THE SPITZER SURVEY of STELLAR STRUCTURE in GALAXIES (S4G): STELLAR MASSES, SIZES, and RADIAL PROFILES for 2352 NEARBY GALAXIES

Juan Carlos Muñoz-Mateos, Kartik Sheth, Michael Regan, Taehyun Kim, Jarkko Laine, Santiago Erroz Ferrer, Armando Gil De Paz, Sebastien Comeron, Joannah Hinz, Eija Laurikainen, Heikki Salo, E. Athanassoula, Albert Bosma, Alexandre Y K Bouquin, Eva Schinnerer, Luis Ho, Dennis F Zaritsky, Dimitri A. Gadotti, Barry Madore, Benne HolwerdaKarín Menéndez-Delmestre, Johan H. Knapen, Sharon Meidt, Miguel Querejeta, Trisha Mizusawa, Mark Seibert, Seppo Laine, Helene Courtois

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

The Spitzer Survey of Stellar Structure in Galaxies is a volume, magnitude, and size-limited survey of 2352 nearby galaxies with deep imaging at 3.6 and 4.5 μm. In this paper, we describe our surface photometry pipeline and showcase the associated data products that we have released to the community. We also identify the physical mechanisms leading to different levels of central stellar mass concentration for galaxies with the same total stellar mass. Finally, we derive the local stellar mass-size relation at 3.6 μm for galaxies of different morphologies. Our radial profiles reach stellar mass surface densities below . Given the negligible impact of dust and the almost constant mass-to-light ratio at these wavelengths, these profiles constitute an accurate inventory of the radial distribution of stellar mass in nearby galaxies. From these profiles we have also derived global properties such as asymptotic magnitudes (and the corresponding stellar masses), isophotal sizes and shapes, and concentration indices. These and other data products from our various pipelines (science-ready mosaics, object masks, 2D image decompositions, and stellar mass maps) can be publicly accessed at IRSA (http://irsa.ipac.caltech.edu/data/SPITZER/S4G/).

Original languageEnglish (US)
Article number3
JournalAstrophysical Journal, Supplement Series
Volume219
Issue number1
DOIs
StatePublished - Jul 20 2015

Fingerprint

stellar mass
galaxies
data products
profiles
stellar structure
mass to light ratios
radial distribution
photometry
masks
dust
decomposition
wavelength
wavelengths

Keywords

  • galaxies: evolution
  • galaxies: fundamental parameters
  • galaxies: photometry
  • galaxies: stellar content
  • galaxies: structure
  • surveys

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

THE SPITZER SURVEY of STELLAR STRUCTURE in GALAXIES (S4G) : STELLAR MASSES, SIZES, and RADIAL PROFILES for 2352 NEARBY GALAXIES. / Muñoz-Mateos, Juan Carlos; Sheth, Kartik; Regan, Michael; Kim, Taehyun; Laine, Jarkko; Ferrer, Santiago Erroz; Paz, Armando Gil De; Comeron, Sebastien; Hinz, Joannah; Laurikainen, Eija; Salo, Heikki; Athanassoula, E.; Bosma, Albert; Bouquin, Alexandre Y K; Schinnerer, Eva; Ho, Luis; Zaritsky, Dennis F; Gadotti, Dimitri A.; Madore, Barry; Holwerda, Benne; Menéndez-Delmestre, Karín; Knapen, Johan H.; Meidt, Sharon; Querejeta, Miguel; Mizusawa, Trisha; Seibert, Mark; Laine, Seppo; Courtois, Helene.

In: Astrophysical Journal, Supplement Series, Vol. 219, No. 1, 3, 20.07.2015.

Research output: Contribution to journalArticle

Muñoz-Mateos, JC, Sheth, K, Regan, M, Kim, T, Laine, J, Ferrer, SE, Paz, AGD, Comeron, S, Hinz, J, Laurikainen, E, Salo, H, Athanassoula, E, Bosma, A, Bouquin, AYK, Schinnerer, E, Ho, L, Zaritsky, DF, Gadotti, DA, Madore, B, Holwerda, B, Menéndez-Delmestre, K, Knapen, JH, Meidt, S, Querejeta, M, Mizusawa, T, Seibert, M, Laine, S & Courtois, H 2015, 'THE SPITZER SURVEY of STELLAR STRUCTURE in GALAXIES (S4G): STELLAR MASSES, SIZES, and RADIAL PROFILES for 2352 NEARBY GALAXIES', Astrophysical Journal, Supplement Series, vol. 219, no. 1, 3. https://doi.org/10.1088/0067-0049/219/1/3
Muñoz-Mateos, Juan Carlos ; Sheth, Kartik ; Regan, Michael ; Kim, Taehyun ; Laine, Jarkko ; Ferrer, Santiago Erroz ; Paz, Armando Gil De ; Comeron, Sebastien ; Hinz, Joannah ; Laurikainen, Eija ; Salo, Heikki ; Athanassoula, E. ; Bosma, Albert ; Bouquin, Alexandre Y K ; Schinnerer, Eva ; Ho, Luis ; Zaritsky, Dennis F ; Gadotti, Dimitri A. ; Madore, Barry ; Holwerda, Benne ; Menéndez-Delmestre, Karín ; Knapen, Johan H. ; Meidt, Sharon ; Querejeta, Miguel ; Mizusawa, Trisha ; Seibert, Mark ; Laine, Seppo ; Courtois, Helene. / THE SPITZER SURVEY of STELLAR STRUCTURE in GALAXIES (S4G) : STELLAR MASSES, SIZES, and RADIAL PROFILES for 2352 NEARBY GALAXIES. In: Astrophysical Journal, Supplement Series. 2015 ; Vol. 219, No. 1.
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AU - Muñoz-Mateos, Juan Carlos

AU - Sheth, Kartik

AU - Regan, Michael

AU - Kim, Taehyun

AU - Laine, Jarkko

AU - Ferrer, Santiago Erroz

AU - Paz, Armando Gil De

AU - Comeron, Sebastien

AU - Hinz, Joannah

AU - Laurikainen, Eija

AU - Salo, Heikki

AU - Athanassoula, E.

AU - Bosma, Albert

AU - Bouquin, Alexandre Y K

AU - Schinnerer, Eva

AU - Ho, Luis

AU - Zaritsky, Dennis F

AU - Gadotti, Dimitri A.

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AU - Meidt, Sharon

AU - Querejeta, Miguel

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KW - galaxies: fundamental parameters

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KW - galaxies: stellar content

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KW - surveys

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