Determination of Stellar Rotational Velocities

Slettebak, Arne

doi:10.1007/978-94-009-5456-4_10

Cited by 11 publications

(4 citation statements)

References 130 publications

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“…2-3 subtypes) in considering rapidly rotating stars to their nonrotating counterparts (see Slettebak et al 1980;Collins and Smith 1985, and references therein). For the interested reader, the detailed history of line profile analysis is given a substantively more thorough treatment in Slettebak (1985). On the broad subject of rotation the multiple editions of Tassoul (1978Tassoul ( , 2000 and proceedings of the two dedicated IAU meetings (Colloquium 4 in 1969 organized by Arne Slettebak, Symposium 215 in 2002 organized by Andre Maeder & Philippe Eenens, both titled simply "Stellar Rotation") are indispensable resources.…”

Section: Spectroscopic Underpinningsmentioning

confidence: 99%

Interferometric observations of rapidly rotating stars

Belle

2012

Astron Astrophys Rev

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Optical interferometry provides us with a unique opportunity to improve our understanding of stellar structure and evolution. Through direct observation of rotationally distorted photospheres at sub-milliarcsecond scales, we are now able to characterize latitude dependencies of stellar radius, temperature structure, and even energy transport. These detailed new views of stars are leading to revised thinking in a broad array of associated topics, such as spectroscopy, stellar evolution, and exoplanet detection. As newly advanced techniques and instrumentation mature, this topic in astronomy is poised to greatly expand in depth and influence.

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Section: Spectroscopic Underpinningsmentioning

confidence: 99%

Interferometric observations of rapidly rotating stars

Belle

2012

Astron Astrophys Rev

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“…Many methods have been employed for the determination of v sin i values, ranging from visual inspection to Fourier analysis of line profiles (see Slettebak 1985). One of the simplest which can be done from nonphotographic spectra is the comparison of the full width at half maximum (hereafter, FWHM) of the Hei dnd Mgn lines at XX4471 and 4481 against a collection of standard stars.…”

Section: Details Of Observation and Analysismentioning

confidence: 99%

Rotational Velocity Determinations for 164 Be and B Stars

Halbedel¹

1996

PASP

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“…Struve (1950) writes that the rotation effect had been observed in a 100 systems without citing anyone. Slettebak (1985) is a good source of citations about this epoch. Worek (1996) and Hube & Couch (1982) are two examples of more recent observations of the Rossiter-McLaughlin effect.…”

Section: Introductionmentioning

confidence: 99%

The EBLM project

Triaud¹,

Hebb²,

Anderson³

et al. 2012

A&A

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This paper introduces a series of papers aiming to study the dozens of low-mass eclipsing binaries (EBLM), with F, G, K primaries, that have been discovered in the course of the WASP survey. Our objects are mostly single-line binaries whose eclipses have been detected by WASP and were initially followed up as potential planetary transit candidates. These have bright primaries, which facilitates spectroscopic observations during transit and allows the study of the spin-orbit distribution of F, G, K+M eclipsing binaries through the Rossiter-McLaughlin effect. Here we report on the spin-orbit angle of WASP-30b, a transiting brown dwarf, and improve its orbital parameters. We also present the mass, radius, spin-orbit angle and orbital parameters of a new eclipsing binary, J1219-39b (1SWAPJ121921.03-395125.6, TYC 7760-484-1), which, with a mass of 95±2 M jup , is close to the limit between brown dwarfs and stars. We find that both objects have projected spin-orbit angles aligned with their primaries' rotation. Neither primaries are synchronous. J1219-39b has a modestly eccentric orbit and is in agreement with the theoretical mass-radius relationship, whereas WASP-30b lies above it.

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Determination of Stellar Rotational Velocities

Cited by 11 publications

References 130 publications

Interferometric observations of rapidly rotating stars

Interferometric observations of rapidly rotating stars

Rotational Velocity Determinations for 164 Be and B Stars

The EBLM project

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