Classification and characterization of objects from the galaxy evolution explorer survey and the sloan digital sky survey

Luciana Bianchi, Mark Seibert, Wei Zheng, David A. Thilker, Peter G. Friedman, Ted K. Wyder, Jose Donas, Tom A. Barlow, Yong Ik Byun, Karl Forster, Timothy M. Heckman, Patrick N. Jelinsky, Young Wook Lee, Barry F. Madore, Roger F. Malina, D. Christopher Martin, Bruno Milliard, Patrick Morrissey, Susan G. Neff, R. Michael RichDavid Schiminovich, Oswald H.W. Siegmund, Todd Small, Alex S. Szalay, Barry Y. Welsh

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

We use the Galaxy Evolution Explorer (GALEX) Medium Imaging Survey (MIS) and All-sky Imaging Survey (AIS) data available in the first internal release, matched to the Sloan Digital Sky Survey (SDSS) catalogs in the overlapping regions, to classify objects by comparing the multiband photometry to model colors. We show an example of the advantage of such broad wavelength coverage (GALEX far-UV and near-UV, SDSS ugriz) in classifying objects and augmenting the existing samples and catalogs. From the MIS (AIS) sample over an area of 75 (92) deg2, we select a total of 1736 (222) QSO candidates at redshifts less than 2, significantly extending the number of fainter candidates and moderately increasing the number of bright objects in the SDSS list of spectroscopically confirmed QSOs. Numerous hot stellar objects are also revealed by the UV colors, as expected.

Original languageEnglish
Pages (from-to)L27-L30
JournalAstrophysical Journal
Volume619
Issue number1 II
DOIs
Publication statusPublished - 2005 Jan 20

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galaxies
quasars
catalogs
sky
color
classifying
lists
photometry
wavelengths
wavelength

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Bianchi, L., Seibert, M., Zheng, W., Thilker, D. A., Friedman, P. G., Wyder, T. K., ... Welsh, B. Y. (2005). Classification and characterization of objects from the galaxy evolution explorer survey and the sloan digital sky survey. Astrophysical Journal, 619(1 II), L27-L30. https://doi.org/10.1086/423710
Bianchi, Luciana ; Seibert, Mark ; Zheng, Wei ; Thilker, David A. ; Friedman, Peter G. ; Wyder, Ted K. ; Donas, Jose ; Barlow, Tom A. ; Byun, Yong Ik ; Forster, Karl ; Heckman, Timothy M. ; Jelinsky, Patrick N. ; Lee, Young Wook ; Madore, Barry F. ; Malina, Roger F. ; Martin, D. Christopher ; Milliard, Bruno ; Morrissey, Patrick ; Neff, Susan G. ; Rich, R. Michael ; Schiminovich, David ; Siegmund, Oswald H.W. ; Small, Todd ; Szalay, Alex S. ; Welsh, Barry Y. / Classification and characterization of objects from the galaxy evolution explorer survey and the sloan digital sky survey. In: Astrophysical Journal. 2005 ; Vol. 619, No. 1 II. pp. L27-L30.
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abstract = "We use the Galaxy Evolution Explorer (GALEX) Medium Imaging Survey (MIS) and All-sky Imaging Survey (AIS) data available in the first internal release, matched to the Sloan Digital Sky Survey (SDSS) catalogs in the overlapping regions, to classify objects by comparing the multiband photometry to model colors. We show an example of the advantage of such broad wavelength coverage (GALEX far-UV and near-UV, SDSS ugriz) in classifying objects and augmenting the existing samples and catalogs. From the MIS (AIS) sample over an area of 75 (92) deg2, we select a total of 1736 (222) QSO candidates at redshifts less than 2, significantly extending the number of fainter candidates and moderately increasing the number of bright objects in the SDSS list of spectroscopically confirmed QSOs. Numerous hot stellar objects are also revealed by the UV colors, as expected.",
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Bianchi, L, Seibert, M, Zheng, W, Thilker, DA, Friedman, PG, Wyder, TK, Donas, J, Barlow, TA, Byun, YI, Forster, K, Heckman, TM, Jelinsky, PN, Lee, YW, Madore, BF, Malina, RF, Martin, DC, Milliard, B, Morrissey, P, Neff, SG, Rich, RM, Schiminovich, D, Siegmund, OHW, Small, T, Szalay, AS & Welsh, BY 2005, 'Classification and characterization of objects from the galaxy evolution explorer survey and the sloan digital sky survey', Astrophysical Journal, vol. 619, no. 1 II, pp. L27-L30. https://doi.org/10.1086/423710

