Chromospheric Variability in SDSS M Dwarfs. II. Short-Timescale H-alpha Variability (2009)
Kruse, E. A., Berger, E., Knapp, G. R., Gunn, J. E., Loomis, C. P., Lupton, R. H., ...
[Abridged] We present the first comprehensive study of short-timescale chromospheric H-alpha variability in M dwarfs using the individual 15 min spectroscopic exposures for 52,392 objects from the...
The Atacama Cosmology Telescope (ACT): Beam Profiles and First SZ Cluster Maps (2009)
Hincks, A. D., Acquaviva, V., Ade, P., Aguirre, P., Amiri, M., Appel, J. W., ...
The Atacama Cosmology Telescope (ACT) is currently observing the cosmic microwave background with arcminute resolution at 148 GHz, 218 GHz, and 277 GHz. In this paper, we present ACT's first results....
D. P. Schneider, Gary J. Hill, X. Fan, L. W. Ramsey, P. J. Macqueen, D. W. Weedman, ...
ABSTRACT. This paper describes spectra of quasar candidates acquired during the commissioning phase of the Low-Resolution Spectrograph of the Hobby-Eberly Telescope. The objects were identiÐed as...
An Object-Oriented Approach to Astronomical Databases (2007)
R. A. Shaw, H. E. Payne, R. J. Brunner, K. Ramaiyer, A. Szalay, ...
Abstract. The rate at which we can acquire astronomical data outstrips our ability to manipulate and interpret it using standard techniques. Future digital astronomical surveys will enter the...
New UltraCool and Halo White Dwarf Candidates in SDSS Stripe 82 (2007)
Vidrih, S., Bramich, D. M., Hewett, P. C., Evans, N. W., Gilmore, G., Hodgkin, S., ...
A 2.5 x 100 degree region along the celestial equator (Stripe 82) has been imaged repeatedly from 1998 to 2005 by the Sloan Digital Sky Survey. A new catalogue of ~4 million light-motion curves,...
The Sloan Digital Sky Survey-II Supernova Survey: Technical Summary (2007)
Frieman, Joshua A., Bassett, B., Becker, A., Choi, C., Cinabro, D., DeJongh, F., ...
The Sloan Digital Sky Survey-II (SDSS-II) has embarked on a multi-year project to identify and measure light curves for intermediate-redshift (0.05 < z < 0.35) Type Ia supernovae (SNe Ia) using...
An Improved Photometric Calibration of the Sloan Digital Sky Survey Imaging Data (2007)
Padmanabhan, N., Schlegel, D. J., Finkbeiner, D. P., Barentine, J. C., Blanton, M. R., Brewington, H. J., ...
We present an algorithm to photometrically calibrate wide field optical imaging surveys, that simultaneously solves for the calibration parameters and relative stellar fluxes using overlapping...
Science Results Enabled by SDSS Astrometric Observations (2007)
Ivezic, Z., Bond, N., Juric, M., Munn, J. A., Lupton, R. H., Pier, J. R., ...
We discuss several results made possible by accurate SDSS astrometric measurements in a large sky area, with emphasis on asteroids and stellar proper motions obtained by comparing POSS and SDSS. SDSS...
Obric, M., Ivezic, Z., Best, P. N., Lupton, R. H., Tremonti, C., Brinchmann, J., ...
We discuss the panchromatic properties of 99,088 galaxies selected from the SDSS Data Release 1 spectroscopic sample (a flux-limited sample for 1360 deg^2). These galaxies are positionally matched to...
The Rest-frame Optical Colors of 99,000 SDSS Galaxies (2006)
Smolcic, V., Ivezic, Z., Gacesa, M., Rakos, K., Pavlovski, K., Ilijic, S., ...
We synthesize the rest-frame Stroemgren colors using SDSS spectra for 99,088 galaxies selected from Data Release 1. This narrow-band ~200 AA photometric system (uz, vz, bz, yz), first designed for...
