BLAST05

Power spectra of bright galactic cirrus at submillimeter wavelengths

Arabindo Roy, Peter A R Ade, James J. Bock, Edward L. Chapin, Mark J. Devlin, Simon R. Dicker, Matthew Griffin, Joshua Gundersen, Mark Halpern, Peter C. Hargrave, David H. Hughes, Jeff Klein, Gaelen Marsden, Peter G. Martin, Philip Mauskopf, Marc Antoine Miville-Deschnes, Calvin B. Netterfield, Luca Olmi, Guillaume Patanchon, Marie Rex & 7 others Douglas Scott, Christopher Semisch, Matthew D P Truch, Carole Tucker, Gregory S. Tucker, Marco P. Viero, Donald V. Wiebe

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We report multi-wavelength power spectra of diffuse Galactic dust emission from Balloon-borne Large Aperture Submillimeter Telescope observations at 250, 350, and 500 μm in Galactic plane fields in Cygnus X and Aquila. These submillimeter power spectra statistically quantify the self-similar structure observable over a broad range of scales and can be used to assess the cirrus noise which limits the detection of faint point sources. The advent of submillimeter surveys with the Herschel Space Observatory makes the wavelength dependence a matter of interest. We show that the observed relative amplitudes of the power spectra can be related through a spectral energy distribution (SED). Fitting a simple modified black body to this SED, we find the dust temperature in Cygnus X to be 19.8 ± 1.5 K and in the Aquila region 16.8 ± 0.8 K. Our empirical estimates provide important new insight into the substantial cirrus noise that will be encountered in forthcoming observations.

Original languageEnglish (US)
Pages (from-to)1611-1620
Number of pages10
JournalAstrophysical Journal
Volume708
Issue number2
DOIs
StatePublished - 2010

Fingerprint

cirrus
power spectra
spectral energy distribution
wavelength
dust
wavelengths
balloons
point sources
point source
energy
observatories
observatory
apertures
telescopes
estimates
temperature
distribution

Keywords

  • Balloons
  • ISM: clouds
  • ISM: structure
  • Submillimeter

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics
  • Nuclear and High Energy Physics

Cite this

Roy, A., Ade, P. A. R., Bock, J. J., Chapin, E. L., Devlin, M. J., Dicker, S. R., ... Wiebe, D. V. (2010). BLAST05: Power spectra of bright galactic cirrus at submillimeter wavelengths. Astrophysical Journal, 708(2), 1611-1620. https://doi.org/10.1088/0004-637X/708/2/1611

BLAST05 : Power spectra of bright galactic cirrus at submillimeter wavelengths. / Roy, Arabindo; Ade, Peter A R; Bock, James J.; Chapin, Edward L.; Devlin, Mark J.; Dicker, Simon R.; Griffin, Matthew; Gundersen, Joshua; Halpern, Mark; Hargrave, Peter C.; Hughes, David H.; Klein, Jeff; Marsden, Gaelen; Martin, Peter G.; Mauskopf, Philip; Miville-Deschnes, Marc Antoine; Netterfield, Calvin B.; Olmi, Luca; Patanchon, Guillaume; Rex, Marie; Scott, Douglas; Semisch, Christopher; Truch, Matthew D P; Tucker, Carole; Tucker, Gregory S.; Viero, Marco P.; Wiebe, Donald V.

In: Astrophysical Journal, Vol. 708, No. 2, 2010, p. 1611-1620.

Research output: Contribution to journalArticle

Roy, A, Ade, PAR, Bock, JJ, Chapin, EL, Devlin, MJ, Dicker, SR, Griffin, M, Gundersen, J, Halpern, M, Hargrave, PC, Hughes, DH, Klein, J, Marsden, G, Martin, PG, Mauskopf, P, Miville-Deschnes, MA, Netterfield, CB, Olmi, L, Patanchon, G, Rex, M, Scott, D, Semisch, C, Truch, MDP, Tucker, C, Tucker, GS, Viero, MP & Wiebe, DV 2010, 'BLAST05: Power spectra of bright galactic cirrus at submillimeter wavelengths', Astrophysical Journal, vol. 708, no. 2, pp. 1611-1620. https://doi.org/10.1088/0004-637X/708/2/1611
Roy, Arabindo ; Ade, Peter A R ; Bock, James J. ; Chapin, Edward L. ; Devlin, Mark J. ; Dicker, Simon R. ; Griffin, Matthew ; Gundersen, Joshua ; Halpern, Mark ; Hargrave, Peter C. ; Hughes, David H. ; Klein, Jeff ; Marsden, Gaelen ; Martin, Peter G. ; Mauskopf, Philip ; Miville-Deschnes, Marc Antoine ; Netterfield, Calvin B. ; Olmi, Luca ; Patanchon, Guillaume ; Rex, Marie ; Scott, Douglas ; Semisch, Christopher ; Truch, Matthew D P ; Tucker, Carole ; Tucker, Gregory S. ; Viero, Marco P. ; Wiebe, Donald V. / BLAST05 : Power spectra of bright galactic cirrus at submillimeter wavelengths. In: Astrophysical Journal. 2010 ; Vol. 708, No. 2. pp. 1611-1620.
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AU - Dicker, Simon R.

AU - Griffin, Matthew

AU - Gundersen, Joshua

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AU - Olmi, Luca

AU - Patanchon, Guillaume

AU - Rex, Marie

AU - Scott, Douglas

AU - Semisch, Christopher

AU - Truch, Matthew D P

AU - Tucker, Carole

AU - Tucker, Gregory S.

AU - Viero, Marco P.

AU - Wiebe, Donald V.

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N2 - We report multi-wavelength power spectra of diffuse Galactic dust emission from Balloon-borne Large Aperture Submillimeter Telescope observations at 250, 350, and 500 μm in Galactic plane fields in Cygnus X and Aquila. These submillimeter power spectra statistically quantify the self-similar structure observable over a broad range of scales and can be used to assess the cirrus noise which limits the detection of faint point sources. The advent of submillimeter surveys with the Herschel Space Observatory makes the wavelength dependence a matter of interest. We show that the observed relative amplitudes of the power spectra can be related through a spectral energy distribution (SED). Fitting a simple modified black body to this SED, we find the dust temperature in Cygnus X to be 19.8 ± 1.5 K and in the Aquila region 16.8 ± 0.8 K. Our empirical estimates provide important new insight into the substantial cirrus noise that will be encountered in forthcoming observations.

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