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Acronyms that contain the term shell star
What does shell star mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: shell star.
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What does shell star mean?
- Shell star
- A shell star is a star having a spectrum that shows extremely broad absorption lines, plus some very narrow absorption lines. They typically also show some emission lines, usually from the Balmer series but occasionally of other lines. The broad absorption lines are due to rapid rotation of the photosphere, the emission lines from an equatorial disk, and the narrow absorption lines are produced when the disc is seen nearly edge-on. Shell stars have spectral types O7.5 to F5, with rotation velocities of 200–300 km/s, not far from the point when the rotational acceleration would disrupt the star.
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"shell star." Abbreviations.com. STANDS4 LLC, 2024. Web. 11 Jun 2024. <https://www.abbreviations.com/shell%20star>.
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