Publication
Spectroscopic Limits on the Distance and Energy Release of GRB 990123
Not Available
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PublicationSpectroscopic Mass and Host-star Metallicity Measurements for Newly Discovered Microlensing Planet OGLE-2018-BLG-0740LbWe report the discovery of the microlensing planet OGLE-2018-BLG-0740Lb. The planet is detected with a very strong signal of Δχ 2 ∼ 4630, but the interpretation...
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PublicationSpectroscopic metallicities for planet-host stars: Extending the samplesWe present stellar parameters and metallicities for 29 planet-host stars, as well as for a large volume-limited sample of 53 stars not known to be orbited by...
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PublicationSpectroscopic monitoring of active galactic nuclei. 3: Size of the broad line region in NGC 3227We present in this work the results of a five-month monitoring campaign of the active galactic nucleus in NGC 3227. Both the Balmer H-beta and H-alpha emission...
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PublicationSpectroscopic monitoring of active galactic nuclei. II - The Seyfert-1 galaxy NGC 3516We present results of a five month spectroscopic monitoring campaign of the Seyfert-1 galaxy NGC 3516. Using a new calibration method and applying a correction...
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PublicationSpectroscopic observations of AB supergiants in M 33.We have observed 10 luminous blue stars in M 33 at intermediate dispersion and have determined spectral types and luminosity classes from the blue and red...
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PublicationSpectroscopic observations of AB-supergiants in M 31 and M 33We have observed a number of the most luminous A and B supergiants in the galaxies M 31 and M 33 at intermediate dispersion obtaining both blue and red...
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PublicationSpectroscopic Observations of Convective Patterns in the Atmospheres of Metal-poor StarsConvective line asymmetries in the optical spectrum of two metal-poor stars, Gmb 1830 and HD 140283, are compared to those observed for solar metallicity stars...
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PublicationSpectroscopic observations of new Oort cloud comet 2006 VZ13 and four other cometsSpectral data are presented for comets 2006 VZ13 (LINEAR), 2006 K4 (NEAT), 2006 OF2 (Broughton), 2P/Encke and 93P/Lovas I, obtained with the Cerro Tololo Inter...