IMAGING COMET ISON C/2012 S1 IN THE INNER CORONA AT PERIHELION
Much anticipation and speculation were building around comet ISON, or C/2012 S1, discovered on 2012 September 21 by the International Scientific Optical Network telescope in Russia, and bound for the Sun on 2013 November 28, with a closest heliocentric approach distance of 2.7 R sub([middot in circl...
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Veröffentlicht in: | Astrophysical journal. Letters 2014-04, Vol.784 (2), p.1-4 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Much anticipation and speculation were building around comet ISON, or C/2012 S1, discovered on 2012 September 21 by the International Scientific Optical Network telescope in Russia, and bound for the Sun on 2013 November 28, with a closest heliocentric approach distance of 2.7 R sub([middot in circle]). Here we present the first white light image of the comet's trail through the inner corona. The image was taken with a wide field Lyot-type coronagraph from the Mees Observatory on Haleakala at 19:12 UT, past its perihelion passage at 18:45 UT. The perfect match between the comet's trail captured in the inner corona and the trail that had persisted across the field of view of 2-6 R sub([middot in circle]) of the Solar and Heliospheric Observatory Large Angle and Spectrometric Coronagraph Experiment/C2 coronagraph at 19:12 UT demonstrates that the comet survived its perihelion passage. |
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ISSN: | 2041-8205 2041-8213 |
DOI: | 10.1088/2041-8205/784/2/L22 |