Search filters

List of works by Nils Ryde

A map of D/H on Mars in the thermal infrared using EXES aboard SOFIA

scientific article published in Astronomy and Astrophysics

A new nonlocal thermodynamical equilibrium radiative transfer method for cool stars. Method and numerical implementation

scientific article published in January 2015

Abundances in bulge stars from high-resolution, near-IR spectra. I. The CNO elements observed during the science verification of CRIRES at VLT

scientific article published in January 2009

Abundances of disk and bulge giants from high-resolution optical spectra. I. O, Mg, Ca, and Ti in the solar neighborhood and Kepler field samples

scientific article published in Astronomy and Astrophysics in February 2017

Abundances of disk and bulge giants from high-resolution optical spectra. II. O, Mg, Ca, and Ti in the bulge sample

scientific article published in Astronomy and Astrophysics in February 2017

Abundances of disk and bulge giants from high-resolution optical spectra. III. Sc, V, Cr, Mn, Co, Ni

scientific article published in Astronomy and Astrophysics in May 2019

Abundances of disk and bulge giants from high-resolution optical spectra. IV. Zr, La, Ce, Eu

scientific article published in Astronomy and Astrophysics in November 2019

Carbon stars in local group dwarf galaxies: C and O abundances

scientific article published in January 2006

Chemical abundances of 11 bulge stars from high-resolution, near-IR spectra

scientific article

Chemical abundances of M giants in the Galactic centre: A single metal-rich population with low [{alpha}/Fe]

scientific article published in January 2015

Chemical characterization of the inner Galactic bulge:North–South symmetry

scientific article

Chemical evolution of fluorine in the bulge

scientific article

Chemical evolution of the Galactic Centre

scientific article

Chemical evolution of the inner 2 degrees of the Milky Way bulge: [{alpha}/Fe] trends and metallicity gradients

article by Ryde N. et al published 2016 in The Astronomical Journal

Detailed Abundances for the Old Population near the Galactic Center. I. Metallicity Distribution of the Nuclear Star Cluster

Detailed Abundances in the Galactic Center: Evidence of a Metal-rich Alpha-enhanced Stellar Population

Detailed abundance analysis of a metal-poor giant in the Galactic Center

scientific article published in January 2016

Detection of water vapor in the photosphere of Arcturus

scientific article published in January 2002

Developing an astrophysical line list for Keck/Nirspec observations of red giants in the Galactic centre

scientific article

Elemental abundances in AGB stars and the formation of the Galactic bulge

Evidence against Anomalous Compositions for Giants in the Galactic Nuclear Star Cluster

scientific article published in the Astrophysical Journal

Fluorine in the solar neighborhood: Chemical evolution models

scientific article

Fluorine in the solar neighborhood: is it all produced in asymptotic giant branch stars?

scholarly article

Fluorine in the solar neighborhood: no evidence for the neutrino process

scholarly article

Galactic chemical evolution of sulphur. Sulphur abundances from the [SI] {lambda}1082 nm line in giants

scientific article published in January 2013

Hyperfine-dependent gf-values of Mn I lines in the 1.49-1.80 {mu}m H band

scientific article published in January 2015

Infrared spectroscopic investigations of stellar winds from red giants. (Dissertation summary)

scientific article published in January 2000

Interpretations of gamma-ray burst spectroscopy. II. Bright BATSE bursts

scientific article

Kinematics and chemistry of recently discovered Reticulum 2 and Horologium 1 dwarf galaxies

scientific article published in the Astrophysical Journal

MOONS: a multi-object optical and near-infrared spectrograph for the VLT

MOONS: the Multi-Object Optical and Near-infrared Spectrograph for the VLT

Mg I emission lines at 12 and 18 in K giants

scientific article published in Astronomy and Astrophysics

Mira's wind explored in scattering infrared CO lines

scientific article published in January 2000

Modeling CO emission from Mira's wind

scientific article

Near-infrared spectroscopic observations of massive young stellar object candidates in the central molecular zone

scientific article

Nonthermal Mg I emission at 12 micron from procyon

On the Galactic chemical evolution of sulfur

scholarly article

Preliminary results on the circumstellar envelopes of {alpha} Ori and R Leo from CO 4.6{mu}m line emission

scientific article published in January 1999

Probing the mass loss history of carbon stars using CO line and dust continuum emission

scientific article published in January 2002

Probing the mass-loss history of the unusual Mira variable R Hydrae through its infrared CO wind

scientific article published in January 2008

Red supergiants as potential type IIn supernova progenitors: spatially resolved 4.6 {mu}m CO emission around VY CMa and Betelgeuse

scientific article published in Astronomical Journal

SOFIA-EXES Mid-IR Observations of $[\mathrm{Fe}\,{\rm{II}}]$ Emission from the Extended Atmosphere of Betelgeuse

scientific article published in the Astrophysical Journal

SOFIA/EXES observations of water absorption in the protostar AFGL 2591 at high spectral resolution

Sulphur abundances in disk stars as determined from the forbidden {lambda}10821 [SI] line

scientific article published in January 2006

Sulphur abundances in halo giants from the [S ı] line at 1082 nm and the S ı triplet around 1045 nm

scholarly article

Sulphur abundances in metal-poor stars

scientific article published in January 2005

Systematic investigation of chemical abundances derived using IR spectra obtained with GIANO

scientific article

Systematic trend of water vapour absorption in red giant atmospheres revealed by high resolution TEXES 12{mu}m spectra

scientific article published in January 2015

Temperatures and metallicities of M giants in the Galactic bulge from low-resolution K-band spectra

scientific article published in January 2016

Texes observations of M supergiants: dynamics and thermodynamics of wind acceleration

scientific article published in January 2009

The 3{mu}m spectrum of R Doradus observed with the ISO-SWS

scientific article published in January 2002

The Cosmic Origin of Fluorine

The Gaia-ESO Survey: A globular cluster escapee in the Galactic halo

scientific article published in Astronomy and Astrophysics

The Gaia-ESO Survey: The analysis of high-resolution UVES spectra of FGK-type stars

scientific article published in Astronomy and Astrophysics

The Gaia-ESO Survey: radial metallicity gradients and age-metallicity relation of stars in the Milky Way disk

scientific article published in Astronomy and Astrophysics

The R Coronae Borealis stars: carbon abundances from forbidden carbon lines

scholarly article

The carbon star IRAS 15194-5115: circumstellar CO radio and FIR rotational lines

scientific article published in January 1999

The nature of the circumstellar CO_2_ emission from M giants

scientific article published in January 1999

The origin of carbon, investigated by spectral analysis of solar-type stars in the Galactic Disk

scientific article published in January 1999

The origin of stellar populations in the Galactic bulge from chemical abundances

scientific article published in January 2019

The very low mass multiple system LHS 1070. A testbed for model atmospheres for the lower end of the main sequence

scientific article published in January 2012

The zeeman-sensitive emission lines of Mg I at 12 microns in Procyon

scientific article published in January 2004

UV, IR, and mm Studies of CO Surrounding the Red Supergiant α Orionis (M2 Iab)

article

Understanding AGB evolution in Galactic bulge stars from high-resolution infrared spectroscopy

scientific article

Water vapor on Betelgeuse as revealed by TEXES high-resolution 12 {mu}m spectra

scientific article published in January 2006

Water vapor on supergiants: the 12 {mu}m TEXES spectra of {mu} Cephei