Value Added Catalogs

In addition to the primary SDSS photometry and spectroscopy, there are a few extra catalogs created by our collaborators that are distributed through the SAS. These Value-Added Catalogs (VACs) are listed below, and include catalogs that were released in earlier data releases.

DR14 APOGEE-TGAS Catalogue

DR14
APOGEE-2
No CAS
STAR
F. Anders et al.

Astro-spectrophotometric distances, extinctions and orbit parameters for stars in the overlap sample between APOGEE and TGAS.

Photometric Redshift Distributions

DR13
BOSS
No CAS
GALAXY
Erin S. Sheldon et al.

Redshift probability distributions derived with weighting techniques for photometrically detected galaxies.

WISE Forced Photometry

DR13
eBOSS
No CAS
STAR
GALAXY
Dustin Lang et al.

Catalog of SDSS and WISE sources, matched using forced photometry.

XDQSO

DR13
DR12
DR10
DR9
DR8
BOSS
No CAS
QSO
Jo Bovy et al.

Quasar probability distributions for target selection in color-color space, based on extreme deconvolution methods.

MPA-JHU Stellar Masses

DR8
Legacy
No CAS
GALAXY
Guinevere Kauffmann

Galaxy properties of DR8 spectra, based on Galspec by MPA-JHU.

SEGUE [α/Fe] Values

DR8
SEGUE
No CAS
STAR
Young Sun Lee et al.

Catalog of [α/Fe] ratios for SDSS and SEGUE stars.

MaNGA Firefly Stellar Populations

DR14
MaNGA
CAS
GALAXY
Daniel Thomas et al.

Catalog of stellar population properties of MaNGA galaxies, as measured by the Firefly spectral fitting code

Multi-wavelength properties of RASS AGN

DR14
SPIDERS
No CAS
GALAXY
Andrea Merloni et al.

Multi-wavelength characterization of active galactic nuclei (AGN) from the ROSAT All-Sky Survey, based on X-ray, optical, infra-red and radio data.

ELG Fisher selection catalog

DR13
eBOSS
No CAS
GALAXY
Timothée Delubac et al.

Catalogs of photometrically-selected Emission Line Galaxies (ELGs) at z ≈ 0.8.

QSO variability

DR13
eBOSS
CAS
QSO
Eric Armengaud et al.

Variability information for eBOSS quasar targets.

Granada FSPS Stellar Masses

DR12
DR11
DR10
BOSS
CAS
GALAXY
Antonio Montero-Dorta

Galaxy stellar masses based on Flexible Stellar Population Synthesis by the Granada group, for BOSS galaxies.