Medium-resolution Isaac Newton Telescope library of empirical spectra - II. The stellar atmospheric parameters

By A. Cenarro, Reynier Peletier, P. Sánchez-Blázquez, S. Selam, E. Toloba, N. Cardiel, J. Falc'on-Barroso, J. Gorgas, J. Jiménez-Vicente, A. Vazdekis. 2006

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We present a homogeneous set of stellar atmospheric parameters (T-eff, log g, [Fe/H]) for MILES, a new spectral stellar library covering the range lambda lambda 3525-7500 angstrom at 2.3 angstrom (FWHM) spectral resolution. The library consists of 985 stars spanning a large range in atmospheric parameters, from super-metal-rich, cool stars to hot, metal-poor stars. The spectral resolution, spectral type coverage and number of stars represent a substantial improvement over previous libraries used in population synthesis models. The atmospheric parameters that we present here are the result of a previous, extensive compilation from the literature. In order to construct a homogeneous data set of atmospheric parameters we have taken the sample of stars of Soubiran, Katz & Cayrel, which has very well determined fundamental parameters, as the standard reference system for our field stars, and have calibrated and bootstrapped the data from other papers against it. The atmospheric parameters for our cluster stars have also been revised and updated according to recent metallicity scales, colour-temperature relations and improved set of isochrones.

Subfields: Astronomy and Astrophysics, Instrumentation

View Paper: https://www.semanticscholar.org/paper/55ac30694e046977485d094be426a4335a10a734

