The Indo-U.S. Library of Coude Feed Stellar Spectra

Abstract

We have obtained spectra for 1273 stars using the 0.9m Coudé Feed telescope at Kitt Peak National Observatory. This telescope feeds the coudé spectrograph of the 2.1m telescope. The spectra have been obtained with the #5 camera of the coudé spectrograph and a Loral 3K X 1K CCD. Two gratings have been used to provide spectral coverage from 3460 Åto 9464 Å, at a resolution of $\sim$1ÅFWHM and at an original dispersion of 0.44 Å/pixel. For 885 stars we have complete spectra over the entire 3460 Åto 9464 Åwavelength region (neglecting small gaps of $<$ 50 Å), and partial spectral coverage for the remaining stars. The 1273 stars have been selected to provide broad coverage of the atmospheric parameters T${}_{eff}$, log g, and [Fe/H], as well as spectral type. The goal of the project is to provide a comprehensive library of stellar spectra for use in the automated classification of stellar and galaxy spectra and in galaxy population synthesis. In this paper we discuss the characteristics of the spectral library, viz., details of the observations, data reduction procedures, and selection of stars. We also present a few illustrations of the quality and information available in the spectra. The first version of the complete spectral library is now publicly available from the National Optical Astronomy Observatory (NOAO) via FTP and HTTP.

18 pages, 6 figures, 4 tables

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• Early-type galaxies in low-density environments

