Low Resolution Spectrum of the Orion Nebula in the 60–300 μ Range
Airborne observations of the Trapezium region of the Orion Nebula in the 60–300 μ range have been made from 13.7 km altitude using a Michelson interferometer with the Rice University 12-in. Flying Infrared Telescope. Fourier analysis of five interferometer scans provided spectra with resolution rang...
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| Veröffentlicht in: | Symposium - International Astronomical Union 1973, Vol.52, p.453-457 |
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| container_title | Symposium - International Astronomical Union |
| container_volume | 52 |
| creator | Swift, C. D. Witteborn, F. C. Erickson, E. F. Caroff, L. J. Augason, G. C. Mord, A. J. Kunz, L. W. Giver, L. P. |
| description | Airborne observations of the Trapezium region of the Orion Nebula in the 60–300
μ
range have been made from 13.7 km altitude using a Michelson interferometer with the Rice University 12-in. Flying Infrared Telescope. Fourier analysis of five interferometer scans provided spectra with resolution ranging from 7 cm
–1
to 20 cm
–1
. These spectra were compared with lunar spectra taken with the same instrument at the same altitude to correct for instrumental and atmospheric effects. A weighted combination of these scans provides a low resolution spectrum. The radiation per unit frequency interval at 190
μ
was found to be at least 40% of that measured between 75 and 90
μ.
Neglecting possible features in the spectrum, its general shape is consistent with a blackbody near 70 K. The resolution is inadequate to resolve spectral lines. |
| doi_str_mv | 10.1017/S0074180900054619 |
| format | Article |
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μ
range have been made from 13.7 km altitude using a Michelson interferometer with the Rice University 12-in. Flying Infrared Telescope. Fourier analysis of five interferometer scans provided spectra with resolution ranging from 7 cm
–1
to 20 cm
–1
. These spectra were compared with lunar spectra taken with the same instrument at the same altitude to correct for instrumental and atmospheric effects. A weighted combination of these scans provides a low resolution spectrum. The radiation per unit frequency interval at 190
μ
was found to be at least 40% of that measured between 75 and 90
μ.
Neglecting possible features in the spectrum, its general shape is consistent with a blackbody near 70 K. The resolution is inadequate to resolve spectral lines.</description><identifier>ISSN: 0074-1809</identifier><identifier>DOI: 10.1017/S0074180900054619</identifier><language>eng</language><ispartof>Symposium - International Astronomical Union, 1973, Vol.52, p.453-457</ispartof><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c859-4003e1a45ed30b0258f554e52ebc254e1953188711fb66d56a76ca4d3962cadc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,4012,27906,27907,27908</link.rule.ids></links><search><creatorcontrib>Swift, C. D.</creatorcontrib><creatorcontrib>Witteborn, F. C.</creatorcontrib><creatorcontrib>Erickson, E. F.</creatorcontrib><creatorcontrib>Caroff, L. J.</creatorcontrib><creatorcontrib>Augason, G. C.</creatorcontrib><creatorcontrib>Mord, A. J.</creatorcontrib><creatorcontrib>Kunz, L. W.</creatorcontrib><creatorcontrib>Giver, L. P.</creatorcontrib><title>Low Resolution Spectrum of the Orion Nebula in the 60–300 μ Range</title><title>Symposium - International Astronomical Union</title><description>Airborne observations of the Trapezium region of the Orion Nebula in the 60–300
μ
range have been made from 13.7 km altitude using a Michelson interferometer with the Rice University 12-in. Flying Infrared Telescope. Fourier analysis of five interferometer scans provided spectra with resolution ranging from 7 cm
–1
to 20 cm
–1
. These spectra were compared with lunar spectra taken with the same instrument at the same altitude to correct for instrumental and atmospheric effects. A weighted combination of these scans provides a low resolution spectrum. The radiation per unit frequency interval at 190
μ
was found to be at least 40% of that measured between 75 and 90
μ.