The Clustering of Luminous Red Galaxies in the Sloan Digital Sky Survey Imaging Data (2006)
Padmanabhan, N., Schlegel, D. J., Seljak, U., Makarov, A., Bahcall, N. A., Blanton, M. R., ...
We present the 3D real space clustering power spectrum of a sample of \~600,000 luminous red galaxies (LRGs) measured by the Sloan Digital Sky Survey (SDSS), using photometric redshifts. This sample...
The rest-frame optical colours of 99 000 sloan digital sky survey galaxies (2006)
Smolčić, V., Ivezić, Z., Gaćeša, M., Rakos, K., Pavlovski, K., Ilijić, S., ...
The rest-frame optical colours of 99000 Sloan Digital Sky Survey galaxies (2006)
Smolcic, V., Ivezic, Z., Gacesa, M., Rakos, K., Pavlovski, K., Ilijic, S., ...
We discuss the colours of 99088 galaxies selected from the Sloan Digital Sky Survey (SDSS) Data Release 1 `main' spectroscopic sample (a flux-limited sample, rPet < 17.77, for 1360 deg2) in the...
Obric, M., Ivezic, Z., Best, P. N., Lupton, R. H., Tremonti, C., Brinchmann, J., ...
We discuss the panchromatic properties of 99088 galaxies selected from the Sloan Digital Sky Survey (SDSS) Data Release 1 `main' spectroscopic sample (a flux-limited sample for 1360deg2). These...
The Sloan Digital Sky Survey Quasar Catalog III. Third Data Release (2005)
Schneider, D. P., Hall, P. B., Richards, G. T., Berk, D. E. Vanden, Anderson, S. F., Fan, X., ...
We present the third edition of the Sloan Digital Sky Survey (SDSS) Quasar Catalog. The catalog consists of the 46,420 objects in the SDSS Third Data Release that have luminosities larger than M_i =...
Eisenstein, D. J., Zehavi, I., Hogg, D. W., Scoccimarro, R., Blanton, M. R., Nichol, R. C., ...
We present the large-scale correlation function measured from a spectroscopic sample of 46,748 luminous red galaxies from the Sloan Digital Sky Survey. The survey region covers 0.72 h^{-3} Gpc^3 over...
SDSS Data Management and Photometric Quality Assessment (2004)
Ivezic, Z., Lupton, R. H., Schlegel, D., Boroski, B., Adelman-McCarthy, J., Yanny, B., ...
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 show how the position...
Multiwavelength View of SDSS Galaxies (2004)
Obric, M., Ivezic, Z., Kauffmann, G., Lupton, R. H., Tremonti, C., Brinchmann, J., ...
We summarize the detection rates at wavelengths other than optical for \~99,000 galaxies from the Sloan Digital Sky Survey (SDSS) Data Release 1 ``main'' spectroscopic sample. The analysis is based...
Quasar Variability Measurements With SDSS Repeated Imaging and POSS Data (2004)
Ivezic, Z, Lupton, R. H., Juric, M., Anderson, S., Hall, P. B., Richards, G. T., ...
We analyze the properties of quasar variability using repeated SDSS imaging data in five UV-to-far red photometric bands, accurate to 0.02 mag, for 13,000 spectroscopically confirmed quasars. The...
The Distribution of Quasars and Galaxies in Radio Color-Color and Morphology Diagrams (2004)
Ivezic, Z., Siverd, R. J., Steinhardt, W., Jagoda, A. S., Knapp, G. R., Lupton, R. H., ...
We positionally match the 6 cm GB6, 20 cm FIRST and NVSS, and 92 cm WENSS radio catalogs and find 16,500 matches in ~3,000 deg2 of sky. Using this unified radio database, we construct radio...
Variable Faint Optical Sources Discovered by Comparing POSS and SDSS Catalogs (2004)
Sesar, B., Svilkovic, D., Ivezic, Z., Lupton, R. H., Munn, J. A., Finkbeiner, D., ...
We present a study of variable faint optical sources discovered by comparing the Sloan Digital Sky Survey (SDSS) and the Palomar Observatory Sky Survey (POSS) catalogs. We use SDSS measurements to...
