The dust enrichment of galaxies: supernovae and evolved stars

星系的尘埃富集：超新星和演化的恒星

• 批准号: PP/D00148X/1
• 负责人: Michael Barlow
• 金额: $ 23.47万
• 依托单位: University College London
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2006
• 资助国家: 英国
• 起止时间: 2006 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=PP%2FD00148X%2F1
• 关键词: dust; enrichment; galaxies; supernovae; evolved

Supernovae occupy a pivotal position in astrophysics, not only because of their importance as standard candles and cosmological probes but also because of the prime role that they play in determining the overall energetics, mass recycling rate and heavy-element enrichment of galaxies. It has been hypothesised that supernovae (SNe) may be a major, or even dominant, source of dust particles in the Universe. Indirect support for this supposition comes from the fact that many of the earliest-formed galaxies known are extremely dusty and IR-luminous, as evidenced by the efficient detection of their redshifted dust emission at submillimetre wavelengths by SCUBA and other instruments. It seems that only massive stars can have produced the observed dust over the short timescales implied, either during during dusty mass-losing phases prior to the SN event or else within the expanding and cooling ejecta from the SN event. Dust formation models confirm that newly formed dust in SN ejecta should become detectable at mid-IR wavelengths within 1-2 years of outburst and that the mid-IR is particularly suitable to trace the onset of dust formation in SNe and to determine the amount of dust formed. With the advent of ground-based 8-m telescopes equipped with sensitive mid-IR instruments, such as Gemini's Michelle and TReCS, and the launch of the Spitzer Space Telescope (SST), sufficient sensitivity has become available to embark on searches for mid-IR emission from supernovae in nearby galaxies. Our SEEDS collaboration (Survey for Extragalactic Emission from Dust in Supernovae), composed of astronomers from North America and Europe, has obtained SST time to search for mid-IR dust emission from nearby supernovae hundreds of days after their outbursts, using the IRAC and MIPS instruments. In addition, we have accessed SINGS Legacy SST data on a number of nearby galaxies that have been obtained with the same instruments, in order to search for mid-IR emission from recent SNe within these galaxies. This proposal seeks continued postdoctoral funding in order to allow completion of the supernova dust project. In addition, new far-infrared and submillimetre mapping observations of extended dust shells around evolved stars will be obtained as part of Herschel Space Observatory Guaranteed Time observations following its launch by ESA in 2007, with the aim of addressing the `missing mass' problem for low and intermediate mass stars.

超新星在天体物理学中占据了关键地位，这不仅是因为它们作为标准蜡烛和宇宙学探针的重要性，而且还因为它们在确定整体能量，质量回收率和重元素的富集星系中所发挥的主要作用。已经假设超新星（SNE）可能是宇宙中尘埃颗粒的主要或占主导地位的来源。对这种假设的间接支持来自以下事实：许多已知的最早形成的星系是极端尘土和ir露的，这可以有效地检测出阴肺和其他仪器在亚毫升波长下的红移粉尘发射的有效检测。看来，只有大量恒星才能在SN事件之前的尘土大损失阶段，或者在SN事件的扩张和冷却弹射中，在尘土飞扬的阶段期间，可以产生所观察到的灰尘。尘埃形成模型证实，在爆发后的1 - 2年内，应在IR中部波长中检测到新形成的灰尘，并且MID-IR特别适合追踪SNE中灰尘形成的发作并确定形成的灰尘量。随着配备了敏感的MID-IR乐器（例如Gemini's Michelle和Trecs）的8 m望远镜的出现，以及Spitzer Space望远镜（SST）的推出，已经可以使用足够的敏感性来搜索附近Galaxies中超级novae的Mid-Ir发射。我们的种子合作（由北美和欧洲的天文学家组成的超新星的尘埃进行尘埃排放的调查）已获得了SST的时间，使用IRAC和MIPS Instruments爆发后数百天后，从附近的超新星搜索中IIR粉尘排放。此外，我们已经访问了有关使用相同仪器获得的许多附近星系的传统SST数据，以便在这些星系中搜索最近SNE的MID-IR发射。该提案寻求持续的博士后资金，以允许完成超新星尘埃项目。此外，作为ESA于2007年推出后，将获得对进化恒星周围扩展的尘埃壳的新远红外和亚毫米图映射观测值，以解决低层和中间质量星的“缺失质量”问题。

项目成果

Erratum: Dust yields in clumpy supernova shells: SN 1987A revisited

勘误：块状超新星壳中的尘埃产量：SN 1987A 重新审视

• DOI: 10.1111/j.1365-2966.2007.11994.x
• 发表时间: 2007
• 期刊: Monthly Notices of the Royal Astronomical Society
• 影响因子: 4.8
• 作者: Ercolano B

IPHAS A-TYPE STARS WITH MID-INFRARED EXCESSES IN SPITZER SURVEYS

斯皮策观测中中红外过量的 IPHAS A 型恒星

• DOI: 10.1088/0004-637x/695/1/75
• 发表时间: 2009
• 期刊: The Astrophysical Journal
• 作者: Hales A

Dust yields in clumpy supernova shells: SN 1987A revisited

• DOI: 10.1111/j.1365-2966.2006.11336.x
• 发表时间: 2006-11
• 期刊: Monthly Notices of the Royal Astronomical Society
• 影响因子: 4.8
• 作者: B. Ercolano;M. Barlow;B. Sugerman

Integral field spectroscopy of planetary nebulae: mapping the line diagnostics and hydrogen-poor zones with VLT FLAMES

• DOI: 10.1111/j.1365-2966.2008.13051.x
• 发表时间: 2008-02
• 期刊: Monthly Notices of the Royal Astronomical Society
• 影响因子: 4.8
• 作者: Y. Tsamis;J. Walsh;D. P'equignot;M. Barlow;I. J. Danziger;X.-W. Liu Ucl;ECF-ESO;Meudon;Trieste;Beijing

The UV-Excess survey of the northern Galactic plane

银河系北部平面的紫外线过量调查

• DOI: 10.1111/j.1365-2966.2009.15273.x
• 发表时间: 2009
• 期刊: Monthly Notices of the Royal Astronomical Society
• 影响因子: 4.8
• 作者: Groot P