Neglecting possible features in the spectrum, its general shape is consistent with a blackbody near 70 K. The resolution is inadequate to resolve spectral lines.</description><issn>0074-1809</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1973</creationdate><recordtype>article</recordtype><recordid>eNplj0tOwzAURT0Aiap0Acy8gcB78Sf2EJWvFFGp7TxynBcISpPKToSYsQe2wxpYBCuhAWaM7tW50pUOY2cI5wiYXWwAMokGLAAoqdEesdmEkomdsEWMz4cFlbHG4Ixd5f0LX1Ps23Fo-o5v9uSHMO54X_PhifgqTPSByrF1vOl-mIavt3cBwD8_-Np1j3TKjmvXRlr85Zxtb663y7skX93eLy_zxBtlEwkgCJ1UVAkoIVWmVkqSSqn06aGgVQKNyRDrUutKaZdp72QlrE69q7yYM_y99aGPMVBd7EOzc-G1QCgm-eKfvPgGfExNOw</recordid><startdate>1973</startdate><enddate>1973</enddate><creator>Swift, C. D.</creator><creator>Witteborn, F. C.</creator><creator>Erickson, E. F.</creator><creator>Caroff, L. J.</creator><creator>Augason, G. C.</creator><creator>Mord, A. J.</creator><creator>Kunz, L. W.</creator><creator>Giver, L. P.</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>1973</creationdate><title>Low Resolution Spectrum of the Orion Nebula in the 60–300 μ Range</title><author>Swift, C. D. ; Witteborn, F. C. ; Erickson, E. F. ; Caroff, L. J. ; Augason, G. C. ; Mord, A. J. ; Kunz, L. W. ; Giver, L. P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c859-4003e1a45ed30b0258f554e52ebc254e1953188711fb66d56a76ca4d3962cadc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1973</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Swift, C. D.</creatorcontrib><creatorcontrib>Witteborn, F. C.</creatorcontrib><creatorcontrib>Erickson, E. F.</creatorcontrib><creatorcontrib>Caroff, L. J.</creatorcontrib><creatorcontrib>Augason, G. C.</creatorcontrib><creatorcontrib>Mord, A. J.</creatorcontrib><creatorcontrib>Kunz, L. W.</creatorcontrib><creatorcontrib>Giver, L. P.</creatorcontrib><collection>CrossRef</collection><jtitle>Symposium - International Astronomical Union</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Swift, C. D.</au><au>Witteborn, F. C.</au><au>Erickson, E. F.</au><au>Caroff, L. J.</au><au>Augason, G. C.</au><au>Mord, A. J.</au><au>Kunz, L. W.</au><au>Giver, L. P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Low Resolution Spectrum of the Orion Nebula in the 60–300 μ Range</atitle><jtitle>Symposium - International Astronomical Union</jtitle><date>1973</date><risdate>1973</risdate><volume>52</volume><spage>453</spage><epage>457</epage><pages>453-457</pages><issn>0074-1809</issn><abstract>Airborne observations of the Trapezium region of the Orion Nebula in the 60–300
μ
range have been made from 13.7 km altitude using a Michelson interferometer with the Rice University 12-in. Flying Infrared Telescope. Fourier analysis of five interferometer scans provided spectra with resolution ranging from 7 cm
–1
to 20 cm
–1
. These spectra were compared with lunar spectra taken with the same instrument at the same altitude to correct for instrumental and atmospheric effects. A weighted combination of these scans provides a low resolution spectrum. The radiation per unit frequency interval at 190
μ
was found to be at least 40% of that measured between 75 and 90
μ.
Neglecting possible features in the spectrum, its general shape is consistent with a blackbody near 70 K. The resolution is inadequate to resolve spectral lines.</abstract><doi>10.1017/S0074180900054619</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0074-1809 |
| ispartof | Symposium - International Astronomical Union, 1973, Vol.52, p.453-457 |
| issn | 0074-1809 |
| language | eng |
| recordid | cdi_crossref_primary_10_1017_S0074180900054619 |
| source | Alma/SFX Local Collection |
| title | Low Resolution Spectrum of the Orion Nebula in the 60–300 μ Range |
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