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Infrared Array Camera
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<h2 id="bands-summary">Bands summary</h2> <p>IRAC was capable of observing in the wavelengths of 3.6, 4.5, 5.8, and 8.0 <a href="/facts/Micron/7eDFxD2L">microns</a>. When its coolant ran out, only the two shorter wavelengths remained usable.<a class="footnote-ref" id="fnref:23" href="#fn:23"><sup>23</sup></a><a class="footnote-ref" id="fnref:24" href="#fn:24"><sup>24</sup></a> </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/MIRI_(Mid-Infrared_Instrument)/LWRjE4LX">MIRI (Mid-Infrared Instrument)</a></li> <li><a href="/facts/NIRCam/IEICTMnf">NIRCam</a>, a <a href="/facts/James_Webb_Space_Telescope/w4GAWnWX">James Webb Space Telescope</a> instrument for 0.6 to 5 μm light</li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="https://www.cfa.harvard.edu/irac/">IRAC website</a> by the <a href="/facts/Harvard%25E2%2580%2593Smithsonian_Center_for_Astrophysics/1MNDcvoo">Harvard–Smithsonian Center for Astrophysics</a></li> <li><a href="http://irsa.ipac.caltech.edu/data/SPITZER/docs/irac/">Spitzer Documentation & Tools: IRAC</a> by the <a href="/facts/Infrared_Science_Archive/z5TzmjSj">Infrared Science Archive</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"The Infrared Array Camera (IRAC)". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 June 2010. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-" target="_blank">https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Szondy, David (28 August 2016). "Spitzer goes "Beyond" for final mission". New Atlas. Retrieved 13 January 2017. <a href="http://newatlas.com/spitzer-beyond/45123/" target="_blank">http://newatlas.com/spitzer-beyond/45123/</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Szondy, David (28 August 2016). "Spitzer goes "Beyond" for final mission". New Atlas. Retrieved 13 January 2017. <a href="http://newatlas.com/spitzer-beyond/45123/" target="_blank">http://newatlas.com/spitzer-beyond/45123/</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"The Infrared Array Camera (IRAC)". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 June 2010. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-" target="_blank">https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Fazio, G. G.; Hora, J. L.; Allen, L. E.; Ashby, M. L. N.; Barmby, P.; et al. (September 2004). "The Infrared Array Camera (IRAC) for the Spitzer Space Telescope". The Astrophysical Journal Supplement Series. 154 (1): 10–17. arXiv:astro-ph/0405616. Bibcode:2004ApJS..154...10F. doi:10.1086/422843. S2CID 119344105. <a href="/wiki/Lori_Allen_(astronomer)" target="_blank">/wiki/Lori_Allen_(astronomer)</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"The Infrared Array Camera (IRAC)". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 June 2010. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-" target="_blank">https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>"Infrared Detector Developments". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 March 2014. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20140313061541/http://www.spitzer.caltech.edu/mission/192-Infrared-Detector-Developments" target="_blank">https://web.archive.org/web/20140313061541/http://www.spitzer.caltech.edu/mission/192-Infrared-Detector-Developments</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>"The Infrared Array Camera (IRAC)". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 June 2010. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-" target="_blank">https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Fazio, G. G.; Hora, J. L.; Allen, L. E.; Ashby, M. L. N.; Barmby, P.; et al. (September 2004). "The Infrared Array Camera (IRAC) for the Spitzer Space Telescope". The Astrophysical Journal Supplement Series. 154 (1): 10–17. arXiv:astro-ph/0405616. Bibcode:2004ApJS..154...10F. doi:10.1086/422843. S2CID 119344105. <a href="/wiki/Lori_Allen_(astronomer)" target="_blank">/wiki/Lori_Allen_(astronomer)</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>"IRAC Instrument Handbook: Appendix E. Acronyms". NASA/IPAC Infrared Science Archive. Spitzer Documentation and Tools. NASA / JPL / Caltech. Archived from the original on 13 January 2017. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20170113171616/http://irsa.ipac.caltech.edu/data/SPITZER/docs/irac/iracinstrumenthandbook/93/" target="_blank">https://web.archive.org/web/20170113171616/http://irsa.ipac.caltech.edu/data/SPITZER/docs/irac/iracinstrumenthandbook/93/</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>"Infrared Detector Developments". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 March 2014. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20140313061541/http://www.spitzer.caltech.edu/mission/192-Infrared-Detector-Developments" target="_blank">https://web.archive.org/web/20140313061541/http://www.spitzer.caltech.edu/mission/192-Infrared-Detector-Developments</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>Gehrz, R. D.; Roellig, T. L.; Werner, M. W.; Fazio, G. G.; Houck, J. R.; et al. (January 2007). "The NASA Spitzer Space Telescope" (PDF). Review of Scientific Instruments. 78 (1). 