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THE SPITZER SURVEY OF STELLAR STRUCTURE IN GALAXIES (S4G): MULTI-COMPONENT DECOMPOSITION STRATEGIES AND DATA RELEASE

  • Authors: Heikki Salo, Eija Laurikainen, Jarkko Laine, Sebastien Comerón, Dimitri A. Gadotti, Ron Buta, Kartik Sheth, Dennis Zaritsky, Luis Ho, Johan Knapen , E. Athannassoula, Albert Bosma, Seppo Laine, Mauricio Cisternas, Taehyun Kim, Juan Carlos Muñoz-Mateos, Michael Regan, Joannah L. Hinz, Armando Gil de Paz, Karin Menendez-Delmestre, Trisha Mizusawa, Santiago Erroz-Ferrer, Sharon E. Meidt, and Miguel Querejeta

2015 The Astrophysical Journal Supplement Series 219 4.

  • Provider: AAS Journals

Caption: Figure 9.

Different contributions to the sky background noise. The symbols indicate the measured average noise in sky measurement regions (RMS) in the cryogenic mission archival images (left frame; for clarity only those with 30 s original frame time are shown) and in warm mission images (right panel), as a function of ecliptic latitude. The lines indicate various noise contributions and the total noise calculated with Equations (11) and (12) for clarity a mean over 20° bins is shown. Note that in the left panel the peaking of readout noise contribution close to ecliptic plane is just a spurious effect.

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