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• TDCOSMO. XI. New lensing galaxy redshift and velocity dispersion measurements from Keck spectroscopy of eight lensed quasar systems
• Stellar parameters for the First Release of the MaStar Library: An Empirical Approach
• Emission Corrections for Hydrogen Features of the Graves et. al 2007 Sloan Digital Sky Survey Averages of Early Type, Non-liner Galaxies
• The MAGPI Survey: Impact of environment on the total internal mass distribution of galaxies in the last 5 Gyr
• CEN34 -- High-Mass YSO in M17 or Background Post-AGB Star?
• The FEROS--Lick/SDSS observational database of spectral indices of FGK stars for stellar population studies
• The relationship between photometric and spectroscopic oscillation amplitudes from 3D stellar atmosphere simulations
• Composite Stellar Populations and Element by Element Abundances in the Milky Way Bulge and Elliptical Galaxies
• Nonlinear Color--Metallicity Relations of Globular Clusters. VI. On Calcium II Triplet Based Metallicities of Globular Clusters in Early-type Galaxies
• Passband reconstruction from photometry
• Models of $\mu$ Her with asteroseismic constraints
• A new inverse method for stellar population synthesis and error analysis
• Comparison of The UV and Optical Fe II Emission in Type 1 AGNs
• Mild radial variations of the stellar IMF in the bulge of M31
• V2653 Ophiuchii with a pulsating component and Ppuls-Porb, Ppuls-g correlations for gamma-Dor type pulsators
• Surface Brightness Fluctuation spectra to constrain stellar population properties
• TDCOSMO XIX. Measuring stellar velocity dispersion with sub-percent accuracy for cosmography
• The space density distribution of galaxies in the absolute magnitude - rotation velocity plane: a volume-complete Tully-Fisher relation from CALIFA stellar kinematics
• Galactic S Stars: Investigations of Color, Motion, and Spectral Features
• Reliability checks on the Indo-US Stellar Spectral Library using Artificial Neural Networks and Principal Component Analysis
• MEGARA-GTC Stellar Spectral Library (I)
• The Membership and Distance of the Open Cluster Collinder 419
• VIMOS-VLT Integral Field Kinematics of the Giant Low Surface Brightness Galaxy ESO 323-G064
• The young open cluster Berkeley 55
• Chemical Abundances in the PN Wray16-423 in the Sagittarius Dwarf Spheroidal Galaxy: Constraining the Dust Composition
• Planetary companions around the metal-poor star HIP 11952
• Stellar angular momentum distribution linked to galaxy morphology
• The most massive galaxies in clusters are already fully grown at $z\sim 0.5$
• The VMC Survey -- XLIX. Discovery of a population of quasars dominated by nuclear dust emission behind the Magellanic Clouds
• The U.S. Naval Observatory VLBI Spectroscopic Catalog
• Seimei KOOLS-IFU Mapping of the Gas and Dust Distributions in Galactic Planetary Nebulae: the Case of IC2165
• V745\,Cassiopeia: an interacting young massive binary in a multiple star system
• A galactic outflow traced by its extended Mg II emission out to a $\sim 30$ kpc radius in the Hubble Ultra Deep Field with MUSE
• A new synthetic library of the Near-Infrared CaII triplet indices. I.Index Definition, Calibration and Relations with stellar atmospheric parameters
• On Disentangling IMF Degeneracies in Integrated Light
• The Mass of the Black Hole in NGC 5273 from Stellar Dynamical Modeling
• B stars seen at high resolution by XMM-Newton
• The Close AGN Reference Survey (CARS): No evidence of galaxy-scale hot outflows in two nearby AGN
• What Hubble really meant by late and early type: simply more or less complex in appearance
• Investigation of a transiting planet candidate in Trumpler 37: an astrophysical false positive eclipsing spectroscopic binary star
• Thirty-Three New Stellar Angular Diameters from the NPOI, and Nearly 180 NPOI Diameters as an Ensemble
• Constraints on the evolutionary mechanisms of massive galaxies since $z\sim 1$ from their velocity dispersions
• Multiperiodicity in the newly discovered mid-late Be star V2104 Cygni
• LEMONY--a Library of Empirical Medium-resolution spectra by Observations with the NAOC Xinglong 2.16\,m and YNAO Gaomeigu 2.4\,m telescopes
• The fundamental plane of evolving red nuggets
• El Gordo needs El Anzuelo: Probing the structure of cluster members with multi-band extended arcs in JWST data
• The Many Assembly Histories of Massive Void Galaxies as Revealed by Integral Field Spectroscopy
• SDSS-IV MaStar: Stellar Parameter Determination with Continuum-Supplemented Full-Spectrum Fitting
• Investigation of stellar magnetic activity using variational autoencoder based on low-resolution spectroscopic survey
• Hot Star Extension to the Hubble Space Telescope Stellar Spectral Library
• IPHAS A-type Stars with Mid-IR Excesses in Spitzer Surveys
• Individual element sensitivity for stellar evolutionary isochrones
• Does Feedback from Supermassive Blackhole Co-evolve With Host In Type 2 Quasars?
• Inferring the Helium abundance of extragalactic Globular Clusters using Integrated Spectra
• A 3D Automated Classification Scheme for the TAUVEX data pipeline
• Identification of metal-poor stars using the artificial neural network
• CO radial gradients in the bulge of M31
• Surface Brightness Fluctuations to constrain secondary stellar populations: Revealing very low-metallicity stars in massive galaxies
• Analysis of stellar populations with large empirical libraries at high spectral resolution
• The early B-type eclipsing binary GT\,Cephei: a massive triple system?
• J-PLUS: Detecting and studying extragalactic globular clusters -- the case of NGC 1023
• Probing General Relativity in galactic scales at z $\sim 0.3$
• Analysis of the Massive Eclipsing Binary V1441\,Aql
• TDCOSMO. XXIII. Measurement of the Hubble constant from the doubly lensed quasar HE1104-1805
• CoSHA: Code for Stellar properties Heuristic Assignment -- for the MaStar stellar library
• Late-Type Near-Contact Eclipsing Binary [HH97] FS Aur-79
• Vintage NPOI: New and Updated Angular Diameters for 145 Stars
• Spectral models of stellar populations resolved in chemical abundances
• Large-Scale Stellar Age-Velocity Spiral Pattern in NGC 4030
• Puzzling radial gradients of K-band absorption features in the giant elliptical galaxy M87
• TP-AGB stars and stellar population properties of a post-starburst galaxy at $z\sim 2$ through optical and NIR spectroscopy with JWST
• The power of low-resolution spectroscopy: On the spectral classification of planet candidates in the ground-based CoRoT follow-up
• Precision age indicators that exploit chemically peculiar stars
• Searching for Surviving Companion in the Young SMC Supernova Remnant 1E 0102.2-7219
• Stellar population analysis on the stacked spectra of double-peaked emission-line galaxies
• Constraints on Galaxy Structure and Evolution from the Light of Nearby Systems
• Physical Parameters of Stars in NGC 6397 Using ANN-Based Interpolation and Full Spectrum Fitting
• The Stellar Spectra Factory (SSF) Based On SLAM
• The orbital elements and physical properties of the eclipsing binary BD+36 3317, a probable member of $\delta$ Lyr cluster
• On the binary nature of 1RXS J162848.1-415241
• Shockingly Effective: Cluster Winds as Engines of Feedback in Starburst Galaxy VV 114
• Fundamental parameters of some B-type stars using NOAO Indo-U.S. Library
• How does the shape of the stellar spectrum affect the Raman scattering features in the albedo of exoplanets?
• Polarization echoes from past nuclear activity in the quasi-periodic eruption source GSN 069
• Systematics in ETG Mass Profile Modelling: Strong Lensing & Stellar Dynamics
• NutMaat: A Python package for stellar spectral classification on the MK system
• From gas to stars: MUSEings on the internal evolution of IC 1613
• The MAGPI Survey: the subtle role of environment and not-so-subtle impact of generations of stars on galaxy dynamics
• Revisiting dual AGN candidates with spatially resolved LBT spectroscopy -- The impact of spillover light contamination
• SDSS-IV MaStar: Determination of Stellar Parameters Using Bayesian Averaging
• Post-starburst galaxies in the centers of intermediate redshift clusters
• Initial Mass Function for Massive Galaxies at z$\sim$1
• Surface Brightness Fluctuations for constraining the chemical enrichment of massive galaxies
• TDCOSMO XXI. Accurate stellar velocity dispersions of the SL2S lens sample and the fundamental plane of the lensing mass
• Breaking the degeneracy in stellar spectral classification from single wide-band images
• Age and metallicity of Galactic clusters from full spectrum fitting
• Multi-object spectroscopy of stars in the CoRoT fields II: The stellar population of the CoRoT fields IRa01, LRa01, LRa02, and LRa06
• A Near-Infrared look at AGN Feedback in Bulgeless Galaxies
• LAMOST observations in the Kepler field
• The LF of TP-AGB stars in the LMC and SMC
• Looking for Signs of Unresolved Binarity in the Continuum of LAMOST Stellar Spectra
• The X-shooter Spectral Library (XSL): Data Release 3
• The impact of bars on the properties of HII regions in the TIMER survey