Classification and characterization of objects from the galaxy evolution explorer survey and the sloan digital sky survey. / Bianchi, Luciana; Seibert, Mark; Zheng, Wei; Thilker, David A.; Friedman, Peter G.; Wyder, Ted K.; Donas, Jose; Barlow, Tom A.; Byun, Yong Ik; Forster, Karl; Heckman, Timothy M.; Jelinsky, Patrick N.; Lee, Young Wook; Madore, Barry F.; Malina, Roger F.; Martin, D. Christopher; Milliard, Bruno; Morrissey, Patrick; Neff, Susan G.; Rich, R. Michael; Schiminovich, David; Siegmund, Oswald H.W.; Small, Todd; Szalay, Alex S.; Welsh, Barry Y.

In: Astrophysical Journal, Vol. 619, No. 1 II, 20.01.2005, p. L27-L30.

Research output: Contribution to journalArticle

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T1 - Classification and characterization of objects from the galaxy evolution explorer survey and the sloan digital sky survey

AU - Bianchi, Luciana

AU - Seibert, Mark

AU - Zheng, Wei

AU - Thilker, David A.

AU - Friedman, Peter G.

AU - Wyder, Ted K.

AU - Donas, Jose

AU - Barlow, Tom A.

AU - Byun, Yong Ik

AU - Forster, Karl

AU - Heckman, Timothy M.

AU - Jelinsky, Patrick N.

AU - Lee, Young Wook

AU - Madore, Barry F.

AU - Malina, Roger F.

AU - Martin, D. Christopher

AU - Milliard, Bruno

AU - Morrissey, Patrick

AU - Neff, Susan G.

AU - Rich, R. Michael

AU - Schiminovich, David

AU - Siegmund, Oswald H.W.

AU - Small, Todd

AU - Szalay, Alex S.

AU - Welsh, Barry Y.

PY - 2005/1/20

Y1 - 2005/1/20

N2 - We use the Galaxy Evolution Explorer (GALEX) Medium Imaging Survey (MIS) and All-sky Imaging Survey (AIS) data available in the first internal release, matched to the Sloan Digital Sky Survey (SDSS) catalogs in the overlapping regions, to classify objects by comparing the multiband photometry to model colors. We show an example of the advantage of such broad wavelength coverage (GALEX far-UV and near-UV, SDSS ugriz) in classifying objects and augmenting the existing samples and catalogs. From the MIS (AIS) sample over an area of 75 (92) deg2, we select a total of 1736 (222) QSO candidates at redshifts less than 2, significantly extending the number of fainter candidates and moderately increasing the number of bright objects in the SDSS list of spectroscopically confirmed QSOs. Numerous hot stellar objects are also revealed by the UV colors, as expected.

AB - We use the Galaxy Evolution Explorer (GALEX) Medium Imaging Survey (MIS) and All-sky Imaging Survey (AIS) data available in the first internal release, matched to the Sloan Digital Sky Survey (SDSS) catalogs in the overlapping regions, to classify objects by comparing the multiband photometry to model colors. We show an example of the advantage of such broad wavelength coverage (GALEX far-UV and near-UV, SDSS ugriz) in classifying objects and augmenting the existing samples and catalogs. From the MIS (AIS) sample over an area of 75 (92) deg2, we select a total of 1736 (222) QSO candidates at redshifts less than 2, significantly extending the number of fainter candidates and moderately increasing the number of bright objects in the SDSS list of spectroscopically confirmed QSOs. Numerous hot stellar objects are also revealed by the UV colors, as expected.

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