011302. Bibcode:2007RScI...78a1302G. doi:10.1063/1.2431313. PMID 17503900. <a href="https://authors.library.caltech.edu/7348/1/GEHrsi07.pdf" target="_blank">https://authors.library.caltech.edu/7348/1/GEHrsi07.pdf</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>"Warm IRAC Image Characteristics". NASA/IPAC Infrared Science Archive. Spitzer Documentation and Tools. NASA / JPL / Caltech. Retrieved 13 January 2017. <a href="http://irsa.ipac.caltech.edu/data/SPITZER/docs/irac/warmimgcharacteristics/" target="_blank">http://irsa.ipac.caltech.edu/data/SPITZER/docs/irac/warmimgcharacteristics/</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> <li id="fn:14"><p>"Warm IRAC Image Characteristics". NASA/IPAC Infrared Science Archive. Spitzer Documentation and Tools. NASA / JPL / Caltech. Retrieved 13 January 2017. <a href="http://irsa.ipac.caltech.edu/data/SPITZER/docs/irac/warmimgcharacteristics/" target="_blank">http://irsa.ipac.caltech.edu/data/SPITZER/docs/irac/warmimgcharacteristics/</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></p></li> <li id="fn:15"><p>"The Infrared Array Camera (IRAC)". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 June 2010. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-" target="_blank">https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></p></li> <li id="fn:16"><p>Hora, Joseph L.; Marengo, Massimo; Park, Rebecca; Wood, Denise; Hoffmann, William F.; et al. (September 2012). "The IRAC point response function in the warm Spitzer mission" (PDF). In Clampin, Mark C; Fazio, Giovanni G; MacEwen, Howard A; Oschmann, Jacobus M (eds.). Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave. Vol. 8442. 844239. Bibcode:2012SPIE.8442E..39H. doi:10.1117/12.926894. S2CID 120825801. <a href="https://authors.library.caltech.edu/99024/1/844239.pdf" target="_blank">https://authors.library.caltech.edu/99024/1/844239.pdf</a> <a href="#fnref:16" class="footnote-back-ref">↩</a></p></li> <li id="fn:17"><p>Hora, Joseph L.; Marengo, Massimo; Park, Rebecca; Wood, Denise; Hoffmann, William F.; et al. (September 2012). "The IRAC point response function in the warm Spitzer mission" (PDF). In Clampin, Mark C; Fazio, Giovanni G; MacEwen, Howard A; Oschmann, Jacobus M (eds.). Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave. Vol. 8442. 844239. Bibcode:2012SPIE.8442E..39H. doi:10.1117/12.926894. S2CID 120825801. <a href="https://authors.library.caltech.edu/99024/1/844239.pdf" target="_blank">https://authors.library.caltech.edu/99024/1/844239.pdf</a> <a href="#fnref:17" class="footnote-back-ref">↩</a></p></li> <li id="fn:18"><p>"The Multiple Instrument Chamber". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 March 2014. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20140313035531/http://www.spitzer.caltech.edu/mission/182-The-Multiple-Instrument-Chamber" target="_blank">https://web.archive.org/web/20140313035531/http://www.spitzer.caltech.edu/mission/182-The-Multiple-Instrument-Chamber</a> <a href="#fnref:18" class="footnote-back-ref">↩</a></p></li> <li id="fn:19"><p>"The Multiple Instrument Chamber". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 March 2014. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20140313035531/http://www.spitzer.caltech.edu/mission/182-The-Multiple-Instrument-Chamber" target="_blank">https://web.archive.org/web/20140313035531/http://www.spitzer.caltech.edu/mission/182-The-Multiple-Instrument-Chamber</a> <a href="#fnref:19" class="footnote-back-ref">↩</a></p></li> <li id="fn:20"><p>"The Multiple Instrument Chamber". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 March 2014. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20140313035531/http://www.spitzer.caltech.edu/mission/182-The-Multiple-Instrument-Chamber" target="_blank">https://web.archive.org/web/20140313035531/http://www.spitzer.caltech.edu/mission/182-The-Multiple-Instrument-Chamber</a> <a href="#fnref:20" class="footnote-back-ref">↩</a></p></li> <li id="fn:21"><p>Gehrz, R. D.; Roellig, T. L.; Werner, M. W.; Fazio, G. G.; Houck, J. R.; et al. (January 2007). "The NASA Spitzer Space Telescope" (PDF). Review of Scientific Instruments. 78 (1). 011302. Bibcode:2007RScI...78a1302G. doi:10.1063/1.2431313. PMID 17503900. <a href="https://authors.library.caltech.edu/7348/1/GEHrsi07.pdf" target="_blank">https://authors.library.caltech.edu/7348/1/GEHrsi07.pdf</a> <a href="#fnref:21" class="footnote-back-ref">↩</a></p></li> <li id="fn:22"><p>Gehrz, R. D.; Roellig, T. L.; Werner, M. W.; Fazio, G. G.; Houck, J. R.; et al. (January 2007). "The NASA Spitzer Space Telescope" (PDF). Review of Scientific Instruments. 78 (1). 011302. Bibcode:2007RScI...78a1302G. doi:10.1063/1.2431313. PMID 17503900. <a href="https://authors.library.caltech.edu/7348/1/GEHrsi07.pdf" target="_blank">https://authors.library.caltech.edu/7348/1/GEHrsi07.pdf</a> <a href="#fnref:22" class="footnote-back-ref">↩</a></p></li> <li id="fn:23"><p>"The Infrared Array Camera (IRAC)". Spitzer Space Telescope. NASA / JPL / Caltech. Archived from the original on 13 June 2010. Retrieved 13 January 2017. <a href="https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-" target="_blank">https://web.archive.org/web/20100613233239/http://spitzer.caltech.edu/mission/398-The-Infrared-Array-Camera-IRAC-</a> <a href="#fnref:23" class="footnote-back-ref">↩</a></p></li> <li id="fn:24"><p>Fazio, G. G.; Hora, J. L.; Allen, L. E.; Ashby, M. L. N.; Barmby, P.; et al. (September 2004). "The Infrared Array Camera (IRAC) for the Spitzer Space Telescope". The Astrophysical Journal Supplement Series. 154 (1): 10–17. arXiv:astro-ph/0405616. Bibcode:2004ApJS..154...10F. doi:10.1086/422843. S2CID 119344105. <a href="/wiki/Lori_Allen_(astronomer)" target="_blank">/wiki/Lori_Allen_(astronomer)</a> <a href="#fnref:24" class="footnote-back-ref">↩</a></p></li> </ol>