Star formation in the nearby universe: The ultraviolet and infrared points of view

J. Iglesias-Páramo, V. Buat, T. T. Takeuchi, K. Xu, S. Boissier, A. Boselli, D. Burgarella, B. F. Madore, A. Gil De Paz, L. Bianchi, T. A. Barlow, Y. I. Byun, J. Donas, K. Forster, P. G. Friedman, T. M. Heckman, P. N. Jelinski, Y. W. Lee, R. F. Malina, D. C. MartinB. Milliard, P. F. Morrissey, S. G. Neff, R. M. Rich, D. Schiminovich, M. Seibert, O. H W Siegmund, T. Small, A. S. Szalay, B. Y. Welsh, T. K. Wyder

Research output: Contribution to journalArticle

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Abstract

This work presents the main ultraviolet (UV) and far-infrared (FIR) properties of two samples of nearby galaxies selected from the GALEX (λ = 2315 Å, hereafter NUV) and IRAS (λ = 60 μm) surveys, respectively. They are built in order to obtain detection at both wavelengths for most of the galaxies. Star formation rate (SFR) estimators based on the UV and FIR emissions are compared. Systematic differences are found between the SFR estimators for individual galaxies based on the NUV fluxes corrected for dust attenuation and on the total IR luminosity. A combined estimator based on NUV and IR luminosities seems to be the best proxy over the whole range of values of SFR. Although both samples present similar average values of the birthrate parameter b, their star-formation-related properties are substantially different: NUV-selected galaxies tend to show larger values of b for lower masses, SFRs, and dust attenuation, supporting previous scenarios of star formation history (SFH). Conversely, about 20% of the FIR-selected galaxies show high values of b, SFR, and NUV attenuation. These galaxies, most of them being LIRGs and ULIRGs, break down the downsizing picture of SFH; however, their relative contribution per unit volume is small in the local universe. Finally, the cosmic SFR density of the local universe is estimated in a consistent way from the NUV and IR luminosities.

Original languageEnglish
Pages (from-to)38-51
Number of pages14
JournalAstrophysical Journal, Supplement Series
Volume164
Issue number1
DOIs
Publication statusPublished - 2006 May 1

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star formation
star formation rate
universe
galaxies
estimators
attenuation
luminosity
dust
histories
history
Infrared Astronomy Satellite
rate
wavelength
breakdown
wavelengths

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Iglesias-Páramo, J., Buat, V., Takeuchi, T. T., Xu, K., Boissier, S., Boselli, A., ... Wyder, T. K. (2006). Star formation in the nearby universe: The ultraviolet and infrared points of view. Astrophysical Journal, Supplement Series, 164(1), 38-51. https://doi.org/10.1086/502628
Iglesias-Páramo, J. ; Buat, V. ; Takeuchi, T. T. ; Xu, K. ; Boissier, S. ; Boselli, A. ; Burgarella, D. ; Madore, B. F. ; Gil De Paz, A. ; Bianchi, L. ; Barlow, T. A. ; Byun, Y. I. ; Donas, J. ; Forster, K. ; Friedman, P. G. ; Heckman, T. M. ; Jelinski, P. N. ; Lee, Y. W. ; Malina, R. F. ; Martin, D. C. ; Milliard, B. ; Morrissey, P. F. ; Neff, S. G. ; Rich, R. M. ; Schiminovich, D. ; Seibert, M. ; Siegmund, O. H W ; Small, T. ; Szalay, A. S. ; Welsh, B. Y. ; Wyder, T. K. / Star formation in the nearby universe : The ultraviolet and infrared points of view. In: Astrophysical Journal, Supplement Series. 2006 ; Vol. 164, No. 1. pp. 38-51.
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abstract = "This work presents the main ultraviolet (UV) and far-infrared (FIR) properties of two samples of nearby galaxies selected from the GALEX (λ = 2315 {\AA}, hereafter NUV) and IRAS (λ = 60 μm) surveys, respectively. They are built in order to obtain detection at both wavelengths for most of the galaxies. Star formation rate (SFR) estimators based on the UV and FIR emissions are compared. Systematic differences are found between the SFR estimators for individual galaxies based on the NUV fluxes corrected for dust attenuation and on the total IR luminosity. A combined estimator based on NUV and IR luminosities seems to be the best proxy over the whole range of values of SFR. Although both samples present similar average values of the birthrate parameter b, their star-formation-related properties are substantially different: NUV-selected galaxies tend to show larger values of b for lower masses, SFRs, and dust attenuation, supporting previous scenarios of star formation history (SFH). Conversely, about 20{\%} of the FIR-selected galaxies show high values of b, SFR, and NUV attenuation. These galaxies, most of them being LIRGs and ULIRGs, break down the downsizing picture of SFH; however, their relative contribution per unit volume is small in the local universe. Finally, the cosmic SFR density of the local universe is estimated in a consistent way from the NUV and IR luminosities.",
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Iglesias-Páramo, J, Buat, V, Takeuchi, TT, Xu, K, Boissier, S, Boselli, A, Burgarella, D, Madore, BF, Gil De Paz, A, Bianchi, L, Barlow, TA, Byun, YI, Donas, J, Forster, K, Friedman, PG, Heckman, TM, Jelinski, PN, Lee, YW, Malina, RF, Martin, DC, Milliard, B, Morrissey, PF, Neff, SG, Rich, RM, Schiminovich, D, Seibert, M, Siegmund, OHW, Small, T, Szalay, AS, Welsh, BY & Wyder, TK 2006, 'Star formation in the nearby universe: The ultraviolet and infrared points of view', Astrophysical Journal, Supplement Series, vol. 164, no. 1, pp. 38-51. https://doi.org/10.1086/502628

