs) in the Pan-STARRS 1 (PS1) survey. Five of these are new discoveries, consisting of four L4 Trojans and one L5 Trojan. Our orbital simulations show that the L5 Trojan stably librates for only several million years. This suggests that the L5 Trojan must be of recent capture origin. On the other hand, all four new L4 Trojans stably occupy the 1:1 resonance with Neptune for more than 1 Gyr. They can, therefore, be of primordial origin. Our survey simulation results show that the inclination width of the NT population should be between 7° and 27° at >95% confidence, and most likely ∼11°. In this paper, we describe the PS1 survey, the Outer Solar System pipeline, the confirming observations, and the orbital/physical properties of the new NTs.
其他題名： AJ
其他題名： Astron. J
出版者： The American Astronomical Society
出版日期： 2016-11-01
出處： The Astronomical journal, 2016-11, Vol.152 (5), p.147-147
資源來源： Institute of Physics Journals
版權： 2016. The American Astronomical Society. All rights reserved.
識別號： ISSN: 0004-6256
識別號： ISSN: 1538-3881
識別號： EISSN: 1538-3881
識別號： DOI: 10.3847/0004-6256/152/5/147 |
| 顯示於類別: | [天文研究所] 期刊論文
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