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The Seventh Data Release of the Sloan Digital Sky Survey
K. Abazajian
This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDS…
LSST: from Science Drivers to Reference Design and Anticipated Data Products
Željko Ivezić, Steven M. Kahn, J. Anthony Tyson +310
(Abridged) We describe here the most ambitious survey currently planned in the optical, the Large Synoptic Survey Telescope (LSST). A vast array of science will be enabled by a sin…
The Milky Way Tomography with SDSS: II. Stellar Metallicity
Zeljko Ivezic, Branimir Sesar, Mario Juric +50
Using effective temperature and metallicity derived from SDSS spectra for ~60,000 F and G type main sequence stars (0.2<g-r<0.6), we develop polynomial models for estimating these…
Additional Ultracool White Dwarfs Found in the Sloan Digital Sky Survey
H. C. Harris, E. Gates, G. Gyuk +12
We identify seven new ultracool white dwarfs discovered in the Sloan Digital Sky Survey (SDSS). The SDSS photometry, spectra, and proper motions are presented, and additional BVRI…
SDSS Standard Star Catalog for Stripe 82: the Dawn of Industrial 1% Optical Photometry
Zeljko Ivezic, J. Allyn Smith, Gajus Miknaitis +2
We describe a standard star catalog constructed using multiple SDSS photometric observations (at least four per band, with a median of ten) in the system. The catalog inclu…
A Comparison of SDSS Standard Star Catalog for Stripe 82 with Stetson's Photometric Standards
Z. Ivezic, J. A. Smith, G. Miknaitis +21
We compare Stetson's photometric standards with measurements listed in a standard star catalog constructed using repeated SDSS imaging observations. The SDSS catalog includes over…
A Survey of Open Clusters in the u'g'r'i'z' Filter System: III. Results for the Cluster NGC 188
Bartosz Fornal, Douglas L. Tucker, J. Allyn Smith +3
We continue our series of papers describing the results of a photometric survey of open star clusters, primarily in the southern hemisphere, taken in the u'g'r'i'z' filter system.…
A Curious New Milky Way Satellite in Ursa Major
D. B. Zucker, V. Belokurov, N. W. Evans +29
In this Letter, we study a localized stellar overdensity in the constellation of Ursa Major, first identified in Sloan Digital Sky Survey (SDSS) data and subsequently followed up w…
Photometric Accretion Signatures Near the Substellar Boundary
Peregrine M. McGehee, Andrew A. West, J. Allyn Smith +2
Multi-epoch imaging of the Orion equatorial region by the Sloan Digital Sky Survey has revealed that significant variability in the blue continuum persists into the late-M spectral…
The SDSS View of the Palomar-Green Bright Quasar Survey
Sebastian Jester, Donald P. Schneider, Gordon T. Richards +12
We investigate the extent to which the Palomar-Green (PG) Bright Quasar Survey (BQS) is complete and representative of the general quasar population by comparing with imaging and s…
The Third Data Release of the Sloan Digital Sky Survey
K. Abazajian et al.
This paper describes the Third Data Release of the Sloan Digital Sky Survey (SDSS). This release, containing data taken up through June 2003, includes imaging data in five bands ov…
SDSS Data Management and Photometric Quality Assessment
Z. Ivezic, R. H. Lupton, D. Schlegel +24
We summarize the Sloan Digital Sky Survey data acquisition and processing steps, and describe runQA, a pipeline designed for automated data quality assessment. In particular, we sh…
A Catalog of Very Isolated Galaxies from the SDSS Data Release 1
Sahar S. Allam, Douglas L. Tucker, Brian C. Lee +1
We present a new catalog of isolated galaxies obtained through an automated systematic search. These 2980 isolated galaxies were found in approximately 2099 sq deg of sky in the Sl…
The V1647 Ori (IRAS 05436-0007) Protostar and its Environment
Peregrine M. McGehee, J. Allyn Smith, Arne A. Henden +5
We present Sloan Digital Sky Survey and United States Naval Observatory observations of the V1647 Ori protostar and surrounding field near NGC 2068. V1647 Ori, the likely driving s…
The Second Data Release of the Sloan Digital Sky Survey
K. Abazajian et al.
The Sloan Digital Sky Survey has validated and made publicly available its Second Data Release. This data release consists of 3324 square degrees of five-band (u g r i z) imaging d…
A Second Stellar Color Locus: a Bridge from White Dwarfs to M stars
V. Smolcic, Z. Ivezic, G. R. Knapp +14
We report the discovery of a locus of stars in the SDSS g-r vs. u-g color-color diagram that connects the colors of white dwarfs and M dwarfs. While its contrast with respect to th…
A Survey of Open Clusters in the u'g'r'i'z' Filter System: I. Results for NGC2548 (M48)
Cristin J. Rider, Douglas L. Tucker, J. Allyn Smith +3
We present initial results of a photometric survey of open star clusters, primarily in the southern hemisphere, taken in the u'g'r'i'z' filter system. While our entire observed sam…
Merging Galaxies in the SDSS EDR
S. S. Allam, D. L. Tucker, J. A. Smith +5
We present a new catalog of merging galaxies obtained through an automated systematic search routine. The 1479 new pairs of merging galaxies were found in approximately 462 sq deg…
An Initial Survey of White Dwarfs in the Sloan Digital Sky Survey
H. C. Harris, J. Liebert, S. J. Kleinman +35
An initial assessment is made of white dwarf and hot subdwarf stars observed in the Sloan Digital Sky Survey. In a small area of sky (190 square degrees), observed much like the fu…
The u'g'r'i'z' Standard Star Network
J. A. Smith, D. L. Tucker, S. Kent +19
We present the 158 standard stars that define the u'g'r'i'z' photometric system. These stars form the basis for the photometric calibration of the Sloan Digital Sky Survey (SDSS).…
The Ghost of Sagittarius and Lumps in the Halo of the Milky Way
Heidi Jo Newberg, Brian Yanny, Constance M. Rockosi +16
We identify new structures in the halo of the Milky Way Galaxy from positions, colors and magnitudes of five million stars detected in the Sloan Digital Sky Survey. Most of these s…
Infrared Photometry of Late-M, L, and T Dwarfs
S. K. Leggett, D. A. Golimowski, X. Fan +2
We present ZJHKL'M' photometry of a sample of 58 late-M, L, and T dwarfs, most of which are identified from the Sloan Digital Sky Survey and the Two Micron All-Sky Survey. Near-inf…
Towards Spectral Classification of L and T Dwarfs: Infrared and Optical Spectroscopy and Analysis
T. R. Geballe, G. R. Knapp, S. K. Leggett +2
We present 0.6-2.5um, R~400 spectra of twenty-seven cool, low luminosity stars and substellar objects. Based on these and previously published spectra we develop a preliminary spec…
Solar System Objects Observed in the SDSS Commissioning Data
Z. Ivezic, S. Tabachnik, R. Rafikov +4
We discuss measurements of the properties of about 10,000 asteroids detected in 500 deg2 of sky in the Sloan Digital Sky Survey (SDSS) commissioning data. The moving objects are de…