Recent star formation in nearby galaxies from Galaxy Evolution Explorer imaging: M101 and M51

Luciana Bianchi, David A. Thilker, Denis Burgarella, Peter G. Friedman, Charles G. Hoopes, Samuel Boissier, Armando Gil De Paz, Tom A. Barlow, Yong Ik Byun, Jose Donas, 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. NeffR. Michael Rich, David Schiminovich, Oswald H.W. Siegmund, Todd Small, Alex S. Szalay, Barry Y. Welsh, Ted K. Wyder

Research output: Contribution to journalArticle

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Abstract

The Galaxy Evolution Explorer (GALEX) Nearby Galaxies Survey is providing deep far-UV and near-UV imaging for a representative sample of galaxies in the local universe. We present early results for M51 and M101, from GALEX UV imaging and Sloan Digital Sky Survey optical data in five bands. The multiband photometry of compact stellar complexes in M101 is compared to population synthesis models, to derive ages, reddening, reddening-corrected luminosities, and current/initial masses. The GALEX UV photometry provides a complete census of young compact complexes on a ≈ 160 pc scale. A galactocentric gradient of the far-UV/near-UV color indicates younger stellar populations toward the outer parts of the galaxy disks, the effect being more pronounced in M101 than in M51.

Original languageEnglish
Pages (from-to)L71-L74
JournalAstrophysical Journal
Volume619
Issue number1 II
DOIs
Publication statusPublished - 2005 Jan 20

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star formation
galaxies
young population
photometry
census
disk galaxies
universe
luminosity
color
gradients
synthesis
effect
young

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Bianchi, L., Thilker, D. A., Burgarella, D., Friedman, P. G., Hoopes, C. G., Boissier, S., ... Wyder, T. K. (2005). Recent star formation in nearby galaxies from Galaxy Evolution Explorer imaging: M101 and M51. Astrophysical Journal, 619(1 II), L71-L74. https://doi.org/10.1086/422685
Bianchi, Luciana ; Thilker, David A. ; Burgarella, Denis ; Friedman, Peter G. ; Hoopes, Charles G. ; Boissier, Samuel ; Gil De Paz, Armando ; Barlow, Tom A. ; Byun, Yong Ik ; Donas, Jose ; 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. ; Wyder, Ted K. / Recent star formation in nearby galaxies from Galaxy Evolution Explorer imaging : M101 and M51. In: Astrophysical Journal. 2005 ; Vol. 619, No. 1 II. pp. L71-L74.
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abstract = "The Galaxy Evolution Explorer (GALEX) Nearby Galaxies Survey is providing deep far-UV and near-UV imaging for a representative sample of galaxies in the local universe. We present early results for M51 and M101, from GALEX UV imaging and Sloan Digital Sky Survey optical data in five bands. The multiband photometry of compact stellar complexes in M101 is compared to population synthesis models, to derive ages, reddening, reddening-corrected luminosities, and current/initial masses. The GALEX UV photometry provides a complete census of young compact complexes on a ≈ 160 pc scale. A galactocentric gradient of the far-UV/near-UV color indicates younger stellar populations toward the outer parts of the galaxy disks, the effect being more pronounced in M101 than in M51.",
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Bianchi, L, Thilker, DA, Burgarella, D, Friedman, PG, Hoopes, CG, Boissier, S, Gil De Paz, A, Barlow, TA, Byun, YI, Donas, J, 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 & Wyder, TK 2005, 'Recent star formation in nearby galaxies from Galaxy Evolution Explorer imaging: M101 and M51', Astrophysical Journal, vol. 619, no. 1 II, pp. L71-L74. https://doi.org/10.1086/422685

Recent star formation in nearby galaxies from Galaxy Evolution Explorer imaging : M101 and M51. / Bianchi, Luciana; Thilker, David A.; Burgarella, Denis; Friedman, Peter G.; Hoopes, Charles G.; Boissier, Samuel; Gil De Paz, Armando; Barlow, Tom A.; Byun, Yong Ik; Donas, Jose; 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.; Wyder, Ted K.

In: Astrophysical Journal, Vol. 619, No. 1 II, 20.01.2005, p. L71-L74.

Research output: Contribution to journalArticle

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T1 - Recent star formation in nearby galaxies from Galaxy Evolution Explorer imaging

T2 - M101 and M51

AU - Bianchi, Luciana

AU - Thilker, David A.

AU - Burgarella, Denis

AU - Friedman, Peter G.

AU - Hoopes, Charles G.

AU - Boissier, Samuel

AU - Gil De Paz, Armando

AU - Barlow, Tom A.

AU - Byun, Yong Ik

AU - Donas, Jose

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.

AU - Wyder, Ted K.

PY - 2005/1/20

Y1 - 2005/1/20

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AB - The Galaxy Evolution Explorer (GALEX) Nearby Galaxies Survey is providing deep far-UV and near-UV imaging for a representative sample of galaxies in the local universe. We present early results for M51 and M101, from GALEX UV imaging and Sloan Digital Sky Survey optical data in five bands. The multiband photometry of compact stellar complexes in M101 is compared to population synthesis models, to derive ages, reddening, reddening-corrected luminosities, and current/initial masses. The GALEX UV photometry provides a complete census of young compact complexes on a ≈ 160 pc scale. A galactocentric gradient of the far-UV/near-UV color indicates younger stellar populations toward the outer parts of the galaxy disks, the effect being more pronounced in M101 than in M51.

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Bianchi L, Thilker DA, Burgarella D, Friedman PG, Hoopes CG, Boissier S et al. Recent star formation in nearby galaxies from Galaxy Evolution Explorer imaging: M101 and M51. Astrophysical Journal. 2005 Jan 20;619(1 II):L71-L74. https://doi.org/10.1086/422685