SIRTF – the Space Infrared Telescope Facility

Werner, M. W.; Gallagher, David; Irace, William R.

doi:10.1016/j.asr.2003.04.034

Cited by 14 publications

(12 citation statements)

References 1 publication

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“…The Spitzer space telescope (Werner et al 2004), launched in 2003, has performed deep infrared observations on wide fields. The multiband imaging photometers for Spitzer (MIPS) (Rieke et al 2004) mapped the sky at 24 μm, 70 μm and 160 μm.…”

Section: Introductionmentioning

confidence: 99%

Spitzerdeep and wide legacy mid- and far-infrared number counts and lower limits of cosmic infrared background

Béthermin

Dole

Beelen

et al. 2010

A&A

158

200

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Aims. We aim to place stronger lower limits on the cosmic infrared background (CIB) brightness at 24 μm, 70 μm and 160 μm and measure the extragalactic number counts at these wavelengths in a homogeneous way from various surveys. Methods. Using Spitzer legacy data over 53.6 deg 2 of various depths, we build catalogs with the same extraction method at each wavelength. Completeness and photometric accuracy are estimated with Monte-Carlo simulations. Number count uncertainties are estimated with a counts-in-cells moment method to take galaxy clustering into account. Furthermore, we use a stacking analysis to estimate number counts of sources not detected at 70 μm and 160 μm. This method is validated by simulations. The integration of the number counts gives new CIB lower limits. Results. Number counts reach 35 μJy, 3.5 mJy and 40 mJy at 24 μm, 70 μm, and 160 μm, respectively. We reach deeper flux densities of 0.38 mJy at 70, and 3.1 at 160 μm with a stacking analysis. We confirm the number count turnover at 24 μm and 70 μm, and observe it for the first time at 160 μm at about 20 mJy, together with a power-law behavior below 10 mJy. These mid-and far-infrared counts: 1) are homogeneously built by combining fields of different depths and sizes, providing a legacy over about three orders of magnitude in flux density; 2) are the deepest to date at 70 μm and 160 μm; 3) agree with previously published results in the common measured flux density range; 4) globally agree with the Lagache et al. (2004) , and 8.9 +1.1 −1.1 nW m −2 sr −1 at 24 μm, 70 μm, and 160 μm, respectively, and extrapolated to give new estimates of the CIB due to galaxies of 2.86 +0.19 −0.16 nW m −2 sr −1 , 6.6 +0.7 −0.6 nW m −2 sr −1 , and 14.6 +7.1 −2.9 nW m −2 sr −1 , respectively. Products (point spread function, counts, CIB contributions, software) are publicly available for download at http://www.ias.u-psud.fr/irgalaxies/

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Section: Introductionmentioning

confidence: 99%

Spitzerdeep and wide legacy mid- and far-infrared number counts and lower limits of cosmic infrared background

Béthermin

Dole

Beelen

et al. 2010

A&A

158

200

View full text Add to dashboard Cite

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“…These data results will also contribute to detailed observations by SIRTF (Werner et al, 2004), Herschel (Harwit, 2004), JWST (Seery, 2003), SPICA (Nakagawa, 2004), SOFIA (Casey, 2004), and other future observatory-type spaceborne missions and ground-based telescopes.…”

Section: Discussionmentioning

confidence: 65%

“…Pointing observations can be executed by staring at a certain direction for periods of ten minutes. After loss (Neugebauer et al, 1984) and SIRTF (5r, 200 s integration) (Werner et al, 2004). of cryogen (Phase III), near-infrared pointing observations will be continued for the remainder of the satelliteÕs life.…”

Section: Operationmentioning

confidence: 99%

ASTRO-F mission

Shibai

2004

Advances in Space Research

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“…by Spitzer Space Telescope (Spitzer) 7 following its August 2003 launch (Werner, Gallagher & Irace, 2004), and the fainter galaxies to be detected using the future 3.5-m Herschel Space Observatory after 2008 8 . In part, ground-based integral field unit spectrographs can locate galaxies when positions are known less accurately than a few arcsec, but to compile large samples and substantially complete redshift catalogs, techniques that rely on neither accurate positions nor optical telescopes will probably be required.…”

Section: Existing Radio Observationsmentioning

confidence: 99%

Searching for high-redshift centimeter-wave continuum, line and maser emission using the Square Kilometer Array

Blain

Carilli

Darling³

2004

New Astronomy Reviews

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We discuss the detection of redshifted line and continuum emission at radio wavelengths using a Square Kilometer Array (SKA), specifically from low-excitation rotational molecular line transitions of CO and HCN (molecular lines), the recombination radiation from atomic transitions in almost-ionized hydrogen (radio recombination lines; RRLs), OH and H2O maser lines, as well as from synchrotron and free-free continuum radiation and Hi 21-cm line radiation. The detection of radio lines with the SKA offers the prospect to determine the redshifts and thus exact luminosities for some of the most distant and optically faint star-forming galaxies and active galactic nuclei (AGN), even those galaxies that are either deeply enshrouded in interstellar dust or shining prior to the end of reionization. Moreover, it provides an opportunity to study the astrophysical conditions and resolved morphologies of the most active regions in galaxies during the most active phase of star formation at redshift z ∼ 2. A sufficiently powerful and adaptable SKA correlator will enable wide-field three-dimensional redshift surveys at chosen specific high redshifts, and will allow new probes of the evolution of large-scale structure (LSS) in the distribution of galaxies. The detection of molecular line radiation favours pushing the operating frequencies of SKA up to at least 26 GHz, and ideally to 40 GHz, while very high redshift maser emissions requires access to about 100 MHz.

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SIRTF – the Space Infrared Telescope Facility

Cited by 14 publications

References 1 publication

Spitzerdeep and wide legacy mid- and far-infrared number counts and lower limits of cosmic infrared background

Spitzerdeep and wide legacy mid- and far-infrared number counts and lower limits of cosmic infrared background

ASTRO-F mission

Searching for high-redshift centimeter-wave continuum, line and maser emission using the Square Kilometer Array

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