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The Metallicity Distribution Functions of SEGUE G and K dwarfs: Constraints for Disk Chemical Evolution and Formation
Katharine J. Schlesinger, Jennifer A. Johnson, Constance M. Rockosi +14
We present the metallicity distribution function (MDF) for 24,270 G and 16,847 K dwarfs at distances from 0.2 to 2.3 kpc from the Galactic plane, based on spectroscopy from the Slo…
Time-Resolved Spectroscopy with SDSS
Steven Bickerton, Carles Badenes, Thomas Hettinger +2
We present a brief technical outline of the newly-formed 'Detection of Spectroscopic Differences over Time' (DS/DT) project. Our collaboration is using the individual exposures fro…
Milky Way Tomography IV: Dissecting Dust
Michael Berry, Željko Ivezić, Branimir Sesar +28
We use SDSS photometry of 73 million stars to simultaneously obtain best-fit main-sequence stellar energy distribution (SED) and amount of dust extinction along the line of sight t…
The Assembly of the Halo System of the Milky Way as Revealed by SDSS/SEGUE -- The CEMP Star Connection
Timothy C. Beers, Daniela Carollo
In recent years, massive new spectroscopic data sets, such as the over half million stellar spectra obtained during the course of SDSS (in particular its sub-survey SEGUE), have pr…
The spatial structure of mono-abundance sub-populations of the Milky Way disk
Jo Bovy, Hans-Walter Rix, Chao Liu +3
The spatial, kinematic, and elemental-abundance structure of the Milky Way's stellar disk is complex, and has been difficult to dissect with local spectroscopic or global photometr…
Metallicity Gradients in the Milky Way Disk as Observed by the SEGUE Survey
Judy Y. Cheng, Constance M. Rockosi, Heather L. Morrison +6
The observed radial and vertical metallicity distribution of old stars in the Milky Way disk provides a powerful constraint on the chemical enrichment and dynamical history of the…