A Second Stellar Color Locus: a Bridge from White Dwarfs to M stars (2004)
Smolcic, V., Ivezic, Z., Knapp, G. R., Lupton, R. H., Pavlovski, K., Ilijic, S., ...
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 the main stellar...
A large sample of double-peaked Hα lines and AGN accretion disks (2004)
Strateva, I. V., Strauss, M. A., Hao, L., Schlegel, D. J., Hall, P. B., Gunn, J. E., ...
Multiwavelength view of SDSS galaxies (2004)
Obric, M., Ivezic, Z., Lupton, R. H., Kauffmann, G., Knapp, G. R., Gunn, J. E., ...
Counts of Low-redshift SDSS Quasar Candidates (2003)
Ivezic, Z., Lupton, R. H., Johnston, D. E., Richards, G. T., Hall, P. B., Schlegel, D., ...
We analyze the counts of low-redshift quasar candidates selected using nine-epoch SDSS imaging data. The co-added catalogs are more than 1 mag deeper than single-epoch SDSS data, and allow the...
Quasar Radio Dichotomy: Two Peaks, or not Two Peaks, that is the Question (2003)
Ivezic, Z., Richards, G. T., Hall, P. B., Lupton, R. H., Jagoda, A. S., Knapp, G. R., ...
Recent claims by Ivezic et al. (2002) that the distribution of the radio-to-optical flux ratio, R, for quasars is bimodal (the so-called quasar radio dichotomy) were questioned on statistical grounds...
Quantifying the bimodal color-magnitude distribution of galaxies (2003)
Baldry, I. K., Glazebrook, K., Brinkmann, J., Ivezic, Z., Lupton, R. H., Nichol, R. C., ...
We analyse the bivariate distribution, in color versus absolute magnitude (u-r vs. M_r), of a low redshift sample of galaxies from the Sloan Digital Sky Survey (SDSS; 2400 deg^2, 0.004
Color Variability of Asteroids in SDSS Moving Object Catalog (2003)
Szabo, G., Ivezic, Z., Juric, M., Lupton, R. H., Kiss, L. L.
We report a detection of statistically significant color variations for a sample of 7,531 multiply observed asteroids that are listed in the Sloan Digital Sky Survey Moving Object Catalog. Using...
Reaching to the Edge of the Milky Way Halo with SDSS (2003)
Ivezic, Z., Lupton, R. H., Schlegel, D., Smolcic, V., Johnston, D., Gunn, J. E., ...
We discuss a sample of over 3000 candidate RR Lyrae stars selected by various methods using Sloan Digital Sky Survey data for about 1000 deg^2 of sky. These stars probe the halo structure out to ~100...
Halo Structure Traced by SDSS RR Lyrae (2003)
Ivezic, Z., Lupton, R. H., Schlegel, D., Smolcic, V., Johnston, D., Gunn, J. E., ...
We discuss the density and radial velocity distributions of over 3000 candidate RR Lyrae stars selected by various methods using Sloan Digital Sky Survey data for about 1000 deg^2 of sky. This is...
Physical Evidence for Dark Energy (2003)
Scranton, R., Connolly, A. J., Nichol, R. C., Stebbins, A., Szapudi, I., Eisenstein, D. J., ...
We present measurements of the angular cross-correlation between luminous red galaxies from the Sloan Digital Sky Survey and the cosmic microwave background temperature maps from the Wilkinson...
An Initial Survey of White Dwarfs in the Sloan Digital Sky Survey (2003)
Harris, H. C., Liebert, J., Kleinman, S. J., Nitta, A., Anderson, S. F., Knapp, G. R., ...
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 full survey will be,...
The velocity dispersion function of early-type galaxies (2003)
Sheth, Ravi K., Bernardi, M., Schechter, P. L., Burles, S., Eisenstein, D. J., Finkbeiner, D. P., ...
The distribution of early-type galaxy velocity dispersions, phi(sigma), is measured using a sample drawn from the SDSS database. Its shape differs significantly from that which one obtains by simply...
