In-flight performance and calibration of the Infrared Array Camera (IRAC) for the Spitzer Space Telescope

By G. Fazio, J. Hora, L. E. Allen, M. Ashby, Pauline Barmby, L. Deutsch, J.-S. Huang, S. Kleiner, M. Marengo, S. Megeath and 55 more. SPIE Astronomical Telescopes + Instrumentation, 2004

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The Infrared Array Camera (IRAC) is one of three focal plane instruments on board the Spitzer Space Telescope. IRAC is a four-channel camera that obtains simultaneous broad-band images at 3.6, 4.5, 5.8, and 8.0 μm in two nearly adjacent fields of view. We summarize here the in-flight scientific, technical, and operational performance of IRAC.

Subfields: Aerospace Engineering, Astronomy and Astrophysics

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Citations in the corpus

• A CATALOG OF EXTENDED GREEN OBJECTS IN THE GLIMPSE SURVEY: A NEW SAMPLE OF MASSIVE YOUNG STELLAR OBJECT OUTFLOW CANDIDATES (2008, methodology): “…resolution Spitzer surveys of the Galactic plane using the InfraRed Array Camera (IRAC, 3.6, 4.5, 5.8, and 8.0 µm, resolution <2′′ in all bands; Fazio et al. 2004) and Multiband Imaging Photometer for Spitzer (MIPS, resolution ∼6′′ at 24 µm; Rieke et al. 2004) present an opportunity to…”
• INTERSTELLAR EXTINCTION LAW TOWARD THE GALACTIC CENTER III: J, H, KS BANDS IN THE 2MASS AND THE MKO SYSTEMS, AND 3.6, 4.5, 5.8, 8.0 μm IN THE SPITZER/IRAC SYSTEM (2009, methodology): “Indebetouw et al. (2005) measured the mean color-excess ratios from the color distributions of stars observed with the Infrared Array Camera (IRAC; Fazio et al. 2004) on board Spitzer Space Telescope (SST), along two lines of sight in the Galactic plane.”
• The mass evolution of the first galaxies: stellar mass functions and star formation rates at 4 < z < 7 in the CANDELS GOODS-South field (2014, methodology): “The Spitzer/IRAC (Fazio et al. 2004) 3.6 and 4.5 µm images were taken from the Spitzer Extended Deep Survey (PI: G. Fazio, Ashby et al. 2013) incorporating the pre-existing cryogenic observations from the GOODS Spitzer Legacy project (PI: M. Dickinson).”
• Spectroscopic Identification of a Protocluster at z = 2.300: Environmental Dependence of Galaxy Properties at High Redshift (2005, methodology): “…of the Spitzer Space Telescope and its capability of obtaining high-quality photometry in the restframe near-IR at z ∼ 2 − 3 using the IRAC instrument (Fazio et al. 2004), it is now possible to obtain relatively reliable measures of stellar population parameters, particularly stellar masses, when…”
• A T8.5 BROWN DWARF MEMBER OF THE ξ URSAE MAJORIS SYSTEM (2012, methodology): “Our standard data acquisition and reduction methodology for IRAC observations is outlined in Kirkpatrick et al. (2011).”
• The Star Formation History of the Universe as Revealed by Deep Radio Observations (2008, methodology): “2µm/L⊙) > 10, in our near-IR or IRAC data, corresponding to quite low stellar masses (i.e. log(M/M⊙) ∼ 10 depending on the exact mass-to-light ratio).”
• The Wavelength Dependence of Interstellar Extinction from 1.25 to 8.0 μm Using GLIMPSE Data (2004, methodology): “To calculate stellar colors, we adopt zero-magnitude flux densities of 277.5, 179.5, 116.6, and 63.1 Jy for the four IRAC bands (Fazio et al. 2004).”
• SEARCH FOR CARBON MONOXIDE IN THE ATMOSPHERE OF THE TRANSITING EXOPLANET HD 189733b (2009, background): “HD 189733b has been observed at 8 µm (Channel 4) with the Infrared Array Camera (IRAC; Fazio et al. 2004) aboard Spitzer.”
• THE SPITZER DEEP, WIDE-FIELD SURVEY (2009, methodology): “Figure 12 also compares the SDWFS count distribution to that of Fazio et al. (2004).”
• Discovery of Two T Dwarf Companions with the Spitzer Space Telescope (2006, background): “′′9 from 3.6 to 8.0 µm (Fazio et al. 2004).”
• A Spitzer Census of the IC 348 Nebula (2007, methodology): “To fit a power law to the 3−8µm SED we required sources in our catalog to be detected in at least three of the four Spitzer IRAC (InfraRed Array Camera; Fazio et al. 2004) bands; this restricted our search to a 26.8′ by 28.5′ region of the GTO IRAC maps centered at 03:44:20.518, +32:10:34.87 with a ”
• KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION, WARM-SPITZER PHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS (2011, positive): “02 were observed during two transits with Warm-Spitzer/IRAC (Werner et al. 2004; Fazio et al. 2004) at 4.5 µm (program ID 60028).”
• Number Counts at 3 μm < λ < 10 μm from the Spitzer Space Telescope (2004, background): “The flux density of Vega in the IRAC bandpasses is (277.5, 179.5, 116.6, 63.1) Jy (Fazio et al. 2004).”
• A POPULATION OF MASSIVE, LUMINOUS GALAXIES HOSTING HEAVILY DUST-OBSCURED GAMMA-RAY BURSTS: IMPLICATIONS FOR THE USE OF GRBs AS TRACERS OF COSMIC STAR FORMATION (2013, methodology): “Spitzer Space Telescope Observations of all of our targets were carried out with the InfraRed Array Camera (IRAC; Fazio et al. 2004) on Spitzer (Werner et al. 2004), mostly as part of our programs (GO 70036 and 90062, PI Perley) during Warm Mission Cycles 7 and 9.”
• Obscured and Unobscured Active Galactic Nuclei in the Spitzer Space Telescope First Look Survey (2004, background): “…the main field of the extragalactic component of the Spitzer First Look Survey (FLS), a shallow, 4 deg2 survey with the Infrared Array Camera (IRAC; Fazio et al. 2004) and the Multiband Imaging Photometer for Spitzer (MIPS; Rieke et al. 2004), for which an extensive multiwavelength ancillary…”