SIMBAD references

2013A&A...549A..18T - Astronomy and Astrophysics, volume 549A, 18-18 (2013/1-1)

The EBLM project. I. Physical and orbital parameters, including spin-orbit angles, of two low-mass eclipsing binaries on opposite sides of the brown dwarf limit.

TRIAUD A.H.M.J., HEBB L., ANDERSON D.R., CARGILE P., COLLIER CAMERON A., DOYLE A.P., FAEDI F., GILLON M., GOMEZ MAQUEO CHEW Y., HELLIER C., JEHIN E., MAXTED P., NAEF D., PEPE F., POLLACCO D., QUELOZ D., SEGRANSAN D., SMALLEY B., STASSUN K., UDRY S. and WEST R.G.

Abstract (from CDS):

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±2MJup, 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.

Abstract Copyright:

Journal keyword(s): binaries: eclipsing - stars: individual: WASP-30 - techniques: radial velocities - stars: individual: J1219-39 - stars: low-mass - brown dwarfs

VizieR on-line data: <Available at CDS (J/A+A/549/A18): w30lc1.dat w30lc2.dat w30rv1.dat w30rv2.dat j1219lc1.dat j1219lc2.dat j1219lc3.dat j1219lc4.dat j1219rv1.dat>

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2020.08.14-16:15:58

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