Limb brightening on Uranus: The visible spectrum, II
New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were ma...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1978 |
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| Reproduktion: |
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 |
|---|---|
| Übergeordnetes Werk: |
in: Icarus - Amsterdam : Elsevier, 34(1978), 2, Seite 355-373 |
| Übergeordnetes Werk: |
volume:34 ; year:1978 ; number:2 ; pages:355-373 |
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NLEJ180435493 |
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| 520 | |a New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were made in orthogonal directions. Disk structure in each waveband is apparent through lack of circular symmetry in the intensity distribution over the Uranus image. Polar brightening is especially prominent in the λ 7500-A waveband. Coarse quantitative determinations of the true intensity distribution over the Uranus disk were made. For the λ 6190-A CH"4 band, Uranus exhibits a disk of essentially uniform intensity except for a hint of polar brightening. For the λ 7300-A CH"4 band, moderate limb brightening is apparent. Specifically, the true intensities at the center and limb of the planetary disk are approximately in the proportion 1:2. Extreme limb brightening, with a corresponding intensity ratio greater than 1:4, is not permitted by the observational data. | ||
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(DE-627)NLEJ180435493 (DE-599)GBVNLZ180435493 DE-627 ger DE-627 rakwb eng Limb brightening on Uranus: The visible spectrum, II 1978 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were made in orthogonal directions. Disk structure in each waveband is apparent through lack of circular symmetry in the intensity distribution over the Uranus image. Polar brightening is especially prominent in the λ 7500-A waveband. Coarse quantitative determinations of the true intensity distribution over the Uranus disk were made. For the λ 6190-A CH"4 band, Uranus exhibits a disk of essentially uniform intensity except for a hint of polar brightening. For the λ 7300-A CH"4 band, moderate limb brightening is apparent. Specifically, the true intensities at the center and limb of the planetary disk are approximately in the proportion 1:2. Extreme limb brightening, with a corresponding intensity ratio greater than 1:4, is not permitted by the observational data. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Price, M.J. oth Franz, O.G. oth in Icarus Amsterdam : Elsevier 34(1978), 2, Seite 355-373 (DE-627)NLEJ176861017 (DE-600)1467991-7 0019-1035 nnns volume:34 year:1978 number:2 pages:355-373 http://dx.doi.org/10.1016/0019-1035(78)90173-2 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 34 1978 2 355-373 |
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(DE-627)NLEJ180435493 (DE-599)GBVNLZ180435493 DE-627 ger DE-627 rakwb eng Limb brightening on Uranus: The visible spectrum, II 1978 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were made in orthogonal directions. Disk structure in each waveband is apparent through lack of circular symmetry in the intensity distribution over the Uranus image. Polar brightening is especially prominent in the λ 7500-A waveband. Coarse quantitative determinations of the true intensity distribution over the Uranus disk were made. For the λ 6190-A CH"4 band, Uranus exhibits a disk of essentially uniform intensity except for a hint of polar brightening. For the λ 7300-A CH"4 band, moderate limb brightening is apparent. Specifically, the true intensities at the center and limb of the planetary disk are approximately in the proportion 1:2. Extreme limb brightening, with a corresponding intensity ratio greater than 1:4, is not permitted by the observational data. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Price, M.J. oth Franz, O.G. oth in Icarus Amsterdam : Elsevier 34(1978), 2, Seite 355-373 (DE-627)NLEJ176861017 (DE-600)1467991-7 0019-1035 nnns volume:34 year:1978 number:2 pages:355-373 http://dx.doi.org/10.1016/0019-1035(78)90173-2 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 34 1978 2 355-373 |
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(DE-627)NLEJ180435493 (DE-599)GBVNLZ180435493 DE-627 ger DE-627 rakwb eng Limb brightening on Uranus: The visible spectrum, II 1978 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were made in orthogonal directions. Disk structure in each waveband is apparent through lack of circular symmetry in the intensity distribution over the Uranus image. Polar brightening is especially prominent in the λ 7500-A waveband. Coarse quantitative determinations of the true intensity distribution over the Uranus disk were made. For the λ 6190-A CH"4 band, Uranus exhibits a disk of essentially uniform intensity except for a hint of polar brightening. For the λ 7300-A CH"4 band, moderate limb brightening is apparent. Specifically, the true intensities at the center and limb of the planetary disk are approximately in the proportion 1:2. Extreme limb brightening, with a corresponding intensity ratio greater than 1:4, is not permitted by the observational data. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Price, M.J. oth Franz, O.G. oth in Icarus Amsterdam : Elsevier 34(1978), 2, Seite 355-373 (DE-627)NLEJ176861017 (DE-600)1467991-7 0019-1035 nnns volume:34 year:1978 number:2 pages:355-373 http://dx.doi.org/10.1016/0019-1035(78)90173-2 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 34 1978 2 355-373 |
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(DE-627)NLEJ180435493 (DE-599)GBVNLZ180435493 DE-627 ger DE-627 rakwb eng Limb brightening on Uranus: The visible spectrum, II 1978 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were made in orthogonal directions. Disk structure in each waveband is apparent through lack of circular symmetry in the intensity distribution over the Uranus image. Polar brightening is especially prominent in the λ 7500-A waveband. Coarse quantitative determinations of the true intensity distribution over the Uranus disk were made. For the λ 6190-A CH"4 band, Uranus exhibits a disk of essentially uniform intensity except for a hint of polar brightening. For the λ 7300-A CH"4 band, moderate limb brightening is apparent. Specifically, the true intensities at the center and limb of the planetary disk are approximately in the proportion 1:2. Extreme limb brightening, with a corresponding intensity ratio greater than 1:4, is not permitted by the observational data. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Price, M.J. oth Franz, O.G. oth in Icarus Amsterdam : Elsevier 34(1978), 2, Seite 355-373 (DE-627)NLEJ176861017 (DE-600)1467991-7 0019-1035 nnns volume:34 year:1978 number:2 pages:355-373 http://dx.doi.org/10.1016/0019-1035(78)90173-2 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 34 1978 2 355-373 |
