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Data Release 10
Help
- The Tenth SDSS Data Release (DR10)
Software
Imaging
- What's New in DR10?
Data Access
Algorithms
- SDSS-III Bitmasks in IDL
- Transformations between SDSS magnitudes and other systems
- CALIB_STATUS: Calibration status for an SDSS image
- Seeing During Spectroscopic Observations
- Previous versions of SEGUE1 Target Selection
- BOSS Target Selection
- Deblending Overlapping Objects
- SEGUE2_TARGET2: SEGUE-2 secondary target bits
- Photometric Redshifts
- RESOLVE_STATUS
- BOSS Galaxy Target Selection
- Algorithms in SDSS Data Release 10
- Secondary target mask bits in SDSS-I, -II
- BOSS_TARGET1: BOSS survey primary target selection flags
- FLAGS2: Object flags from photo reductions (second 32 of CAS flags bitmask)
- Mask bits for an SDSS spectrum
- Morphology/Classification
- Sky Measurements
- Target Selection of F Star Photometric Standards
- ZWARNING: Warnings for SDSS spectra
- SEGUE Plates, organized by Program and Survey
- Spectrophotometry
- APOGEE_STARFLAG: APOGEE star level bitmask flag
- DR9 Galaxy Target Selection
- Stellar Populations Models
- Redshifts, Classifications and Velocity Dispersions
- ANCILLARY_TARGET2: More objects selected as BOSS Ancillary Targets
- Understanding the image processing flags - Details
- IMAGE_STATUS: Sky and instrument conditions of SDSS image
- Astrometry
- Extracting PSF Images
- APOGEE_TARGET1: 1/2 APOGEE target bits (New for DR10)
- Queries to Isolate the Complete SEGUE-1 G and K dwarf Sample
- Estimates for the ugriz colors of Vega and the Sun
- SEGUE1_TARGET1: SEGUE-1 primary target bits
- The Sloan Digital Sky Survey Quasar Catalog: tenth data release
- SPECIAL_TARGET1: SDSS special program target bits
- ANCILLARY_TARGET1: Objects selected as BOSS Ancillary Targets
- SDSS Survey coordinates
- A Guide to SEGUE Bitmasks
Ancillary
- Ancillary Targets
BOSS
- High-Redshift Quasars
- High-Redshift Quasars from SDSS and UKIDSS
- Brightest Cluster Galaxies in SDSS Stripe 82
- Broad Absorption Line (BAL) Quasar Variability Survey
- Bright Galaxies
- BOSS Ancillary Targets
- Host Galaxies of SDSS Supernovae
- Double-lobed Radio Quasars
- Variable Quasars with Narrow-line Absorption
- High-Quality LRG Spectra
- Reddened Quasars
- K-Band Selected Sample of Quasars
- High Energy Blazars and Optical Counterparts of Gamma-ray Sources
- Galaxies Near SDSS Quasar Sight Lines
- X-Ray View of Star-Formation and Accretion in Normal Galaxies
- Remarkable X-Ray Source Populations
- Variability-Selected Quasars
- No Quasar Left Behind
- Very Low-Mass Stars and Brown Dwarfs
- White Dwarfs and Hot Subdwarf Stars
- The Transient Universe in Stripe 82
- Luminous Blue Galaxies
- Low-Mass Binary Stars
- Distant Halo Giants
- Star-Forming Radio Galaxies
APOGEE
- Secondary target mask bits in SDSS-I, -II
- APOGEE_PARAMFLAG: APOGEE parameter bitmask flag
- BOSS Quasar Target Selection
- FLAGS1: Object flags from photo reductions (first 32 of CAS flags bitmask)
- Understanding the image processing flags - Summary table
- BOSS Tiling and Geometry
- FLUXMATCH_STATUS: Flags from flux-based matching to SDSS photometry
- Algorithms: Image masks
- Wavelength Calibration
- SDSS-III Bitmasks
- SEGUE1_TARGET2: SEGUE-1 secondary target bits
- SEGUE Stellar Target Selection: Detailed Selection Criteria
- Accounting for Observational Biases in SEGUE
- Primary target mask bits in SDSS-I, -II (for LEGACY_TARGET1 or PRIMTARGET).