Early-type galaxies in the SDSS. II. Correlations between observables (2003)
Bernardi, M., Sheth, R. K., Annis, J., Burles, S., Eisenstein, D. J., Finkbeiner, D. P., ...
A magnitude limited sample of nearly 9000 early-type galaxies, in the redshift range 0.01 < z < 0.3, was selected from the Sloan Digital Sky Survey using morphological and spectral criteria. The...
Early-type galaxies in the SDSS. III. The Fundamental Plane (2003)
Bernardi, M., Sheth, R. K., Annis, J., Burles, S., Eisenstein, D. J., Finkbeiner, D. P., ...
A magnitude limited sample of nearly 9000 early-type galaxies, in the redshift range 0.01 < z < 0.3, was selected from the Sloan Digital Sky Survey using morphological and spectral criteria. The...
Early-type galaxies in the SDSS. IV. Colors and chemical evolution (2003)
Bernardi, M., Sheth, R. K., Annis, J., Burles, S., Finkbeiner, D. P., Lupton, R. H., ...
The colors and chemical abundances of early-type galaxies at redshifts z
Early-type galaxies in the SDSS. I. The sample (2003)
Bernardi, M., Sheth, R. K., Annis, J., Burles, S., Eisenstein, D. J., Finkbeiner, D. P., ...
A sample of nearly 9000 early-type galaxies, in the redshift range 0.01 < z < 0.3, was selected from the Sloan Digital Sky Survey using morphological and spectral criteria. This paper describes how...
Variability Studies with SDSS (2003)
Ivezic, Z., Lupton, R. H., Anderson, S., Eyer, L., Juric, M., Knapp, G. R., ...
The potential of the Sloan Digital Sky Survey for wide-field variability studies is illustrated using multi-epoch observations for 3,000,000 point sources observed in 700 deg2 of sky, with time spans...
Selection of metal-poor giant stars using the Sloan Digital Sky Survey photometric system (2003)
Helmi, A., Ivezic, Z., Prada, F., Pentericci, L., Rockosi, C.M., Schneider, D.P., ...
Selection of Metal-poor Giant Stars Using the Sloan Digital Sky Survey Photometric System (2002)
Helmi, A., Ivezic, Z., Prada, F., Pentericci, L., Rockosi, C. M., Schneider, D. P., ...
We present a method for photometric selection of metal-poor halo giants from the imaging data of the Sloan Digital Sky Survey (SDSS). These stars are offset from the stellar locus in the (g-r) vs....
The Broad-band Optical Properties of Galaxies with Redshifts 0.0 < z < 0.2 (2002)
Blanton, M. R., Hogg, D. W., Bahcall, N. A., Baldry, I. K., Brinkmann, J., Csabai, I., ...
Using photometry and spectroscopy of 144,609 galaxies from the Sloan Digital Sky Survey, we present bivariate distributions of pairs of seven galaxy properties: four optical colors, surface...
Color Confirmation of Asteroid Families (2002)
Ivezic, Z., Lupton, R. H., Juric, M., Tabachnik, S., Quinn, T., Gunn, J. E., ...
We discuss optical colors of 10,592 asteroids with known orbits selected from a sample of 58,000 moving objects observed by the Sloan Digital Sky Survey (SDSS). This is more than ten times larger...
Asteroids Observed by The Sloan Digital Sky Survey (2002)
Ivezic, Z., Juric, M., Lupton, R. H., Tabachnik, S., Quinn, T.
We announce the first public release of the SDSS Moving Object Catalog, with SDSS observations for 58,117 asteroids. The catalog lists astrometric and photometric data for moving objects observed...
Galaxy clustering in early Sloan Digital Sky Survey redshift data (2002)
Zehavi, I., Blanton, M. R., Frieman, J. A., Weinberg, D. H., Mo, H. J., Strauss, M. A., ...
We present the first measurements of clustering in the Sloan Digital Sky Survey (SDSS) galaxy redshift survey. Our sample consists of 29,300 galaxies with redshifts 5700 km s(-1) less than or equal...