Star formation in the nearby universe : The ultraviolet and infrared points of view. / Iglesias-Páramo, J.; Buat, V.; Takeuchi, T. T.; Xu, K.; Boissier, S.; Boselli, A.; Burgarella, D.; Madore, B. F.; Gil De Paz, A.; Bianchi, L.; Barlow, T. A.; Byun, Y. I.; Donas, J.; Forster, K.; Friedman, P. G.; Heckman, T. M.; Jelinski, P. N.; Lee, Y. W.; Malina, R. F.; Martin, D. C.; Milliard, B.; Morrissey, P. F.; Neff, S. G.; Rich, R. M.; Schiminovich, D.; Seibert, M.; Siegmund, O. H W; Small, T.; Szalay, A. S.; Welsh, B. Y.; Wyder, T. K.

In: Astrophysical Journal, Supplement Series, Vol. 164, No. 1, 01.05.2006, p. 38-51.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Star formation in the nearby universe

T2 - The ultraviolet and infrared points of view

AU - Iglesias-Páramo, J.

AU - Buat, V.

AU - Takeuchi, T. T.

AU - Xu, K.

AU - Boissier, S.

AU - Boselli, A.

AU - Burgarella, D.

AU - Madore, B. F.

AU - Gil De Paz, A.

AU - Bianchi, L.

AU - Barlow, T. A.

AU - Byun, Y. I.

AU - Donas, J.

AU - Forster, K.

AU - Friedman, P. G.

AU - Heckman, T. M.

AU - Jelinski, P. N.

AU - Lee, Y. W.

AU - Malina, R. F.

AU - Martin, D. C.

AU - Milliard, B.

AU - Morrissey, P. F.

AU - Neff, S. G.

AU - Rich, R. M.

AU - Schiminovich, D.

AU - Seibert, M.

AU - Siegmund, O. H W

AU - Small, T.

AU - Szalay, A. S.

AU - Welsh, B. Y.

AU - Wyder, T. K.

PY - 2006/5/1

Y1 - 2006/5/1

N2 - This work presents the main ultraviolet (UV) and far-infrared (FIR) properties of two samples of nearby galaxies selected from the GALEX (λ = 2315 Å, hereafter NUV) and IRAS (λ = 60 μm) surveys, respectively. They are built in order to obtain detection at both wavelengths for most of the galaxies. Star formation rate (SFR) estimators based on the UV and FIR emissions are compared. Systematic differences are found between the SFR estimators for individual galaxies based on the NUV fluxes corrected for dust attenuation and on the total IR luminosity. A combined estimator based on NUV and IR luminosities seems to be the best proxy over the whole range of values of SFR. Although both samples present similar average values of the birthrate parameter b, their star-formation-related properties are substantially different: NUV-selected galaxies tend to show larger values of b for lower masses, SFRs, and dust attenuation, supporting previous scenarios of star formation history (SFH). Conversely, about 20% of the FIR-selected galaxies show high values of b, SFR, and NUV attenuation. These galaxies, most of them being LIRGs and ULIRGs, break down the downsizing picture of SFH; however, their relative contribution per unit volume is small in the local universe. Finally, the cosmic SFR density of the local universe is estimated in a consistent way from the NUV and IR luminosities.

AB - This work presents the main ultraviolet (UV) and far-infrared (FIR) properties of two samples of nearby galaxies selected from the GALEX (λ = 2315 Å, hereafter NUV) and IRAS (λ = 60 μm) surveys, respectively. They are built in order to obtain detection at both wavelengths for most of the galaxies. Star formation rate (SFR) estimators based on the UV and FIR emissions are compared. Systematic differences are found between the SFR estimators for individual galaxies based on the NUV fluxes corrected for dust attenuation and on the total IR luminosity. A combined estimator based on NUV and IR luminosities seems to be the best proxy over the whole range of values of SFR. Although both samples present similar average values of the birthrate parameter b, their star-formation-related properties are substantially different: NUV-selected galaxies tend to show larger values of b for lower masses, SFRs, and dust attenuation, supporting previous scenarios of star formation history (SFH). Conversely, about 20% of the FIR-selected galaxies show high values of b, SFR, and NUV attenuation. These galaxies, most of them being LIRGs and ULIRGs, break down the downsizing picture of SFH; however, their relative contribution per unit volume is small in the local universe. Finally, the cosmic SFR density of the local universe is estimated in a consistent way from the NUV and IR luminosities.

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Iglesias-Páramo J, Buat V, Takeuchi TT, Xu K, Boissier S, Boselli A et al. Star formation in the nearby universe: The ultraviolet and infrared points of view. Astrophysical Journal, Supplement Series. 2006 May 1;164(1):38-51. https://doi.org/10.1086/502628