- Special Target Selection
- SDSS-III Bitmasks in CAS
- Flux Calibration
- SEGUE2_TARGET1: SEGUE-2 primary target bits
- The Tiling Of Spectroscopy Plates
- APOGEE_TARGET2: 2/2 APOGEE target bits (New for DR10)
- APOGEE_ASPCAPFLAG: APOGEE ASPCAP bitmask flag
- Recommendation on use photometric processing flags
- APOGEE_PIXMASK: APOGEE pixel level mask bits
- Matching photometry and spectra
- BOSSTILE_STATUS: BOSS tiling code status bits
- Legacy Survey Target Selection
- Resolve
- Image quality flags
- SEGUE Target Selection
- Measures Of Flux And Magnitude
Tutorials
- Understand data
- Tutorials
- Image Tutorial
- Finding Data Tutorial
- Stripe 82 Images Tutorial
- Flags Tutorial
- FITS Tutorial
- Using SEGUE and CASJobs
- Finding Files Tutorial
- Catalog Tutorial
- Proper Motion Tutorial
- Creating a Large Scale Structure Galaxy Catalog
- Cross-ID Tutorial
- Getting Started with SEGUE
- Understand data
- Finding Chart Tutorial
- Obtaining Spectra based on Color Constraints
- Spectra Tutorial
- Spectra Tutorial
- Random Objects Tutorial
- Pairs Tutorial
- Downloading the data
- IRAF Tutorial
IR Spectra
- APOGEE stellar parameters and abundances
- SDSS-III Infrared Spectroscopic Data from APOGEE
- SDSS-III APOGEE caveats
- SDSS-III APOGEE visit reduction
- SDSS-III APOGEE parameter catalogs
- SDSS-III APOGEE Visit Combination
- Available Infrared Spectroscopic Data from SDSS-III APOGEE
- Understanding SDSS-III APOGEE Infrared Spectroscopic Data
- SDSS-III APOGEE Radial Velocities
- The SDSS-III APOGEE Spectroscopic Pipeline
- Using APOGEE Spectra
- Using APOGEE stellar parameters
- Spectroscopic Target Selection and Target Flags
Optical Spectra
- Galaxy Properties from the Portsmouth Group
- Galaxy Properties from the Granada Group
- SEGUE Stellar Parameter Pipeline (SSPP)
- Accessing SSPP Parameters - SSPP
- SDSS Spectroscopic Data
- Spectroscopic Data Quality Flags
- Spectroscopic Caveats
- Special Plates
- Flags in the SSPP - SSPP
- Galaxy Properties
- SDSS spectroscopic catalogs
- Temperature Estimate from InFred Flux Method (IRFM) - SSPP
- Re-calibration of SSPP Parameters - SSPP
- Galaxy Properties for DR8 spectra from MPA-JHU
- Available Spectroscopic Data
- Line Index Measurement in SSPP - SSPP
- Comparisons with High-resolution Sample - SSPP
- Individual Methods Used in SSPP - SSPP
- Examples of SSPP Output Plots - SSPP
- Understanding SDSS spectroscopic data
- Galaxy Properties from the Wisconsin Group
- Internal Consistency of Each Parameter in SSPP - SSPP
- Comparisons with Globular and Open Clusters - SSPP
- The Spectroscopic Pipeline
- List of Changes in SSPP Since DR8 - SSPP
- Spectra
- Decision Tree to Calculate Atmospheric Parameters - SSPP
- List of Stars with [α/Fe]
- SEGUE Duplicate Spectra
- Spectroscopic Target Flags
- The Scope of DR10
Press
- Astronomers from the Sloan Digital Sky Survey Make the Most Precise Measurement Yet of the Expanding Universe
- Not All Who Wander Are Lost
- The Sloan Guide to the Universe
- New 3-D Map of Massive Galaxies and Distant Black Holes Offers Clues to Dark Matter and Dark Energy
- SDSS-III Press Releases
- Two Heads Are Better than One
- A New Search for Dark Energy Begins
- When Dark Energy Turned On
- dr10
- A One-Percent Measure of the Universe
- Stars in Our Galaxy Move Far From Home
- The Great Space Coaster
- New Instrument Peers Through the Heart of the Milky Way
- Gone, with the Wind
- These Little Lights of Mine
- So These Stars Orbit in a Bar...
- A Beast With Four Tails
- Fireworks
- Astronomers Release the Largest Color Image of the Sky Ever Made
- SDSS-III
Instruments
Data Release 9
Help
- The Ninth SDSS Data Release (DR9)
Software
Imaging
- What's New in DR9?
Data Access
Algorithms
- Legacy Survey Target Selection
- SDSS-III Bitmasks in IDL
- Transformations between SDSS magnitudes and other systems
- Galaxy Properties from the Portsmouth Group
- CALIB_STATUS: Calibration status for an SDSS image
- Previous versions of SEGUE1 Target Selection
- BOSS Target Selection
- Deblending Overlapping Objects
- SEGUE2_TARGET2: SEGUE-2 secondary target bits
- Photometric Redshifts
- RESOLVE_STATUS
- BOSS Galaxy Target Selection
- Algorithms in SDSS Data Release 9
- The Tiling Of Spectroscopy Plates
- Secondary target mask bits in SDSS-I, -II (for LEGACY_TARGET2, SEGUE1_TARGET2, SEGUE2_TARGET2, SPECIAL_TARGET2 or SECTARGET).
