Emission line fitting and metallicity estimation
Curve Fitting and Parameter Estimation
... (yk − mxk − b) 2 . We note that instead of these vertical distances, we could also use horizontal distances between the points and the line. Alternatively we could use direct distances (the shortest distances ...
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Erratum: Deep VLT spectroscopy of the vec {z}= 2.49 radio galaxy MRC 2104-242. Evidence for a metallicity gradient in its extended emission line region
... UV line emission around radio galaxy MRC 2104–242 at z = ...V emission can be explained by a metallicity gradient within the halo, with the northern region having a metallicity of Z ≈ ...
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The environment of weak emission-line quasars
... of emission lines are reduced at higher luminosity with the strongest effect for high-ionization lines (HILs; see Korista, Baldwin & Ferland 1998; Shields 2007, for a review of the ...or metallicity ...
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METALLICITY CALIBRATIONS AND THE MASS-METALLICITY RELATION FOR STAR-FORMING GALAXIES
... nebular emission line spectrum is sensitive to the hardness of the ionizing EUV ...commonly-used metallicity calibrations are based on the assumption of a stellar ionizing radiation ...the ...
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Spectroscopy of Galaxies: Evolution of Escape Fractions, Metallicity Gradients and Stellar Metallicity
... by line emission from AGN. Since our metallicity calibrators are only applicable to bounded HII regions ionized by hot stars, any emission from nuclear activity would give misleading results ...
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Fitting Together the H i Absorption and Emission in the Southern Galactic Plane Survey
... boundary between the boxes, but in each box we stick to a linear interpolation for our estimate of the warm-phase emission. Thus, for blended absorption lines we are fitting both the cool-phase temperature and the ...
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Pediatric Whitepaper. Electrophysiological Threshold Estimation and Infant Hearing Instrument Fitting
... FIG 3. Screenshot from Genie 2009.2, Pediatric Fitting Mode. Tone Burst ABR has been selected as method, Insert earphone + foamtip as trans- ducer, and finally the measurement is reported in dB nHL. The entered ...
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Road Traffic Status and Carbon Emission Estimation Methods
... Carbon Emission Estimation of Intersection The vehicles stopped at the intersection all experienced deceleration, idling and ...or line up, the driver should start slowing down about 30 meters from ...
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A physical model for [C II] line emission from galaxies
... Given its simplicity, the analytical model is in striking overall agreement with cloudy results. In particular, the model correctly predicts both the amplitude and linear slope of the increasing flux trend at low ...
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Emission Line Imaging Spectroscopy for Diagnosing of Solar Outer Atmospheres
... Time-dependent collisonal-radiative model is to be developed to analyse the data taken by EIS, and to diagnose temperatures and densities of those plasmas in the outer at- mospheres of the sun. No systematic models yet ...
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A EMISSION LINE IN
... 2 IBVS 6103 of radial velocity measurements of the Hα and HeI 6678 ˚ A lines (Harmanec et al. 2000, Miroshnichenko et al. 2002, Nemravov´a et al. 2012), there is no information about the V/R periodicity of the HeI 6678 ˚ ...
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Clustering and Curve Fitting by Line Segments
... regression fit as straight lines joining NNS quadrant (cluster) means equal to ¯ X, ¯ Y and end points 112. which are determined from another internal NNS algorithm described in [1][r] ...
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Sparse covariance fitting for direction of arrival estimation
... If multiple snapshots can be collected in an array of sensors, they can be used to improve the estimation of the angles of arrival. Several approaches for summariz- ing multiple observations have been proposed in ...
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Parameter estimation and model fitting of stochastic processes
... Abstract Multiscale methods such as averaging and homogenization have become an in- creasingly interesting topic in stochastic time series modelling. When applying the av- eraged/homogenized processes to applications ...
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Emission Estimation Technique Manual
... all emission factors cited can be found in the reference section of this ...The emission factor ratings will not form part of the public NPI ...using emission factors, you should be aware of the ...
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Application of Instantaneous Emission Modeling for Rural Vehicle Emission Estimation
... instantaneous emission model for the characterization of 3-W RV emission behavior and fuel consumption under real driving ...This emission model was developed using the on road emission data ...
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Millimeter wave channel estimation based on subspace fitting
... channel estimation of the mmWave MIMO system with hybrid beamforming ...channel estimation method based on subspace fit- ting, which can be divided into two ...space fitting method is ...
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Virtual Fitting by Single-shot Body Shape Estimation
... For users to feel as if they were wearing real clothes, two issues need to be considered: how to realize high-quality modeling of clothes and how to accurately overlay clothing images onto various body images. For ...
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Kinematic Geometry for the Saddle Line Fitting of Planar Discrete Positions
... straight line. Utilizing the min-max optimization scheme, the fitting curve needs to minimize the maximum fitting error to acquire the dimension of a planar binary P-R ...the fitting straight ...
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The metallicity dependence of maser emission and mass loss from red supergiants and asymptotic giant branch stars
... 1.7 Metallicity and luminosity 24 1.7.1 Metallicity distributions The Galaxy The closest stellar samples of evolved stars lie within the ...have metallicity at or above solar metallicity ...
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