Tamás Budavári

Spatial Clustering from GALEX-SDSS Samples: Star Formation History and Large-Scale Clustering (2009)

Heinis, Sébastien, Budavári, Tamás, Szalay, Alex S., Arnouts, Stéphane, Aragόn-Calvo, Miguel A., Wyder, Ted K., ...

We measure the projected spatial correlation function w_p (r_p ) from a large sample combining Galaxy Evolution Explorer ultraviolet imaging with the Sloan Digital Sky Survey spectroscopic sample. We...

The Seventh Data Release of the Sloan Digital Sky Survey (2009)

Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Allende Prieto, Carlos, An, Deokkeun, ...

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 SDSS-II. It includes...

GALEX–SDSS catalogs for statistical studies (2009)

Budavári, Tamás, Heinis, Sébastien, Szalay, Alexander S., Nieto-Santisteban, María, Gupchup, Jayant, Shiao, Bernie, ...

We present a detailed study of the Galaxy Evolution Explorer’s (GALEX) photometric catalogs with special focus on the statistical properties of the All-sky and Medium Imaging Surveys. We introduce...

Spectrum and Bandpass Services for the Virtual Observatory (2008)

László Dobos, Tamás Budavári, István Csabai, Er S. Szalay

Abstract. We present easy-to-use web applications and XML Web Services to search, plot and manage spectral energy distributions and filter profiles. We provide keyword search, advanced query forms...

The sixth data release of the Sloan Digital Sky Survey (2008)

Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Prieto, Carlos Allende, Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Sixth Data Release of the Sloan Digital Sky Survey. With this data release, the imaging of the northern Galactic cap is now complete. The survey contains images and...

Photometric Redshift Estimation on SDSS Data Using Random Forests (2007)

Carliles, Samuel, Budavári, Tamás, Heinis, Sebastien, Priebe, Carey, Szalay, Alexander

Given multiband photometric data from the SDSS DR6, we estimate galaxy redshifts. We employ a Random Forest trained on color features and spectroscopic redshifts from 80,000 randomly chosen primary...

The Fifth Data Release of the Sloan Digital Sky Survey (2007)

Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fifth Data Release (DR5) of the Sloan Digital Sky Survey (SDSS). DR5 includes all survey quality data taken through 2005 June and represents the completion of the SDSS-I...

Spectral energy distributions and multiwavelength selection of type 1 quasars (2006)

Richards, Gordon T., Lacy, Mark, Storrie-Lombardi, Lisa J., Hall, Patrick B., Gallagher, S. C., Hines, Dean C., ...

We present an analysis of the mid-infrared (MIR) and optical properties of type 1 (broad-line) quasars detected by the Spitzer Space Telescope. The MIR color-redshift relation is characterized to...

The Fourth Data Release of the Sloan Digital Sky Survey (2006)

Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fourth Data Release of the Sloan Digital Sky Survey (SDSS), including all survey-quality data taken through 2004 June. The data release includes five-band photometric data...

The UV Galaxy Luminosity Function in the Local Universe from GALEX Data (2005)

Wyder, Ted K., Treyer, Marie A., Milliard, Bruno, Schiminovich, David, Arnouts, Stéphane, Budavári, Tamás, ...

We present the results of a determination of the galaxy luminosity function at ultraviolet wavelengths at redshifts of $z=0.0-0.1$ from GALEX data. We determined the luminosity function in the GALEX...

Fast Edge Corrected Measurement of the Two-Point Correlation Function and the Power Spectrum (2005)

Szapudi, István, Pan, Jun, Prunet, Simon, Budavári, Tamás

We present two related techniques to measure the two-point correlation function and the power spectrum with edge correction in any spatial dimensions. The underlying algorithm uses fast Fourier...

The Third Data Release of the Sloan Digital Sky Survey (2005)

Abazajian, Kevork, Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Third Data Release of the Sloan Digital Sky Survey (SDSS). This release, containing data taken up through 2003 June, includes imaging data in five bands over 5282 deg2,...

The UV Galaxy Luminosity Function in the Local Universe from GALEX Data (2004)

Wyder, Ted K., Treyer, Marie A., Milliard, Bruno, Schiminovich, David, Arnouts, Stéphane, Budavári, Tamás, ...

We present the results of a determination of the galaxy luminosity function at ultraviolet wavelengths at redshifts of $z=0.0-0.1$ from GALEX data. We determined the luminosity function in the GALEX...

The UV Galaxy Luminosity Function in the Local Universe from GALEX Data (2004)

Wyder, Ted K., Treyer, Marie A., Milliard, Bruno, Schiminovich, David, Arnouts, Stéphane, Budavári, Tamás, ...

We present the results of a determination of the galaxy luminosity function at ultraviolet wavelengths at redshifts of $z=0.0-0.1$ from GALEX data. We determined the luminosity function in the GALEX...

The UV Galaxy Luminosity Function in the Local Universe from GALEX Data (2004)

Wyder, Ted K., Treyer, Marie A., Milliard, Bruno, Schiminovich, David, Arnouts, Stéphane, Budavári, Tamás, ...

We present the results of a determination of the galaxy luminosity function at ultraviolet wavelengths at redshifts of $z=0.0-0.1$ from GALEX data. We determined the luminosity function in the GALEX...

The second data release of the Sloan Digital Sky Survey (2004)

Abazajian, Kevork, Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt, Anderson, Scott F., ...

The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its Second Data Release. This data release consists of 3324 deg2 of five-band (ugriz) imaging data with photometry for...

Sloan Digital Sky Survey Imaging of Low Galactic Latitude Fields: Technical Summary and Data Release (2004)

Finkbeiner, Douglas P., Padmanabhan, Nikhil, Schlegel, David J., Carr, Michael A., Gunn, James E., Rockosi, Constance M., ...

The Sloan Digital Sky Survey (SDSS) mosaic camera and telescope have obtained five-band optical-wavelength imaging near the Galactic plane outside of the nominal survey boundaries. These additional...

Extending the SDSS Batch Query System to the National Virtual Observatory Grid (2004)

Alexander S. Szalay, William O'Mullane, Jim Gray, Jim Gray, ...

The Sloan Digital Sky Survey science database is approaching 2TB. While the vast majority of queries normally execute in seconds or minutes, this interactive execution time can be disproportionately...