The star formation rate of turbulent magnetized clouds: comparing theory, simulations, and observations
C Federrath, RS Klessen - The Astrophysical Journal, 2012 - iopscience.iop.org
The role of turbulence and magnetic fields is studied for star formation in molecular clouds.
We derive and compare six theoretical models for the star formation rate (SFR)—the …
We derive and compare six theoretical models for the star formation rate (SFR)—the …
On the star formation rates in molecular clouds
In this paper, we investigate the level of star formation activity within nearby molecular
clouds. We employ a uniform set of infrared extinction maps to provide accurate …
clouds. We employ a uniform set of infrared extinction maps to provide accurate …
Metallicity and temperature indicators in M dwarf K-band spectra: Testing new and updated calibrations with observations of 133 solar neighborhood M dwarfs
We present K-band spectra for 133 nearby (d< 33 ps) M dwarfs, including 18 M dwarfs with
reliable metallicity estimates (as inferred from an FGK type companion), 11 M dwarf planet …
reliable metallicity estimates (as inferred from an FGK type companion), 11 M dwarf planet …
A near-infrared spectroscopic study of young field ultracool dwarfs
We present a near-infrared (0.9–2.4 μm) spectroscopic study of 73 field ultracool dwarfs
having spectroscopic and/or kinematic evidence of youth (≈ 10–300 Myr). Our sample is …
having spectroscopic and/or kinematic evidence of youth (≈ 10–300 Myr). Our sample is …
Near-infrared metallicities, radial velocities, and spectral types for 447 nearby M dwarfs
ER Newton, D Charbonneau, J Irwin… - The Astronomical …, 2013 - iopscience.iop.org
We present metallicities, radial velocities, and near-infrared (NIR) spectral types for 447 M
dwarfs determined from moderate resolution (R≈ 2000) NIR spectra obtained with the …
dwarfs determined from moderate resolution (R≈ 2000) NIR spectra obtained with the …
Prospecting in late-type dwarfs: a calibration of infrared and visible spectroscopic metallicities of late K and M dwarfs spanning 1.5 dex
Knowledge of late K and M dwarf metallicities can be used to guide planet searches and
constrain planet formation models. However, the determination of metallicities of late-type …
constrain planet formation models. However, the determination of metallicities of late-type …
Spectro-thermometry of M dwarfs and their candidate planets: too hot, too cool, or just right?
We use moderate-resolution spectra of nearby late K and M dwarf stars with parallaxes and
interferometrically determined radii to refine their effective temperatures, luminosities, and …
interferometrically determined radii to refine their effective temperatures, luminosities, and …
Characterizing the cool KOIs. II. The M dwarf KOI-254 and its hot Jupiter
JA Johnson, JZ Gazak, K Apps… - The Astronomical …, 2012 - iopscience.iop.org
We report the confirmation and characterization of a transiting gas giant planet orbiting the M
dwarf KOI-254 every 2.455239 days, which was originally discovered by the Kepler mission …
dwarf KOI-254 every 2.455239 days, which was originally discovered by the Kepler mission …
A case of simultaneous star and planet formation
While it is widely accepted that planets are formed in protoplanetary disks, there is still much
debate on when this process happens. In a few cases protoplanets have been directly …
debate on when this process happens. In a few cases protoplanets have been directly …
Mapping accretion and its variability in the young open cluster NGC 2264: a study based on u-band photometry
Context. The accretion process has a central role in the formation of stars and planets. Aims.
We aim at characterizing the accretion properties of several hundred members of the star …
We aim at characterizing the accretion properties of several hundred members of the star …