منابع مشابه
Observations of the Galactic Center : Shocked Gas in the Radio Arc Bubble
We present Spitzer IRS spectra (R ∼ 600, 10 – 38 μm) of 38 positions in the Galactic Center (GC), all at the same Galactic longitude and spanning ±0.3 in latitude. Our positions include the Arches Cluster, the Arched Filaments, regions near the Quintuplet Cluster, the “Bubble” lying along the same line-ofsight as the molecular cloud G0.11−0.11, and the diffuse interstellar gas along the line-of...
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Our galaxy is a spiral galaxy and its stars are mostly in a thin disk and rotate around the galactic center. The vertical component of the dispersion velocity of stars is a function of the galactic latitude and decreases with increasing it. In the galactic Besancon model, this dependence is ignored and they just consider the dependence of dispersion velocity on the stellar age. Becanson model i...
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Clustering problems often involve datasets where only a part of the data is relevant to the problem e.g. in microarray data analysis only a subset of the genes show interesting patterns within a subset of the conditions(features). On such datasets, in order to accurately identify meaningful clusters, the non-informative data points should be automatically detected and pruned and non-discriminat...
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We present results of our survey observations of the [C II] 158 μm line emission from the Galactic plane using the Balloon-borne Infrared Carbon Explorer (BICE). Our survey covers a wide area (350◦∼< l ∼< 25, |b| ∼< 3) with a spatial resolution of 15. We employed a new observing method called the “fast spectral scanning” to make large-scale observations efficiently. Strong [C II] line emission ...
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We present a 2.4–45 m spectrum of the center of our Galaxy obtained with the Short Wavelength Spectrometer (SWS) on board ISO. The wide range of ionic fine structure lines observed yields an average effective temperature for the ionizing stars of 35000 K, with a small contribution of significantly hotter stars, consistent with ageing of an active period of massive star formation that took place...
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ژورنال
عنوان ژورنال: Research in Astronomy and Astrophysics
سال: 2013
ISSN: 1674-4527
DOI: 10.1088/1674-4527/13/8/004