The observations from the Dark Energy Spectroscopic Instrument (DESI) will significantly increase the numbers of known extremely metal-poor stars by a factor of...
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PublicaciónGTC Follow-up Observations of Very Metal-poor Star Candidates from DESI
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PublicaciónHD 50844 observed by CoRoT (Poretti+, 2009)
We compared the results from SigSpec and from the iterative-sine-wave fitting, considering an error range of 0.005d-1 in frequency (i.e., a width 3.4 times...
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PublicaciónHigh resolution long-slit spectroscopy of A 78.
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PublicaciónHigh-resolution observations of bright boulders on asteroid Ryugu: 2. Spectral properties
Many small boulders with reflectance values higher than 1.5 times the average reflectance have been found on the near-Earth asteroid 162,173 Ryugu. Based on...
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CharlaHigh-resolution optical spectroscopy for everyone: want a PEPSI?
The demand of high-res spectroscopy had seen a tremendous increase after the discovery of exoplanets. Such instruments are now among the standard equipment of...
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CharlaIAU G5: "Extreme Precision Stellar Spectroscopy"
The new generation of spectrometers designed for extreme precision radial velocities enable correspondingly precise stellar spectroscopy. It is now fruitful to...
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PublicaciónImproved method of hydrous mineral detection by latitudinal distribution of 0.7-μm surface reflectance absorption on the asteroid Ryugu
Global multiband images of the C-type asteroid (162173) Ryugu were obtained by the optical navigation camera telescope (ONC-T) onboard Hayabusa2. The 0.7-μm...
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PublicaciónIntrinsic parameters of massive OB-stars
We present the results of our observations of stars of type O5 and earlier and show that inclusion of the line blocking between 228 and 912 A solves the problem...
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PublicaciónIRAS 22568+6141: a new bipolar nebula.
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