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New black hole images reveal a glowing, fluffy ring and a high-speed jet（图）
黑洞图像 高速喷气机 等离子体物理学
2023/6/9
In 2017, astronomers captured the first image of a black hole by coordinating radio dishes around the world to act as a single, planet-sized telescope. The synchronized network, known collectively as ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Notes on black hole images
黑洞 图像 注意事项
2023/4/13
In this talk, I will present the progress of the study on black hole images in our group. The topic is expected to include black hole shadows, images of the accretion disk and jets around a black hole...
The first release of data from the Herschel ATLAS: the SPIRE images
the Herschel ATLAS the SPIRE images
2011/1/11
We have reduced the data taken with the Spectral and Photometric Imaging Receiver (SPIRE) photometer on board the Herschel Space Observatory in the Science Demonstration Phase (SDP) of the Herschel As...
Deconvolution of Images from BLAST 2005: Insight into the K3-50 and IC 5146 Star-Forming Regions
BLAST 2005 the K3-50 IC 5146 Star-Forming Regions
2011/1/10
We present an implementation of the iterative flux-conserving Lucy-Richardson (L-R) deconvolution method of image restoration for maps produced by the Balloon-borne Large Aperture Submillimeter Telesc...
Images of unclassified and supergiant B[e] stars disks with interferometry
techniques high angular resolution – techniques interferometric – binaries close– stars
2010/11/16
B[e] stars are among the most peculiar objects in the sky. This spectral type, characterised
by allowed and forbidden emission lines, and a large infrared excess, does not represent an
homogenous cl...
Optical Images and Source Catalog of AKARI North Ecliptic Pole Wide Survey Field
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2011/1/6
We present the source catalog and the properties of the $B-, R-$, and $I-$band images obtained to support the {\it AKARI} North Ecliptic Pole Wide (NEP-Wide) survey. The NEP-Wide is an {\it AKARI} inf...
Cluster morphologies and model-independent Y_SZ estimates from Bolocam Sunyaev-Zel'dovich images
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/28
We present initial results from our ongoing program to image the Sunyaev-Zel'dovich (SZ) effect in galaxy clusters at 143 GHz using Bolocam; five clusters and one blank field are described in this man...
A New Method for Determining Geometry of Planetary Images
Instrumentation and Methods for Astrophysics (astro-ph.IM)
2010/12/27
This paper presents a novel semi-automatic image processing technique to estimate accurately, and objectively, the disc parameters of a planetary body on an astronomical image.
Discrete Source Survey of 6 GHz OH emission from PNe & pPNe and first 6 GHz images of K 3-35
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/23
The aim of this study is to investigate the physical properties of molecular envelopes of planetary nebulae in their earliest stages of evolution. Using the 100m telescope at Effelsberg, we have under...