- BOSS_TARGET1: BOSS survey primary target selection flags
- FLAGS2: Object flags from photo reductions (second 32 of CAS flags bitmask)
- Mask bits for an SDSS spectrum
- Morphology/Classification
- Sky Measurements
- Galaxy Properties from the MPA-JHU Group
- Target Selection of F Star Photometric Standards
- ZWARNING: Warnings for SDSS spectra
- Galaxy Properties
- SEGUE Plates, organized by Program and Survey
- Spectrophotometry
- DR9 Galaxy Target Selection
- Stellar Populations Models
- Redshifts, Classifications and Velocity Dispersions
- ANCILLARY_TARGET2: More objects selected as BOSS Ancillary Targets
- Special Target Selection
- Understanding the image processing flags - Details
- IMAGE_STATUS: Sky and instrument conditions of SDSS image
- Astrometry
- Extracting PSF Images
- APOGEE_TARGET1: APOGEE primary target bits (Not in DR9)
- Queries to Isolate the Complete SEGUE-1 G and K dwarf Sample
- Estimates for the ugriz colors of Vega and the Sun
- SEGUE1_TARGET1: SEGUE-1 primary target bits
- The Sloan Digital Sky Survey Quasar Catalog: ninth data release
- SPECIAL_TARGET1: SDSS special program target bits
- ANCILLARY_TARGET1: Objects selected as BOSS Ancillary Targets
- SDSS Survey coordinates
- A Guide to SEGUE Bitmasks
Ancillary
- High-Redshift Quasars
- High-Redshift Quasars from SDSS and UKIDSS
- Brightest Cluster Galaxies in SDSS Stripe 82
- Broad Absorption Line (BAL) Quasar Variability Survey
- Bright Galaxies
- BOSS Ancillary Targets
- Host Galaxies of SDSS Supernovae
- Double-lobed Radio Quasars
- Variable Quasars with Narrow-line Absorption
- High-Quality LRG Spectra
- Reddened Quasars
- K-Band Selected Sample of Quasars
- High Energy Blazars and Optical Counterparts of Gamma-ray Sources
- Galaxies Near SDSS Quasar Sight Lines
- X-Ray View of Star-Formation and Accretion in Normal Galaxies
- Remarkable X-Ray Source Populations
- Variability-Selected Quasars
- No Quasar Left Behind
- Very Low-Mass Stars and Brown Dwarfs
- White Dwarfs and Hot Subdwarf Stars
- The Transient Universe in Stripe 82
- Luminous Blue Galaxies
- Low-Mass Binary Stars
- Distant Halo Giants
- Star Forming Radio Galaxies
- BOSS Quasar Target Selection
- FLAGS1: Object flags from photo reductions (first 32 of CAS flags bitmask)
- Understanding the image processing flags - Summary table
- BOSS Tiling and Geometry
- FLUXMATCH_STATUS: Flags from flux-based matching to SDSS photometry
- Algorithms: Image masks
- Wavelength Calibration
- SDSS-III Bitmasks
- Galaxy Properties from the Wisconsin Group
- SEGUE1_TARGET2: SEGUE-1 secondary target bits
- SEGUE Stellar Target Selection: Detailed Selection Criteria
- Accounting for Observational Biases in SEGUE
- Primary target mask bits in SDSS-I, -II (for LEGACY_TARGET1 or PRIMTARGET).
- SDSS-III Bitmasks in CAS
- Flux Calibration
- SEGUE2_TARGET1: SEGUE-2 primary target bits
- APOGEE_TARGET2: APOGEE secondary target bits (Not in DR9)
- Recommendation on use photometric processing flags
- The BOSS DR9 Lyman-alpha Forest Catalog and Sample
- Matching photometry and spectra
- BOSSTILE_STATUS: BOSS tiling code status bits
- Resolve
- Image quality flags
- SEGUE Target Selection
- The Quasar Luminosity Function from DR9
- Measures Of Flux And Magnitude
Tutorials
- Understand data
- Tutorials
- Image Tutorial
- Finding Data Tutorial
- Flags Tutorial
- FITS Tutorial
- Using SEGUE and CASJobs
- Finding Files Tutorial
- Catalog Tutorial
- Proper Motion Tutorial
- Creating a Large Scale Structure Galaxy Catalog
- Cross-ID Tutorial
- Getting Started with SEGUE
- Understand data
- Finding Chart Tutorial
- Obtaining Spectra based on Color Constraints
- Spectra Tutorial
- Random Objects Tutorial
- Pairs Tutorial
- Downloading the data
Optical Spectra
- SEGUE Stellar Parameter Pipeline (SSPP)
- Accessing SSPP Parameters - SSPP
- SDSS Spectroscopic Data
- Spectroscopic Data Quality Flags
- Spectroscopic Caveats
- Flags in the SSPP - SSPP
- Galaxy Products
- SDSS spectroscopic catalogs
- Temperature Estimate from InFred Flux Method (IRFM) - SSPP