Sloan Digital Sky Survey: Early data release (2002)
Stoughton, C., Lupton, R. H., Bernardi, M., Blanton, M. R., Burles, S., Castander, F. J., ...
The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of 10 6 galaxies, 100,000...
Ivezic, Z., Becker, R. H., Blanton, M., Fan, X., Finlator, K., Gunn, J. E., ...
We positionally match sources observed by the Sloan Digital Sky Survey (SDSS), the Two Micron All Sky Survey (2MASS), and the Faint Images of the Radio Sky at Twenty-cm (FIRST) survey. Practically...
Early-type galaxies in the SDSS (2001)
Bernardi, M., Sheth, R. K., Annis, J., Burles, S., Eisenstein, D. J., Finkbeiner, D. P., ...
A sample of nearly 9000 early-type galaxies, in the redshift range 0.01
Eisenstein, D. J., Annis, J., Gunn, J. E., Szalay, A. S., Connolly, A. J., Nichol, R. C., ...
We describe the target selection and resulting properties of a spectroscopic sample of luminous, red galaxies (LRG) from the imaging data of the Sloan Digital Sky Survey (SDSS). These galaxies are...
An Efficient Algorithm for Positioning Tiles in the Sloan Digital Sky Survey (2001)
Blanton, M. R., Lupton, R. H., Maley, F. Miller, Young, N., Zehavi, I., Loveday, J.
The Sloan Digital Sky Survey (SDSS) will observe around 10^6 spectra from targets distributed over an area of about 10,000 square degrees, using a multi-object fiber spectrograph which can...
Solar System Objects Observed in the SDSS Commissioning Data (2001)
Ivezic, Z., Tabachnik, S., Rafikov, R., Lupton, R. H., Quinn, T., Hammergren, M., ...
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 detected in the...
A New Very Cool White Dwarf Discovered by the Sloan Digital Sky Survey (2001)
Harris, H. C., Hansen, B. M. S., Liebert, J., Berk, D. E. Vanden, Anderson, S. F., Knapp, G. R., ...
Early data taken during commissioning of the SDSS have resulted in the discovery of a very cool white dwarf. It appears to have stronger collision induced absorption from molecular hydrogen than any...
Odenkirchen, M., Grebel, E. K., Rockosi, C. M., Dehnen, W., Ibata, R., ...
We report the discovery of two well-defined tidal tails emerging from the sparse remote globular cluster Palomar 5. These tails stretch out symmetrically to both sides of the cluster in the direction...
Fan, X., Strauss, M. A., Richards, G. T., Newman, J. A., Becker, R. H., Schneider, D. P., ...
This is the third paper in a series aimed at finding high-redshift quasars from five-color (u'g'r'i'z') imaging data taken along the Celestial Equator by the SDSS during its commissioning phase. In...
Fan, X., Strauss, M. A., Schneider, D. P., Gunn, J. E., Lupton, R. H., Becker, R. H., ...
This is the fourth paper in a series aimed at finding high-redshift quasars from five-color imaging data taken along the Celestial Equator by the SDSS. during its commissioning phase. In this paper,...
The Discovery of a Luminous z=5.80 Quasar from the Sloan Digital Sky Survey (2000)
Fan, X., White, R. L., Davis, M., Becker, R. H., Strauss, M. A., Haiman, Z., ...
We present observations of SDSSp J104433.04--012502.2, a luminous quasar at z=5.80 discovered from Sloan Digital Sky Survey (SDSS) multicolor imaging data. This object was selected as an i'-band...
A method for optimal image subtraction (1997)
We present a new method designed for optimal subtraction of two images with different seeing. Using image subtraction appears to be essential for the full analysis of the microlensing survey images,...
An Object Oriented Approach to Astronomical Databases (1994)
R. J. Brunner, Brunner Ramaiyer, A. Szalay, A. J. Connolly, R. H. Lupton
. The rate at which we can acquire astronomical data outstrips our ability to manipulate and interpret it using standard techniques. Future digital astronomical surveys will enter the terabyte...