Monster in the dark: The ultraluminous GRB 080607 and its dusty environment

D. A. Perley, A. N. Morgan, A. Updike, F. Yuan, C. W. Akerlof, A. A. Miller, J. S. Bloom, S. B. Cenko, W. Li, A. V. Filippenko, J. X. Prochaska, D. A. Kann, N. R. Tanvir, A. J. Levan, Nathaniel Butler, P. Christian, D. H. Hartmann, P. Milne, E. S. Rykoff, W. RujopakarnJ. C. Wheeler, G. G. Williams

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We present early-time optical through infrared photometry of the bright Swift gamma-ray burst (GRB) 080607, starting only 6 s following the initial trigger in the rest frame. Complemented by our previously published spectroscopy, this high-quality photometric data set allows us to solve for the extinction properties of the redshift 3.036 sightline, giving perhaps the most detailed information to date on the ultraviolet continuum absorption properties of any sightline outside our Local Group. The extinction properties are not adequately modeled by anyordinary extinction template (including the average Milky Way, Large Magellanic Cloud, and Small Magellanic Cloud curves), partially because the 2175 Å feature (while present) is weaker by about a factor of two than when seen under similar circumstances locally. However, the spectral energy distribution is exquisitely fitted by the more general Fitzpatrick & Massa parameterization of Local-Group extinction, putting it in the same family as some peculiar Milky Way extinction curves. After correcting for this (considerable, AV = 3.3 ± 0.4 mag) extinction, GRB 080607 is revealed to have been among the most optically luminous events ever observed, comparable to the naked-eye burst GRB 080319B. Its early peak time (t rest < 6 s) indicates a high initial Lorentz factor (F > 600), while the extreme luminosity may be explained in part by a large circumburst density. Only because of its early high luminosity could the afterglow of GRB 080607 be studied in such detail in spite of the large attenuation and great distance, making this burst an excellent prototype for the understanding of other highly obscured extragalactic objects, and of the class of "dark" GRBs in particular.

Original languageEnglish (US)
JournalAstronomical Journal
Volume141
Issue number2
DOIs
StatePublished - Feb 2011
Externally publishedYes

Fingerprint

gamma ray bursts
extinction
Magellanic clouds
bursts
luminosity
infrared photometry
curves
spectral energy distribution
afterglows
parameterization
templates
actuators
attenuation
spectroscopy
prototypes
continuums
energy

Keywords

  • Dust
  • Extinction-gamma-ray burst
  • Individual (080607)

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Perley, D. A., Morgan, A. N., Updike, A., Yuan, F., Akerlof, C. W., Miller, A. A., ... Williams, G. G. (2011). Monster in the dark: The ultraluminous GRB 080607 and its dusty environment. Astronomical Journal, 141(2). https://doi.org/10.1088/0004-6256/141/2/36.

Monster in the dark : The ultraluminous GRB 080607 and its dusty environment. / Perley, D. A.; Morgan, A. N.; Updike, A.; Yuan, F.; Akerlof, C. W.; Miller, A. A.; Bloom, J. S.; Cenko, S. B.; Li, W.; Filippenko, A. V.; Prochaska, J. X.; Kann, D. A.; Tanvir, N. R.; Levan, A. J.; Butler, Nathaniel; Christian, P.; Hartmann, D. H.; Milne, P.; Rykoff, E. S.; Rujopakarn, W.; Wheeler, J. C.; Williams, G. G.

In: Astronomical Journal, Vol. 141, No. 2, 02.2011.

Research output: Contribution to journalArticle

Perley, DA, Morgan, AN, Updike, A, Yuan, F, Akerlof, CW, Miller, AA, Bloom, JS, Cenko, SB, Li, W, Filippenko, AV, Prochaska, JX, Kann, DA, Tanvir, NR, Levan, AJ, Butler, N, Christian, P, Hartmann, DH, Milne, P, Rykoff, ES, Rujopakarn, W, Wheeler, JC & Williams, GG 2011, 'Monster in the dark: The ultraluminous GRB 080607 and its dusty environment', Astronomical Journal, vol. 141, no. 2. https://doi.org/10.1088/0004-6256/141/2/36.
Perley, D. A. ; Morgan, A. N. ; Updike, A. ; Yuan, F. ; Akerlof, C. W. ; Miller, A. A. ; Bloom, J. S. ; Cenko, S. B. ; Li, W. ; Filippenko, A. V. ; Prochaska, J. X. ; Kann, D. A. ; Tanvir, N. R. ; Levan, A. J. ; Butler, Nathaniel ; Christian, P. ; Hartmann, D. H. ; Milne, P. ; Rykoff, E. S. ; Rujopakarn, W. ; Wheeler, J. C. ; Williams, G. G. / Monster in the dark : The ultraluminous GRB 080607 and its dusty environment. In: Astronomical Journal. 2011 ; Vol. 141, No. 2.
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