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Citations in the corpus

Dissecting the size evolution of elliptical galaxies since z∼ 1: puffing-up versus minor-merging scenarios (2011, methodology): “These models are based on the MILES1 stellar library (Sánchez-Blázquez et al. 2006), which combines both a rather complete coverage of the stellar atmospheric parameters and a relatively high and nearly constant spectral resolution, 2.3 Å (FWHM), optimally suited for the spectral resolution of…”
Stellar population gradients in galaxy discs from the CALIFA survey - The influence of bars (2014, methodology): “…line spectrum is fitted with the penalised pixel-fitting pPXF (Cappellari & Emsellem 2004), using as templates the stellar population models of Vazdekis et al. (2010, V10 hereafter) based on the MILES stellar library (Sánchez-Blázquez et al. 2006; Cenarro et al. 2007; Falcón-Barroso et al. 2011)2.”
SPIDER VIII - constraints on the stellar initial mass function of early-type galaxies from a variety of spectral features (2013, methodology): “We analyze the spectra of ETGs with the extended MILES (MIUSCAT) stellar population models 8 (Vazdekis et al. 2012; Ricciardelli et al. 2012, hereafter MIUSCAT-I, and MIUSCAT-II, respectively), combining CaT (Cenarro et al. 2001) and MILES (Sánchez-Blázquez et al. 2006) with IndoU.”
Stellar SEDs from 0.3 to 2.5 μm: Tracing the Stellar Locus and Searching for Color Outliers in the SDSS and 2MASS (2007, methodology): “…type, we have measured these indices in 594 dwarf standards taken from the spectral libraries of Pickles (1998), Hawley et al. (2002), Valdes et al. (2004), Le Borgne et al. (2003), Sanchez-Blazquez et al. (2006), and Bochanski et al. (2007), spanning a range in spectral type from O5 to L8.”
MIUSCAT: extended MILES spectral coverage – I. Stellar population synthesis models (2012, methodology): “For the B−V colour this can be attributed to the very high flux-calibration quality of the MILES stellar spectra as was shown in Sánchez-Blázquez et al. (2006).”
ABSORPTION-LINE PROBES OF THE PREVALENCE AND PROPERTIES OF OUTFLOWS IN PRESENT-DAY STAR-FORMING GALAXIES (2010, methodology): “The library of template spectra is composed of single stellar population (SSP) models generated using a preliminary version of the population synthesis code of Charlot & Bruzual (2010, in prep.) which incorporates the MILES empirical stellar library (Sánchez-Blázquez et al. 2006).”
Evidence of Environmental Dependencies of Type Ia Supernovae from the Nearby Supernova Factory indicated by Local H$\alpha$ (2013, background): “It fits simultaneously the following three components: stellar populations from the MILES library (Sánchez-Blázquez et al. 2006); a set of emissions lines – Balmer’s hydrogen series in addition to [O ii]λλ3726, 3728, [O iii], [N ii] and [S ii]; and a multiplicative ad hoc continuum correcting for…”
The ATLAS3D project – I. A volume-limited sample of 260 nearby early-type galaxies: science goals and selection criteria (2010, methodology): “We employed as stellar template an optimal linear combination of stars from theMILES library9 (Sánchez-Blázquez et al. 2006), which was separately determined for every galaxy.”
The SAURON project – X. The orbital anisotropy of elliptical and lenticular galaxies: revisiting the (V/σ, ɛ) diagram with integral‐field stellar kinematics (2007, methodology): “In particu- c© 2007 RAS, MNRAS000, 1–27 lar we constructed the optimal template using the 985 stars of the MILES library (Sánchez-Blázquez et al. 2006), from which≈ 15 stars are selected by the program to provide a detailed fit to each galaxy spectrum.”
Spectroscopic ages and metallicities of stellar populations : validation of full spectrum fitting (2008, methodology): “The MILES library 4 http://www.ucm.es/info/Astrof/miles/miles.html Sanchez-Blazquez et al. (2006) used for these models have a 2.3 Å spectral resolution (FWHM) and cover the wavelength range from 3525 to 7500 Å.”
Spectral models for solar-scaled and α-enhanced stellar populations (2007, methodology): “We built models 8 Based on the recent MILES library by Sánchez-Blázquez et al. (2006); Cenarro et al. (2007), covering the optical wavelength range. based on two other recent synthetic libraries (Martins et al. 2005; Munari et al. 2005, shown as a shaded region in Fig.”
SPECTRAL CLASSIFICATION AND REDSHIFT MEASUREMENT FOR THE SDSS-III BARYON OSCILLATION SPECTROSCOPIC SURVEY (2012, methodology): “Our SSP models are taken from Maraston et al. (2009) and Maraston & Strömbäck (2011), and are based on a combination of theoretical and observational stellar library data from Rodŕıguez-Merino et al. (2005), Sánchez-Blázquez et al. (2006), and Gustafsson et al. (2008).”
SUPERDENSE MASSIVE GALAXIES IN THE NEARBY UNIVERSE (2009, methodology): “Based on the MILES stellar library (Sánchez-Blázquez et al 2006; Cenarro et al 2007), these models are an extension of those in Vazdekis (1999; hereafter V99+).”
The ATLAS3D project – III. A census of the stellar angular momentum within the effective radius of early‐type galaxies: unveiling the distribution of fast and slow rotators (2011, methodology): “Gas and stellar kinematics were extracted via a pPXF algorithm (Cappellari & Emsellem 2004) with a library of stellar templates as in Emsellem et al. (2004), but adopting here the MILES library (Sánchez-Blázquez et al. 2006) and an optimized template per galaxy (see Paper I for details).”
Improving the full spectrum fitting method: accurate convolution with Gauss-Hermite functions (2016, methodology): “…& Strömbäck 2011; Conroy & van Dokkum 2012); (ii) individual empirical (e.g. Cenarro et al. 2001; Prugniel & Soubiran 2001; Valdes et al. 2004; Sánchez-Blázquez et al. 2006) or synthetic (e.g. Coelho et al. 2005; Munari et al. 2005; Gustafsson et al. 2008) stars; (iii) principal components…”
Modelling and interpreting spectral energy distributions of galaxies with BEAGLE (2016, background): “Many spectral evolution models available in the literature (e.g. Pégase, Fioc & Rocca-Volmerange 1997; Le Borgne et al. 2004; GALAXEV, Bruzual & Charlot 2003; FSPS, Conroy et al. 2009; ; Vazdekis et al. 2010; MaStro, Maraston & Strömbäck 2011; Conroy & van Dokkum 2012a) rely on libraries of obser”
SUPERDENSE MASSIVE GALAXIES IN WINGS LOCAL CLUSTERS (2009, methodology): “SSP spectra are built using Padova evolutionary tracks and the observed MILES spectral library (Sanchez-Blazquez 2004; Sánchez-Blázquez et al. 2006) for ages older than 109yr, complemented by the Jacoby et al. (1984) library for young SSPs, and in the UV and infrared by means of the Kurucz…”
UV-extended E-MILES stellar population models: young components in massive early-type galaxies (2016, methodology): “…stellar parameters coverage of this library, which were determined in Koleva & Vazdekis (2012) and transformed to match those of the MILES library (Cenarro et al. 2007a) on which our models in the MNRAS 000, 1–31 (2016) optical range are based, allowed us to compute singleage, single-metallicity…”
Spatially resolved spectroscopy of early-type galaxies over a range in mass (2007, methodology): “For the stellar templates, we use synthetic stellar energy distributions from Vazdekis et al. (2007) based on the MILES stellar library (Sánchez-Blázquez et al. 2006d).”