Balmer lines
IP Pegasi in outburst : Echelle spectroscopy and modulation Doppler tomography
... in Balmer and HeI lines is modulated predominantly with the cosine term, consistent with the emission originating from the irra- diated front side of the mass-donor star, facing the accreting white ...the ...
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Precise mass and radius values for the white dwarf and low mass M dwarf in the pre cataclysmic binary NN Serpentis
... these lines (see Section ...several lines: all the Balmer lines fitted simultaneously (H11 to Hβ), several HeI lines fitted simultaneously and a fit to the MgII 4481˚ A ...the ...
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RX J2130.6+4710 - an eclipsing white dwarf-M-dwarf binary star
... ture, lines of the Lyman and Balmer series are treated by means of an approximate Stark ...the Balmer lines to determine the effective temperature and surface gravity of the white dwarf, it is ...
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Hydrogen balmer line broadening in solar and stellar flares
... hydrogen lines during fl ares is thought to result from increased charge ( electron, proton ) density in the fl are ...hydrogen lines into the non-LTE radiative-transfer code ...the Balmer ...
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Faint Galaxies in the Megaparsec-Scale Environments of Hyperluminous QSOs at Redshifts 2 < z < 3
... forbidden lines ([O III ] λ5007) were detected for only 2 of them (Q1623+268, Q2343+12), either because no such lines were present in the spectra (common at the highest luminosities), or because the HLQSO ...
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V2051 Ophiuchi after superoutburst : out of plane material and the superhump light source
... iron lines compos- ing the iron multiplet Fe ii 42 show some distinctive di ff erences from the other lines: (i) as seen in the average spectrum of ...emission lines Fe ii seems to have a greater ...
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The masses of the cataclysmic variables AC Cancri and V363 Aurigae
... the Balmer lines show the usual V-shape, but the He II line has a U-shaped eclipse minimum and is completely eclipsed, suggesting an origin close to the white ...the Balmer flux increases, the ...
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The masses of the cataclysmic variables AC Cancri and V363 Aurigae
... the Balmer lines show the usual V–shape, but the HeII line has a U–shaped eclipse minimum and is completely eclipsed, suggesting an origin close to the white ...the Balmer flux increases, the ...
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The first sub-70 minute non-interacting WD-BD system: EPIC212235321
... We have discovered EPIC212235321, the first sub-70 minute non-interacting WD+BD binary known. The lightcurves of this system show a significant reflection effect, which is sup- ported by a large near-IR excess when the ...
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Stellar populations and ages of M82 super star clusters
... Optically luminous SSCs tend to be dominated in the blue by B- or A-type spectra (Schweizer & Seitzer 1993; Zepf et al. 1995; Brodie et al. 1998). As a result, ages are not readily determined from measurements of ...
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Time resolved spectroscopy of the pulsating CV GW Lib
... 2007 July 24 - 5 Three months after outburst, during the slow decline towards quiescence, the system was still 1- 2 mags brighter than the pre-outburst magnitude, and the double-peaked profile from the disc proved ...
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PHOTOMETRIC AND SPECTROSCOPIC VARIATIONS OF THE Be STAR HD 112999
... The analysis of the spectroscopic and photometric data of HD 112999 allowed us to identify a long-term variability in its V light curve and the change of the Balmer line profiles from emission to absorption. The ...
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On the nature of the red, 2MASS-selected AGN in the local Universe I: an optical spectroscopic study
... the Balmer emission ...row) Balmer flux measurements for the Jin et ...consider Balmer decrements for the total flux of the Balmer lines, we only use the data for the objects with a ...
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A possible solution to the Lyman/Balmer line problem in hot DA white dwarfs
... / Balmer line problem from the perspective of the opacity used to calculate the model atmosphere, the Stark broadening tables used to synthesise the Lyman/Balmer line profiles, and the composition of the ...
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Nonuniform Transmission Lines as Compact Uniform Transmission Lines
... transmission lines, which has a general application to miniaturization of RF and microwave ...Transmission Lines (NTLs) instead of Uniform Transmission Lines ...Transmission Lines (CLTLs), the ...
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The Balmer spectrum of rational equivariant cohomoloy theories
... the Balmer spectrum that it captures the space of subgroups and cotoral inclusions, and even the f -topology of ...the Balmer spectrum and the analysis of rational G-spectra are principally based on the ...
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Red giant mass loss : studying evolved stellar winds with FUSE and HST / STIS
... 50 lines of sight were modelled for 11 different wind acceleration profiles (the Vogel law and β-laws with ...III lines is explained by the Vogel model, whilst the β=1 model predicts a completely different ...
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The fight for accretion : discovery of intermittent mass transfer in BB Doradus in the low state
... The same phenomenology has also been observed in the optical. Latham, Liebert & Steiner (1981) observed much broader, stronger emission lines during an accretion event of AM Her. Mason et al. (1994) also ...
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Reply to Adam Balmer.
... I might be dreaming, in which case I do not know I have hands, and, as I said in the book, Heidegger might live on as the world’s oldest man. But I know I have hands and that Heidegger is dead; to deny this would be to ...
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Steps toward determination of the size and structure of the broad line region in active galactic nuclei XI Intensive monitoring of the ultraviolet spectrum of NGC 7469
... The TOMSIPS-reduced data had a slight nonlinear wavelength calibration error. (The low-dispersion TOMSIPS does not compensate for long-term secular drifts in the SWP wavelength scales, and the epoch of the original ...
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