Emission-line
A EMISSION LINE IN
... the emission in the HeI 6678 ˚ A line, extend to ...A line has an important diagnostic value of activity close to the stellar ...violet-to-red emission peaks that is used as one of the main ...
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Spectroscopic Survey of Hα Emission Line Stars Associated with Bright Rimmed Clouds
... DOI: 10.4236/ijaa.2019.92012 156 International Journal of Astronomy and Astrophysics H α grism spectroscopy and optical narrow-band imaging observations of 28 BRCs. They detected 460 H α emission line ...
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Multiple emission line components in detached post common envelope binaries
... Hα emission line were measured us- ing single Gaussian ...additional emission component was sufficiently visible in at least one spectrum to fit a combination of two ...
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Multiwavelength observations of EXO 0748−676 II, Emission line behavior
... rial has the correct velocity to be in Keplerian rotation at the circularization radius. However, it is more problematic to explain why different sections of any enhanced ring of material at this radius would be picked ...
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Spectral properties of x-ray selected narrow emission line galaxies
... There is also a significant correlation in th e surface density of nearby galaxies with fluctuations in th e X -ra y background as m easured by HEAO-1 and Ginga in th e range 2-10 keV and w ith ROSAT in th e 0.1-2 keV ...
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The formation of broad emission line regions in supernova-QSO wind interactions
... In active galactic nuclei (AGN), the primary physical mechanism for the excitation of the broad emission line regions (BELR) is photoionization by the underlying broad-band continuum (e.g. Osterbrock & ...
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The IPHAS catalogue of H alpha emission line sources in the northern Galactic plane
... Cut (v) is imposed because our catalogue is intended mainly as a list of stellar emission line sources. Objects clas- sified as probably stellar in the r ′ and H α bands are never- theless included to allow ...
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The ESO Nearby Abell Cluster Survey. III. Distribution and kinematics of emission-line galaxies.
... The assumption that the spirals that we observe today are mostly falling in for the first time is also consistent with the fact that, contrary to earlier claims, we do not see any need for different ...
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The Number Density Evolution of Extreme Emission Line Galaxies in 3D-HST: Results from a Novel Automated Line Search Technique for Slitless Spectroscopy
... detect emission lines and assess their signi fi cance ...an emission line with amplitude A at a spectral position Δ x with respect to the undispersed ...cant emission line in the entire ...
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On the origin of the correlations between the accretion luminosity and emission line luminosities in pre-main-sequence stars
... the line luminosity dominates over the EW, and both the continuum and the accretion luminosities are correlated with the stellar ...strong emission line such as H α. The new line luminosities ...
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The SAMI Galaxy Survey : data release one with emission line physics value added products
... the emission-line fits and produced Figs 11 and 12, with BG providing additional clarifying ...the emission-line fits, produced the higher order value- added data products, and coordinated ...
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Studying the potential of the [OII] emission line as a surrogate for stellar velocity dispersion in Active Galactic Nuclei
... [OII] emission lines appear to still have wings, especially at higher sigma values, although to a lesser extent than ...[OII] emission line, the [OIII] emission line, the stellar ...
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Simultaneous Measurement of Strain and Temperature Using a Single Emission Line
... unique emission line for measuring both parameters allows a more ef- ficient use of the optical spectrum, which is an important factor for sensor multiplexing using wavelength division multiplexer (WDM) ...
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Abundant serendipitous emission line sources with JWST/NIRSpec
... consider emission lines apart from [O III ] and H α, our results represent a lower limit to the number of potentially observable ...rest-frame-optical emission line, [O II ] λλ3727, 3729, is commonly ...
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Exploring new emission line diagnostics for accreting compact objects
... the emission peaks in the UV and optical as the disc is constrained in size (Figure ...hydrogen emission lines due to the range of velocities in the rotating disc and their projection along our line ...
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General spectral synthesis of nebular emission line regions
... relative strengths with respect to hydrogen of lines from high excitation species at the expense of lines from neutral and singly ionised species. This is illustrated by the time tracks of the models in Figure 4.9 which ...
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Emission Line Imaging Spectroscopy for Diagnosing of Solar Outer Atmospheres
... Thanks to the ever best performance achieved by the solar EUV instruments, a large number of emission lines are detected in EIS spectra. Figure 6 is just an example of 10 second exposure time spectrum in the ...
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The formation of broad emission line regions in supernova-QSO wind interactions: II. 2D calculations
... Many theoretical explanations have been proposed for the origin of the BELR. They include: i) magnetic acceleration of clouds off accretion discs (Emmering et al. 1992); ii) the inter- action of an outflowing wind with ...
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Emission line diagnostics for accretion and outflows in young very low mass stars and brown dwarfs
... Figure 2. Mass accretion rate of 2M 1207-39 measured throughout the last decade with different methods: line luminosity (filled circles), modelling of UV excess (filled triangles) and Hα 10 % width (open squares). ...
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A spectroscopic study of some early type emission line stars
... :The radial velocity curve of HR1273:The power spectrum of the combined data of HR1273.. :The residuals from the basic velocity curve of HR1273:The radial velocities of HR1713 plotted ag[r] ...
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