Publications of the Astronomical Society of the Pacific, Volume 106, Issues 695-702Astronomical Society of the Pacific, 1994 |
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Page 861
... emission lines did change during this time . Figure 5 shows the CIV 1550 Å and Si IV 1394 Å emission - line flux from the coadded spectra of each night . These lines were measured by fitting them with a Gaussian profile . Si IV 1394 Å ...
... emission lines did change during this time . Figure 5 shows the CIV 1550 Å and Si IV 1394 Å emission - line flux from the coadded spectra of each night . These lines were measured by fitting them with a Gaussian profile . Si IV 1394 Å ...
Page 863
... emission line so that the He I 4921 Å emission line would not contaminate the fit to the continuum . ) This comparison assumes that the continuum level in the blue had not changed significantly between the two nights . The profile of ...
... emission line so that the He I 4921 Å emission line would not contaminate the fit to the continuum . ) This comparison assumes that the continuum level in the blue had not changed significantly between the two nights . The profile of ...
Page 866
... emission - line flux of archi- val HL CMa spectra plotted vs orbital period . 1992 November data . However , there just is not enough ar- chival data available to make any conclusions one way or another . Therefore , we still do not ...
... emission - line flux of archi- val HL CMa spectra plotted vs orbital period . 1992 November data . However , there just is not enough ar- chival data available to make any conclusions one way or another . Therefore , we still do not ...
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absorption abundance accretion analysis asteroids Astronomical Society binary bright calibration catalog central star chromospheric clouds color comets correction derived detection detector diagram disk distribution eclipse emission errors estimate evolution expansion velocities Fe/H field flux frame function galactic galaxies GCLF giant branch globular clusters H II regions Hyades indices infrared ionized km s¹ light curve lines luminosity magnitude main sequence main-sequence mass measured MNRAS objects observations Observatory obtained open clusters optical orbital parameters PASP period phase photometric pixel planetary nebulae plotted quasars radial velocities radius range ratio red giants reddening redshift region residuals rotation sample scale scatter secondary solar sources spectral type spectroscopic spectrum standard stellar stellar winds subgiant survey Table telescope temperature tion turnoff values variability wavelength white dwarf width X-ray XX Vir