搜索结果: 1-15 共查到“知识库 红外天文学”相关记录78条 . 查询时间(5.187 秒)
玉兔二号巡视器已在月球表面工作了超过40个月昼，其搭载的红外成像光谱仪（VNIS）随着巡视器的行走路线已测得多个位置的红外成像光谱数据。VNIS 是用于研究着陆区月壤和月表岩石成分并追溯其来源的主要方法。然而，太空风化、颗粒大小与多次散射、仪器的光谱响应和观测条件等因素都会影响光谱特征，并导致由月球表面光谱数据计算得到的矿物成分存在很大不确定性。
GPU并行计算技术在赫歇尔天文台远红外巡天数据处理中的应用
GPU 并行计算 赫歇尔银道面红外巡天 数据处理方法
2013/12/2
赫歇尔远红外银道面巡天数据由于其高分辨率和大尺度特性而具有海量性，使用图像处理单元(GPU) 提高数据挖掘处理效率是海量数据处理中的一个重要环节。以GPU 在实际研究工作中的使用方法和思路为着眼点，结合赫歇尔远红外数据处理过程中GPU 的具体应用，介绍了GPU 并行数据处理技术在星际介质物理性质和三维结构研究中的应用。对赫歇尔远红外数据的处理挖掘使用GPU 加速的有两个部分：银道面温度图的每像素拟...
The Spatial Extent of (U)LIRGs in the Mid-Infrared. II. Feature Emission
Spatial Extent (U)LIRGs Feature Emission
2011/10/18
We present results from the second part of our analysis of the extended mid-infrared (MIR) emission of the Great Observatories All-Sky LIRG Survey (GOALS) sample based on 5-14 micron low-resolution sp...
Off-Axis Energy Variability of AGNs: a New Paradigm for Broad-Line- and Continuum-Emitting Regions
accretion, accretion disks—black hole physics—galaxies: active— galaxies: Seyfert — polarization — quasars: emission lines
2011/10/17
The general picture of how thermal AGNs work has become clearer in recent years but major observational puzzles threaten to undermine this picture. These puzzles include AGNs with extremely asymmetric...
Multi-wavelength observations of the young binary system Haro 6-10: The case of misaligned discs
Binary stars - Star Formation - Haro 6-10
2011/10/17
Context. We present a multi-wavelength, high-resolution observational survey of the young binary system Haro 6-10 (GV Tau, IRAS 04263+2426), which is harbouring one of the few known infrared companion...
AKARI-CAS --- Online Service for AKARI All-Sky Catalogues
AKARI-CAS --- Online Service AKARI All-Sky Catalogues
2011/10/17
The AKARI All-Sky Catalogues are an important infrared astronomical database for next-generation astronomy that take over the IRAS catalog. We have developed an online service, AKARI Catalogue Archive...
Extinction law in ultraluminous infrared galaxies at z ~ 1
dust, extinction — galaxies: evolution — galaxies: ISM — galaxies: starburst — infrared: galaxies — supernovae: general
2011/10/17
We analyze the multi-wavelength photometric and spectroscopic data of 12 ultraluminous infrared galaxies (ULIRGs) at z ~ 1 and compare them with models of stars and dust in order to study the extincti...
Gauging away Physics
Gauging Physics
2011/10/14
We consider the recent argument by Higuchi, Marolf and Morrison [1] that a nonlocal gauge transformation can be used to eliminate the infrared divergence of the graviton propagator, when evaluated in ...
Infrared two-colour diagrams for AGB stars using AKARI, MSX, IRAS and NIR data
stars: AGB and post-AGB - circumstellar matter - infrared: stars - dust extinction - radiative transfer
2011/10/12
Using a revised version of the catalog of AGB stars by Suh & Kwon (2009), we present various infrared two-colour diagrams (2CDs) for 3003 O-rich, 1168 C-rich, 362 S-type and 35 silicate carbon stars i...
The radio core of the Ultraluminous Infrared Galaxy F00183-7111: watching the birth of a quasar
radio continuum: galaxies-galaxies: evolution-galaxies: ULIRG-galaxies: active-VLBI
2011/10/12
F00183-7111 is one of the most extreme Ultra-Luminous Infrared Galaxies known. Here we present a VLBI image which shows that F00183-7111 is powered by a combination of a radio-loud Active Galactic Nuc...
Excitation of the aromatic infrared emission bands: Chemical energy in hydrogenated amorphous carbon particles?
Excitation aromatic infrared emission bands: Chemical energy
2011/10/11
We outline a model for the heating of hydrogenated amorphous (HAC) dust via the release of stored chemical energy and show that this energy (~12 kJ/mole) is sufficient to heat dust grains of classical...
A view of the narrow-line region in the infrared: active galactic nuclei with resolved fine-structure lines in the Spitzer archive
narrow-line region infrared: active galactic nuclei resolved fine-structure lines
2011/10/10
We queried the Spitzer archive for high-resolution observations with the Infrared Spectrograph of optically selected active galactic nuclei (AGN) for the purpose of identifying sources with resolved f...
A Spitzer IRS Survey of NGC 1333: Insights into disk evolution from a very young cluster
Spitzer IRS Survey Insights evolution cluster
2011/10/10
We report on the {\lambda} = 5-36{\mu}m Spitzer Infrared Spectrograph spectra of 79 young stellar objects in the very young nearby cluster NGC 1333. NGC 1333's youth enables the study of early protopl...
A Bayesian Approach to Locating the Red Giant Branch Tip Magnitude (Part I)
Bayesian Approach Locating Giant Branch Tip Magnitu
2011/10/10
We present a new approach for identifying the Tip of the Red Giant Branch (TRGB) which, as we show, works robustly even on sparsely populated targets. Moreover, the approach is highly adaptable to the...
Near-infrared Linear Polarization of Ultracool Dwarfs
Near-infrared Linear Polarization tracool Dwarfs
2011/10/8
We report on near-infrared J- and H-band linear polarimetric photometry of eight ultracool dwarfs (two late-M, five L0-L7.5, and one T2.5) with known evidence for photometric variability due to dust c...