The Gaia Data Release 1 parallaxes and the distance scale of Galactic planetary nebulae
文献类型：期刊论文
| 作者 | Stanghellini, Letizia2; Bucciarelli, Beatrice1,3; Lattanzi, Mario G.3; Morbidelli, Roberto3 |
| 刊名 | NEW ASTRONOMY
 |
| 出版日期 | 2017-11-01 |
| 卷号 | 57页码:6-13 |
| 关键词 | Parallaxes Stellar Distances Planetary Nebulae |
| ISSN号 | 1384-1076 |
| DOI | 10.1016/j.newast.2017.06.004 |
| 英文摘要 | In this paper we gauge the potentiality of Gala in the distance scale calibration of planetary nebulae (PNe) by assessing the impact of DR1 parallaxes of central stars of Galactic PNe (CSPNe) against known physical relations. For selected PNe targets with state-of-the-art data on angular sizes and fluxes, we derive the distance-dependent parameters of the classical distance scales, i.e., physical radii and ionized masses, from DR1 parallaxes; we propagate the uncertainties in the estimated quantities and evaluate their statistical properties in the presence of large relative parallax errors; we populate the statistical distance scale diagrams with this sample and discuss its significance in light of existing data and current calibrations. We glean from DR1 parallaxes 8 CSPNe with S/N>1. We show that this set of potential calibrators doubles the number of extant trigonometric parallaxes (from HST and ground-based), and increases by two orders of magnitude the domain of physical parameters probed previously. We then use the combined sample of suitable trigonometric parallaxes to fit the physical-radius-to-surface-brightness relation. This distance scale calibration, although preliminary, appears solid on statistical grounds, and suggestive of new PNe physics. With the tenfold improvement in PNe number statistics and astrometric accuracy expected from future Gaia releases the new distance scale, already very intriguing, will be definitively constrained. (C) 2017 Published by Elsevier B.V. |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000407404100002 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://119.78.226.72/handle/331011/32543]  |
| 专题 | 中国科学院上海天文台 |
| 通讯作者 | Stanghellini, Letizia |
| 作者单位 | 1.Chinese Acad Sci, Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China 2.Natl Opt Astron Observ, 950 N Cherry Ave, Tucson, AZ 85719 USA 3.Osserv Astron Torino, INAF, Via Osservatorio 20, I-10025 Pino Torinese, TO, Italy |
| 推荐引用方式 GB/T 7714 | Stanghellini, Letizia,Bucciarelli, Beatrice,Lattanzi, Mario G.,et al. The Gaia Data Release 1 parallaxes and the distance scale of Galactic planetary nebulae[J]. NEW ASTRONOMY,2017,57:6-13. |
| APA | Stanghellini, Letizia,Bucciarelli, Beatrice,Lattanzi, Mario G.,&Morbidelli, Roberto.(2017).The Gaia Data Release 1 parallaxes and the distance scale of Galactic planetary nebulae.NEW ASTRONOMY,57,6-13. |
| MLA | Stanghellini, Letizia,et al."The Gaia Data Release 1 parallaxes and the distance scale of Galactic planetary nebulae".NEW ASTRONOMY 57(2017):6-13. |
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来源：上海天文台
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