SIMBAD references

2017MNRAS.465.3203M - Mon. Not. R. Astron. Soc., 465, 3203-3219 (2017/March-1)

The GALAH survey: observational overview and Gaia DR1 companion.

MARTELL S.L., SHARMA S., BUDER S., DUONG L., SCHLESINGER K.J., SIMPSON J., LIND K., NESS M., MARSHALL J.P., ASPLUND M., BLAND-HAWTHORN J., CASEY A.R., DE SILVA G., FREEMAN K.C., KOS J., LIN J., ZUCKER D.B., ZWITTER T., ANGUIANO B., BACIGALUPO C., CAROLLO D., CASAGRANDE L., DA COSTA G.S., HORNER J., HUBER D., HYDE E.A., KAFLE P.R., LEWIS G.F., NATAF D., NAVIN C.A., STELLO D., TINNEY C.G., WATSON F.G. and WITTENMYER R.

Abstract (from CDS):

The Galactic Archaeology with HERMES (GALAH) survey is a massive observational project to trace the Milky Way's history of star formation, chemical enrichment, stellar migration and minor mergers. Using high-resolution (R ≃ 28 000) spectra, taken with the High Efficiency and Resolution Multi-Element Spectrograph (HERMES) instrument at the Anglo-Australian Telescope, GALAH will determine stellar parameters and abundances of up to 29 elements for up to one million stars. Selecting targets from a colour-unbiased catalogue built from 2MASS, APASS and UCAC4 data, we expect to observe dwarfs at 0.3-3 kpc and giants at 1-10 kpc. This enables a thorough local chemical inventory of the Galactic thin and thick discs, and also captures smaller samples of the bulge and halo. In this paper, we present the plan, process and progress as of early 2016 for GALAH survey observations. In our first two years of survey observing we have accumulated the largest high-quality spectroscopic data set at this resolution, over 200 000 stars. We also present the first public GALAH data catalogue: stellar parameters (Teff, log(g), [Fe/H], [α/Fe]), radial velocity, distance modulus and reddening for 10 680 observations of 9860 Tycho-2 stars, 7894 of which are included in the first Gaia data release.

Abstract Copyright:

Journal keyword(s): stars: abundances - Galaxy: disc - Galaxy: evolution - Galaxy: formation - Galaxy: stellar content - Galaxy: stellar content

VizieR on-line data: <Available at CDS (J/MNRAS/465/3203): catalog.dat>

Nomenclature: Table 3: GALAH NNNNNNNN N=9860 among (Nos 22245-6392361).

Simbad objects: 9879

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