C^18^O/C^17^O near rho Oph

B2FIND2026-04-11 收录

星系化学丰度

分子谱线观测

数据链接：

https://b2find.eudat.eu/dataset/65e6f01d-acc9-541c-99cc-f1c48d47b5e7 数据链接链接失效反馈

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Observations of up to ten carbon monoxide (CO and isotopomers) transitions are presented to study the interstellar C^18^O/C^17^O ratio towards 21 positions in the nearby...

13.7米毫米波射电望远镜观测数据

射电天文

分子谱线观测

13.7米毫米波射电望远镜观测产出的毫米波分子谱线数据，有三种观测数据。第一种是按观测者需求，采用单点观测模式观测的数据，每条谱线对应一个一维fits文件，数据库表中一条记录对应一个文件的头信息，自2003年至今(2023.06,下同)共观测323万多条谱线。第二种是按观测者需求采用OTF模式观测的数据，每天对同一个区域成图扫描结果，合拼叠加后生成2个fits cube文件，数据库表中一条记录对应

国家天文科学数据中心290

Mrk 231 CO(1-0) and CN(1-0) line observations

分子谱线观测

星系气体动力学

We present interferometric observations of the CN(1-0) line emission in Mrk 231 and combine them with previous observations of CO and other H_2_ gas tracers to study the...

B2FIND80

N/O ratio of dwarf galaxies from SDSS

星系化学丰度

矮星研究

VizieR online Data Catalogue associated with article published in journal Astronomical Journal (AAS) with title 'Large-scale environmental dependence of the abundance ratio of nitrogen to oxygen in bl

DataCite Commons2022-10-30 更新60

Updated O3N2 and N2 abundance indicators

星系化学丰度

恒星形成星系光谱

The use of integral field spectroscopy is since recently allowing to measure the emission line fluxes of an increasingly large number of star-forming galaxies both locally and...

B2FIND110

Interstellar extinction and elemental abundances

星际介质物理

星系化学丰度

While it is well recognized that both the Galactic interstellar extinction curves and the gas-phase abundances of dust-forming elements exhibit considerable variations from one...

B2FIND70

C^18^O/C^17^O near rho Oph

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