Galex-SDSS catalogs for statistical studies

Tams Budavri; Sébastien Heinis; Alexander S. Szalay; María Nieto-Santisteban; Jayant Gupchup; Bernie Shiao; Myron Smith; Ruixiang Chang; Guinevere Kauffmann; Patrick Morrissey; David Schiminovich; Bruno Milliard; Ted K. Wyder; D. Christopher Martin; Tom A. Barlow; Mark Seibert; Karl Forster; Luciana Bianchi; Jose Donas; Peter G. Friedman; Timothy M. Heckman; Young Wook Lee; Barry F. Madore; Susan G. Neff; R. Michael Rich; Barry Y. Welsh

doi:10.1088/0004-637X/694/2/1281

Galex-SDSS catalogs for statistical studies

Tams Budavri, Sébastien Heinis, Alexander S. Szalay, María Nieto-Santisteban, Jayant Gupchup, Bernie Shiao, Myron Smith, Ruixiang Chang, Guinevere Kauffmann, Patrick Morrissey, David Schiminovich, Bruno Milliard, Ted K. Wyder, D. Christopher Martin, Tom A. Barlow, Mark Seibert, Karl Forster, Luciana Bianchi, Jose Donas, Peter G. FriedmanTimothy M. Heckman, Young Wook Lee, Barry F. Madore, Susan G. Neff, R. Michael Rich, Barry Y. Welsh

Research output: Contribution to journal › Article

48 Citations (Scopus)

Abstract

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 the concept of primaries to resolve the issue of multiple detections and follow a geometric approach to define clean catalogs with well understood selection functions. We cross-identify the GALEX sources (GR2+3) with Sloan Digital Sky Survey (SDSS; DR6) observations, which indirectly provides an invaluable insight into the astrometric model of the UV sources and allows us to revise the band merging strategy. We derive the formal description of the GALEX footprints as well as their intersections with the SDSS coverage along with analytic calculations of their areal coverage. The crossmatch catalogs are made available for the public. We conclude by illustrating the implementation of typical selection criteria in SQL for catalog subsets geared toward statistical analyses, e.g., correlation and luminosity function studies.

Original language	English
Pages (from-to)	1281-1292
Number of pages	12
Journal	Astrophysical Journal
Volume	694
Issue number	2
DOIs	https://doi.org/10.1088/0004-637X/694/2/1281
Publication status	Published - 2009 Jan 1

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All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

Cite this

Budavri, T., Heinis, S., Szalay, A. S., Nieto-Santisteban, M., Gupchup, J., Shiao, B., Smith, M., Chang, R., Kauffmann, G., Morrissey, P., Schiminovich, D., Milliard, B., Wyder, T. K., Martin, D. C., Barlow, T. A., Seibert, M., Forster, K., Bianchi, L., Donas, J., ... Welsh, B. Y. (2009). Galex-SDSS catalogs for statistical studies. Astrophysical Journal, 694(2), 1281-1292. https://doi.org/10.1088/0004-637X/694/2/1281

Budavri, Tams ; Heinis, Sébastien ; Szalay, Alexander S. ; Nieto-Santisteban, María ; Gupchup, Jayant ; Shiao, Bernie ; Smith, Myron ; Chang, Ruixiang ; Kauffmann, Guinevere ; Morrissey, Patrick ; Schiminovich, David ; Milliard, Bruno ; Wyder, Ted K. ; Martin, D. Christopher ; Barlow, Tom A. ; Seibert, Mark ; Forster, Karl ; Bianchi, Luciana ; Donas, Jose ; Friedman, Peter G. ; Heckman, Timothy M. ; Lee, Young Wook ; Madore, Barry F. ; Neff, Susan G. ; Rich, R. Michael ; Welsh, Barry Y. / Galex-SDSS catalogs for statistical studies. In: Astrophysical Journal. 2009 ; Vol. 694, No. 2. pp. 1281-1292.

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abstract = "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 the concept of primaries to resolve the issue of multiple detections and follow a geometric approach to define clean catalogs with well understood selection functions. We cross-identify the GALEX sources (GR2+3) with Sloan Digital Sky Survey (SDSS; DR6) observations, which indirectly provides an invaluable insight into the astrometric model of the UV sources and allows us to revise the band merging strategy. We derive the formal description of the GALEX footprints as well as their intersections with the SDSS coverage along with analytic calculations of their areal coverage. The crossmatch catalogs are made available for the public. We conclude by illustrating the implementation of typical selection criteria in SQL for catalog subsets geared toward statistical analyses, e.g., correlation and luminosity function studies.",

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Budavri, T, Heinis, S, Szalay, AS, Nieto-Santisteban, M, Gupchup, J, Shiao, B, Smith, M, Chang, R, Kauffmann, G, Morrissey, P, Schiminovich, D, Milliard, B, Wyder, TK, Martin, DC, Barlow, TA, Seibert, M, Forster, K, Bianchi, L, Donas, J, Friedman, PG, Heckman, TM, Lee, YW, Madore, BF, Neff, SG, Rich, RM & Welsh, BY 2009, 'Galex-SDSS catalogs for statistical studies', Astrophysical Journal, vol. 694, no. 2, pp. 1281-1292. https://doi.org/10.1088/0004-637X/694/2/1281

Galex-SDSS catalogs for statistical studies. / Budavri, Tams; Heinis, Sébastien; Szalay, Alexander S.; Nieto-Santisteban, María; Gupchup, Jayant; Shiao, Bernie; Smith, Myron; Chang, Ruixiang; Kauffmann, Guinevere; Morrissey, Patrick; Schiminovich, David; Milliard, Bruno; Wyder, Ted K.; Martin, D. Christopher; Barlow, Tom A.; Seibert, Mark; Forster, Karl; Bianchi, Luciana; Donas, Jose; Friedman, Peter G.; Heckman, Timothy M.; Lee, Young Wook; Madore, Barry F.; Neff, Susan G.; Rich, R. Michael; Welsh, Barry Y.

In: Astrophysical Journal, Vol. 694, No. 2, 01.01.2009, p. 1281-1292.

Research output: Contribution to journal › Article

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T1 - Galex-SDSS catalogs for statistical studies

AU - Budavri, Tams

AU - Heinis, Sébastien

AU - Szalay, Alexander S.

AU - Nieto-Santisteban, María

AU - Gupchup, Jayant

AU - Shiao, Bernie

AU - Smith, Myron

AU - Chang, Ruixiang

AU - Kauffmann, Guinevere

AU - Morrissey, Patrick

AU - Schiminovich, David

AU - Milliard, Bruno

AU - Wyder, Ted K.

AU - Martin, D. Christopher

AU - Barlow, Tom A.

AU - Seibert, Mark

AU - Forster, Karl

AU - Bianchi, Luciana

AU - Donas, Jose

AU - Friedman, Peter G.

AU - Heckman, Timothy M.

AU - Lee, Young Wook

AU - Madore, Barry F.

AU - Neff, Susan G.

AU - Rich, R. Michael

AU - Welsh, Barry Y.

PY - 2009/1/1

Y1 - 2009/1/1

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10.1088/0004-637X/694/2/1281