- Re-calibration of SSPP Parameters - SSPP
- Available spectroscopic data
- Line Index Measurement in SSPP - SSPP
- Comparisons with High-resolution Sample - SSPP
- Individual Methods Used in SSPP - SSPP
- Examples of SSPP Output Plots - SSPP
- Understanding SDSS spectroscopic data
- Internal Consistency of Each Parameter in SSPP - SSPP
- Comparisons with Globular and Open Clusters - SSPP
- The Spectroscopic Pipeline
- List of Changes in SSPP Since DR8 - SSPP
- Spectra
- Decision Tree to Calculate Atmospheric Parameters - SSPP
- List of Stars with [α/Fe]
- SEGUE Duplicate Spectra
- Spectroscopic Target Flags
- The Scope of DR9
- Contacting SDSS-III
- Site Map
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Info
- Empty Directory
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Branches
- Empty Directory
Hooks
- Empty Directory
Science
- Science Results
- SDSS Technical Publications
- SDSS Image Gallery
- MARVELS Publications and Results
- SDSS Galaxy Map - Gallery
- SEGUE Publications and Results
- The SDSS Telescope - Gallery
- Quasar Spectra - Gallery
- SDSS Field of Streams - Gallery
- SDSS-II Supernovae - Gallery
- BOSS DR9 Publications and Results
- Asteroids Named for the Granite Mountain Hotshots
- M51 - Gallery
- BOSS Publications and Results
- SDSS Data Release Publications
- SDSS-III Publications
- APOGEE Publications and Results
Future
Collaboration
Data Release 8
- Data Access for SDSS DR8
Help
- The Eighth SDSS Data Release (DR8)
Software
- Glossary of SDSS-III Terminology
Imaging
- What's New in DR8?
Algorithms
- Legacy Survey Target Selection
- SDSS-III Bitmasks in IDL
- Transformations between SDSS magnitudes and other systems
- CALIB_STATUS: Calibration status for an SDSS image
- Deblending Overlapping Objects
- SEGUE2_TARGET2: SEGUE-2 secondary target bits
- Photometric Redshifts
- RESOLVE_STATUS
- Algorithms in SDSS DR8
- The Tiling Of Spectroscopy Plates
- Secondary target mask bits in SDSS-I, -II (for LEGACY_TARGET2, SEGUE1_TARGET2, SEGUE2_TARGET2, SPECIAL_TARGET2 or SECTARGET).
- FLAGS2: Object flags from photo reductions (second 32 of CAS flags bitmask)
- Mask bits for an SDSS spectrum.
- Morphology/Classification
- Sky Measurements
- ZWARNING: Warnings for SDSS spectra.
- Spectrophotometry
- Redshifts and Classifications
- Special Target Selection
- Understanding the image processing flags - Details
- IMAGE_STATUS: Sky and instrument conditions of SDSS image
- Astrometry
- Extracting PSF Images
- Estimates for the ugriz colors of Vega and the Sun
- SEGUE1_TARGET: SEGUE-1 primary target bits
- SPECIAL_TARGET1: SDSS special program target bits
- SDSS Survey coordinates
- FLAGS1: Object flags from photo reductions (first 32 of CAS flags bitmask)
- Understanding the image processing flags - Summary table
- FLUXMATCH_STATUS: Flags from flux-based matching to SDSS photometry
- Algorithms: Image masks
- Wavelength Calibration
- SDSS-III Bitmasks
- Primary target mask bits in SDSS-I, -II (for LEGACY_TARGET1 or PRIMTARGET).
- SDSS-III Bitmasks in CAS
- Velocity dispersion measurements
SEGUE-2
- Flux Calibration
- SEGUE2_TARGET1: SEGUE-2 primary target bits
- Recommendation on use photometric processing flags
- Matching photometry and spectra.
- Resolve
- Image quality flags
- Measures Of Flux And Magnitude
Optical Spectra
- SEGUE Stellar Parameter Pipeline (SSPP)
- Spectroscopic data
- Spectroscopic Data Quality Flags
- Spectroscopic Caveats
- Flags in the SSPP - SSPP
- Galspec
- SDSS spectroscopic catalogs
- Spectra and parameters on the Science Archive Server
- Line Index Measurement in SSPP - SSPP
- Status of High-resolution Observations - SSPP
- Individual Methods Used in SSPP - SSPP
- Examples of SSPP Output Plots - SSPP
- Basics of SDSS spectrograph data
- Comparisons with Globular and Open Clusters - SSPP
- Spectroscopic Data Processing
- Spectra
- Decision Tree to Calculate Atmospheric Parameters - SSPP
- Spectroscopic Target Flags
- The Scope of DR8
- Search
Surveys
Education