UVES/VLT M subdwarfs

B2FIND2026-04-28 收录

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UVES/VLT M subdwarfs

M subdwarfs VLT/UVES high resolution spectra

M subdwarfs are metal poor and cool stars. They are important probes of the old galactic populations. However, they remain elusive due to their low luminosity. Observational and...

B2FIND30

UVES/VLT spectroscopy of white dwarfs

We present a detailed spectroscopic analysis of the stars with helium-dominated spectra in the ESO Supernova Ia Progenitor Survey (SPY). Atmospheric parameters, masses, and...

B2FIND00

UVES/VLT spectra of white dwarfs

We have started a large survey for radial velocity variations in white dwarfs (PI R. Napiwotzki) with the aim of finding close double degenerates, which could be precursor...

B2FIND10

M-Subdwarfs

We present a spectroscopic classification system for M-dwarfs and M-subdwarfs based on quantitative measures of TiO and CaH features in the region 6200 - 7400 Angstroms. Our...

B2FIND00

UVES/VLT spectra of white dwarfs

The ESO Supernova Ia Progenitor Survey (SPY) took high-resolution spectra of more than 1000 white dwarfs and pre-white dwarfs. About two thirds of the stars observed are...

B2FIND00