Testing the empirical relation between ultraviolet color and attenuation of galaxies

Mark Seibert, D. Christopher Martin, Timothy M. Heckman, Veronique Buat, Charles Hoopes, T. Barlow, L. Bianchi, Y. I. Byun, J. Donas, K. Forster, P. G. Friedman, P. Jelinsky, Y. W. Lee, B. F. Madore, R. Malina, B. Milliard, P. Morrissey, S. Neff, R. M. Rich, D. SchiminovichO. Siegmund, T. Small, A. S. Szalay, B. Welsh, T. K. Wyder

Research output: Contribution to journalArticle

92 Citations (Scopus)

Abstract

We test the empirical relation between ultraviolet color and attenuation as derived for starburst galaxies with a wide assortment of galaxy types detected by the Galaxy Evolution Explorer and find that it systematically overestimates the far-ultraviolet attenuation of our sample by ∼0.5 mag. Our efforts to find an additional parameter that could improve the starburst reddening relation were unsuccessful. In particular, UV - Ks colors (in non-matching apertures) show no correlation with the offset from the starburst reddening relation, suggesting either that UV - Ks colors are a poor tracer of present to past average star formation history (the "b" parameter) or that the intrinsic dust distribution/geometry may be responsible for moving galaxies off the correlation. It is possible to reduce the systematic overestimate of AFUV by using the linear correlation derived from our sample, which simply lowers the starburst predicted values of AFUV by 0.58 mag. The scatter, however, remains large at 0.89 mag.

Original languageEnglish
Pages (from-to)L55-L58
JournalAstrophysical Journal
Volume619
Issue number1 II
DOIs
Publication statusPublished - 2005 Jan 20

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attenuation
galaxies
color
starburst galaxies
tracers
star formation
dust
apertures
tracer
histories
geometry
history
parameter
test
distribution

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Seibert, M., Christopher Martin, D., Heckman, T. M., Buat, V., Hoopes, C., Barlow, T., ... Wyder, T. K. (2005). Testing the empirical relation between ultraviolet color and attenuation of galaxies. Astrophysical Journal, 619(1 II), L55-L58. https://doi.org/10.1086/427843
Seibert, Mark ; Christopher Martin, D. ; Heckman, Timothy M. ; Buat, Veronique ; Hoopes, Charles ; Barlow, T. ; Bianchi, L. ; Byun, Y. I. ; Donas, J. ; Forster, K. ; Friedman, P. G. ; Jelinsky, P. ; Lee, Y. W. ; Madore, B. F. ; Malina, R. ; Milliard, B. ; Morrissey, P. ; Neff, S. ; Rich, R. M. ; Schiminovich, D. ; Siegmund, O. ; Small, T. ; Szalay, A. S. ; Welsh, B. ; Wyder, T. K. / Testing the empirical relation between ultraviolet color and attenuation of galaxies. In: Astrophysical Journal. 2005 ; Vol. 619, No. 1 II. pp. L55-L58.
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Seibert, M, Christopher Martin, D, Heckman, TM, Buat, V, Hoopes, C, Barlow, T, Bianchi, L, Byun, YI, Donas, J, Forster, K, Friedman, PG, Jelinsky, P, Lee, YW, Madore, BF, Malina, R, Milliard, B, Morrissey, P, Neff, S, Rich, RM, Schiminovich, D, Siegmund, O, Small, T, Szalay, AS, Welsh, B & Wyder, TK 2005, 'Testing the empirical relation between ultraviolet color and attenuation of galaxies', Astrophysical Journal, vol. 619, no. 1 II, pp. L55-L58. https://doi.org/10.1086/427843

Testing the empirical relation between ultraviolet color and attenuation of galaxies. / Seibert, Mark; Christopher Martin, D.; Heckman, Timothy M.; Buat, Veronique; Hoopes, Charles; Barlow, T.; Bianchi, L.; Byun, Y. I.; Donas, J.; Forster, K.; Friedman, P. G.; Jelinsky, P.; Lee, Y. W.; Madore, B. F.; Malina, R.; Milliard, B.; Morrissey, P.; Neff, S.; Rich, R. M.; Schiminovich, D.; Siegmund, O.; Small, T.; Szalay, A. S.; Welsh, B.; Wyder, T. K.

In: Astrophysical Journal, Vol. 619, No. 1 II, 20.01.2005, p. L55-L58.

Research output: Contribution to journalArticle

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T1 - Testing the empirical relation between ultraviolet color and attenuation of galaxies

AU - Seibert, Mark

AU - Christopher Martin, D.

AU - Heckman, Timothy M.

AU - Buat, Veronique

AU - Hoopes, Charles

AU - Barlow, T.

AU - Bianchi, L.

AU - Byun, Y. I.

AU - Donas, J.

AU - Forster, K.

AU - Friedman, P. G.

AU - Jelinsky, P.

AU - Lee, Y. W.

AU - Madore, B. F.

AU - Malina, R.

AU - Milliard, B.

AU - Morrissey, P.

AU - Neff, S.

AU - Rich, R. M.

AU - Schiminovich, D.

AU - Siegmund, O.

AU - Small, T.

AU - Szalay, A. S.

AU - Welsh, B.

AU - Wyder, T. K.

PY - 2005/1/20

Y1 - 2005/1/20

N2 - We test the empirical relation between ultraviolet color and attenuation as derived for starburst galaxies with a wide assortment of galaxy types detected by the Galaxy Evolution Explorer and find that it systematically overestimates the far-ultraviolet attenuation of our sample by ∼0.5 mag. Our efforts to find an additional parameter that could improve the starburst reddening relation were unsuccessful. In particular, UV - Ks colors (in non-matching apertures) show no correlation with the offset from the starburst reddening relation, suggesting either that UV - Ks colors are a poor tracer of present to past average star formation history (the "b" parameter) or that the intrinsic dust distribution/geometry may be responsible for moving galaxies off the correlation. It is possible to reduce the systematic overestimate of AFUV by using the linear correlation derived from our sample, which simply lowers the starburst predicted values of AFUV by 0.58 mag. The scatter, however, remains large at 0.89 mag.

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Seibert M, Christopher Martin D, Heckman TM, Buat V, Hoopes C, Barlow T et al. Testing the empirical relation between ultraviolet color and attenuation of galaxies. Astrophysical Journal. 2005 Jan 20;619(1 II):L55-L58. https://doi.org/10.1086/427843