Kepler revealed that roughly one-third of Sunlike stars host planets orbiting within 100 days and between the size of Earth and Neptune. How do these planets...
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PublicaciónThe Magellan-TESS Survey. I. Survey Description and Midsurvey Results
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PublicaciónThe metallicity of Palomar 1
Palomar 1 is a peculiar Galactic globular cluster suspected of being younger than the bulk of Galactic halo objects. However, such a low age can be confirmed...
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PublicaciónThe Multiplanet System TOI-421
We report the discovery of a warm Neptune and a hot sub-Neptune transiting TOI-421 (BD-14 1137, TIC 94986319), a bright (V = 9.9) G9 dwarf star in a visual...
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PublicaciónThe observed background solar velocity noise
Using accurate radial velocity observations of integral sunlight, the background solar velocity noise has been measured at different frequencies of interest for...
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PublicaciónThe optical properties of low luminosity radio galaxies with radio jets
A morphological description and CCD photometric information for a sample of 24 low luminosity radio galaxies with radio jets are presented. It is concluded that...
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PublicaciónThe prevalence of neutral gas in massive post-main-sequence nebulae
Results are reported from a CO (J = 2-1) survey of nine type I nebulae using the 12-m NRAO antenna at KPNO; the data are presented in tables, graphs, and...
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PublicaciónThe radial velocity of the sun as a star and the solar cycle
Radial velocity measurements of the sun as a star using a resonant scattering spectrometer have been obtained at Izaña (Tenerife) during long observing seasons...
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PublicaciónThe Rotation Speed of the Companion Star in Aquila X-1
We have obtained medium resolution spectra of the neutron star X-ray transient Aql X-1 during quiescence. We determine the spectral type of the companion star...
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PublicaciónThe search for radial velocity variations in rapidly oscillating AP stars using the Fabry-Perot Interferometric Stellar Oscillation Spectrometer (FP-ISOS)
Radial velocity measurements were taken of a group of Ap stars using an improved FP-ISOS. Observations were made using the 1.5m TCS on Tenerife in May 1987 and...