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(DE-627)NLEJ180435493 (DE-599)GBVNLZ180435493 DE-627 ger DE-627 rakwb eng Limb brightening on Uranus: The visible spectrum, II 1978 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were made in orthogonal directions. Disk structure in each waveband is apparent through lack of circular symmetry in the intensity distribution over the Uranus image. Polar brightening is especially prominent in the λ 7500-A waveband. Coarse quantitative determinations of the true intensity distribution over the Uranus disk were made. For the λ 6190-A CH"4 band, Uranus exhibits a disk of essentially uniform intensity except for a hint of polar brightening. For the λ 7300-A CH"4 band, moderate limb brightening is apparent. Specifically, the true intensities at the center and limb of the planetary disk are approximately in the proportion 1:2. Extreme limb brightening, with a corresponding intensity ratio greater than 1:4, is not permitted by the observational data. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Price, M.J. oth Franz, O.G. oth in Icarus Amsterdam : Elsevier 34(1978), 2, Seite 355-373 (DE-627)NLEJ176861017 (DE-600)1467991-7 0019-1035 nnns volume:34 year:1978 number:2 pages:355-373 http://dx.doi.org/10.1016/0019-1035(78)90173-2 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 34 1978 2 355-373 |
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limb brightening on uranus: the visible spectrum, ii |
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Limb brightening on Uranus: The visible spectrum, II |
| abstract |
New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were made in orthogonal directions. Disk structure in each waveband is apparent through lack of circular symmetry in the intensity distribution over the Uranus image. Polar brightening is especially prominent in the λ 7500-A waveband. Coarse quantitative determinations of the true intensity distribution over the Uranus disk were made. For the λ 6190-A CH"4 band, Uranus exhibits a disk of essentially uniform intensity except for a hint of polar brightening. For the λ 7300-A CH"4 band, moderate limb brightening is apparent. Specifically, the true intensities at the center and limb of the planetary disk are approximately in the proportion 1:2. Extreme limb brightening, with a corresponding intensity ratio greater than 1:4, is not permitted by the observational data. |
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New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were made in orthogonal directions. Disk structure in each waveband is apparent through lack of circular symmetry in the intensity distribution over the Uranus image. Polar brightening is especially prominent in the λ 7500-A waveband. Coarse quantitative determinations of the true intensity distribution over the Uranus disk were made. For the λ 6190-A CH"4 band, Uranus exhibits a disk of essentially uniform intensity except for a hint of polar brightening. For the λ 7300-A CH"4 band, moderate limb brightening is apparent. Specifically, the true intensities at the center and limb of the planetary disk are approximately in the proportion 1:2. Extreme limb brightening, with a corresponding intensity ratio greater than 1:4, is not permitted by the observational data. |
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New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were made in orthogonal directions. Disk structure in each waveband is apparent through lack of circular symmetry in the intensity distribution over the Uranus image. Polar brightening is especially prominent in the λ 7500-A waveband. Coarse quantitative determinations of the true intensity distribution over the Uranus disk were made. For the λ 6190-A CH"4 band, Uranus exhibits a disk of essentially uniform intensity except for a hint of polar brightening. For the λ 7300-A CH"4 band, moderate limb brightening is apparent. Specifically, the true intensities at the center and limb of the planetary disk are approximately in the proportion 1:2. Extreme limb brightening, with a corresponding intensity ratio greater than 1:4, is not permitted by the observational data. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">NLEJ180435493</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20210706125603.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">070505s1978 xx |||||o 00| ||eng c</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ180435493</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)GBVNLZ180435493</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Limb brightening on Uranus: The visible spectrum, II</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1978</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">z</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zu</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">New narrow-band (100 A) photoelectric area-scanning photometry of the Uranus disk is reported. Observations were concentrated on the two strong CH"4 bands at λ 6190 and 7300 A. Adjacent continuum regions at λ 6400 and 7500 A were also measured for comparison. Both slit and pinhole scans were made in orthogonal directions. Disk structure in each waveband is apparent through lack of circular symmetry in the intensity distribution over the Uranus image. Polar brightening is especially prominent in the λ 7500-A waveband. Coarse quantitative determinations of the true intensity distribution over the Uranus disk were made. For the λ 6190-A CH"4 band, Uranus exhibits a disk of essentially uniform intensity except for a hint of polar brightening. For the λ 7300-A CH"4 band, moderate limb brightening is apparent. Specifically, the true intensities at the center and limb of the planetary disk are approximately in the proportion 1:2. Extreme limb brightening, with a corresponding intensity ratio greater than 1:4, is not permitted by the observational data.</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="f">Elsevier Journal Backfiles on ScienceDirect 1907 - 2002</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Price, M.J.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Franz, O.G.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">in</subfield><subfield code="t">Icarus</subfield><subfield code="d">Amsterdam : Elsevier</subfield><subfield code="g">34(1978), 2, Seite 355-373</subfield><subfield code="w">(DE-627)NLEJ176861017</subfield><subfield code="w">(DE-600)1467991-7</subfield><subfield code="x">0019-1035</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:34</subfield><subfield code="g">year:1978</subfield><subfield code="g">number:2</subfield><subfield code="g">pages:355-373</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">http://dx.doi.org/10.1016/0019-1035(78)90173-2</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_H</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-SDJ</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">34</subfield><subfield code="j">1978</subfield><subfield code="e">2</subfield><subfield code="h">355-373</subfield></datafield></record></collection>
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