Can near-to-mid Infrared Spectral Energy Distribution Quantitatively Trace Protoplanetary Disk Evolution?

doi:10.1088/1674-4527/ad4b5c

	Can near-to-mid Infrared Spectral Energy Distribution Quantitatively Trace Protoplanetary Disk Evolution?
	Liu MC(刘明超)8,9,10; He JH(何金华)7,9,10; Guo, Zhen 4,5,6; Ge, Jixing 2,3; Tang, Yuping 1
刊名	RESEARCH IN ASTRONOMY AND ASTROPHYSICS
	2024-07-01
卷号	24 期号:7
关键词	stars: formation stars: pre-main sequence stars: protostars infrared: stars protoplanetary disks
ISSN号	1674-4527
DOI	10.1088/1674-4527/ad4b5c
产权排序	第1完成单位
文献子类	Article
英文摘要	Infrared (IR) spectral energy distribution (SED) is the major tracer of protoplanetary disks. It was recently proposed to use the near-to-mid IR (or K-24) SED slope alpha defined between 2 and 24 mu m as a potential quantitative tracer of disk age. We critically examine the viability of this idea and confront it with additional statistics of IR luminosities and SED shapes. We point out that, because the statistical properties of most of the complicated physical factors involved in disk evolution are still poorly understood in a quantitative sense, the only viable way is to assume them to be random so that an idealized average disk can be defined, which allows the alpha histogram to trace its age. We confirm that the statistics of the zeroth order (luminosity), first order (slope alpha), and second order characteristics (concavity) of the observed K-24 SEDs indeed carry useful information upon the evolutionary processes of the average disk. We also stress that intrinsic diversities in K-24 SED shapes and luminosities are always large at the level of individual stars so that the application of the evolutionary path of the average disk to individual stars must be done with care. The data of most curves in plots are provided on GitHub (Disk-age package https://github.com/starage/disk-age/).
学科主题	天文学 ; 恒星与银河系
URL标识	查看原文
出版地	20A DATUN RD, CHAOYANG, BEIJING, 100101, PEOPLES R CHINA
资助项目	Natural Science Foundation of Yunnan Province[202 201BC070003]; ANID FONDECYT Postdoctoral program[3 220 029]; ANID FONDECYT Postdoctoral program[NCN19_171]; Chinese Academy of Sciences (CAS); CAS South America Center for Astronomy (CASSACA) in Santiago, Chile
WOS关键词	YOUNG STELLAR OBJECTS ; GIANT PLANET FORMATION ; SPITZER C2D SURVEY ; STAR-FORMATION ; POPULATION SYNTHESIS ; RHO-OPHIUCHI ; INTERSTELLAR CLOUDS ; OBSERVATIONAL SIGNATURES ; CIRCUMSTELLAR DISKS ; MOLECULAR CLOUD
WOS研究方向	Astronomy & Astrophysics
语种	英语
出版者	NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
WOS记录号	WOS:001252993300001
资助机构	Natural Science Foundation of Yunnan Province[202 201BC070003] ; ANID FONDECYT Postdoctoral program[3 220 029, NCN19_171] ; Chinese Academy of Sciences (CAS) ; CAS South America Center for Astronomy (CASSACA) in Santiago, Chile
内容类型	期刊论文
版本	出版稿
源URL	[http://ir.ynao.ac.cn/handle/114a53/27428]
专题	云南天文台_大样本恒星演化研究组
作者单位	1.Shanghai Key Lab for Astrophysics, Shanghai Normal University, Shanghai 200234, China 2.Xinjiang Key Laboratory of Radio Astrophysics, Urumqi 830011, China; 3.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi 830011, China; 4.Millennium Institute of Astrophysics, Nuncio Monseñor Sotero Sanz 100, Of. 104, Providencia, Santiago, Chile; 5.Centre for Astrophysics Research, University of Hertfordshire, Hatfield AL10 9AB, UK; 6.Instituto de Física y Astronomía, Universidad de Valparaíso, ave. Gran Bretaña, 1111, Casilla 5030, Valparaíso, Chile; 7.Departamento de Astronomía, Universidad de Chile, Las Condes, 7591245 Santiago, Chile; 8.University of Chinese Academy of Sciences, Beijing 100049, China; 9.Chinese Academy of Sciences South America Center for Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China; 10.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China; lmch@ynao.ac.cn, jinhuahe@ynao.ac.cn;
推荐引用方式 GB/T 7714	Liu MC,He JH,Guo, Zhen,et al. Can near-to-mid Infrared Spectral Energy Distribution Quantitatively Trace Protoplanetary Disk Evolution?[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2024,24(7).
APA	刘明超,何金华,Guo, Zhen,Ge, Jixing,&Tang, Yuping.(2024).Can near-to-mid Infrared Spectral Energy Distribution Quantitatively Trace Protoplanetary Disk Evolution?.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,24(7).
MLA	刘明超,et al."Can near-to-mid Infrared Spectral Energy Distribution Quantitatively Trace Protoplanetary Disk Evolution?".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 24.7(2024).