pith. sign in

arxiv: 1303.0254 · v1 · pith:FQOPSXREnew · submitted 2013-03-01 · 🌌 astro-ph.EP

WASP-80b: a gas giant transiting a cool dwarf

Amaury H. M. J. Triaud , D. R. Anderson , A. Collier Cameron , A. P. Doyle , A. Fumel , M. Gillon , C. Hellier , E. Jehin
show 12 more authors
M. Lendl C. Lovis P. F. L. Maxted F. Pepe D. Pollacco D. Queloz D. Segransan B. Smalley A. M. S. Smith S. Udry R. G. West P. J. Wheatley
This is my paper
classification 🌌 astro-ph.EP
keywords broadeninggiantstarstellartransitingadditionalamplitudeanalysis
0
0 comments X
read the original abstract

We report the discovery of a planet transiting the star WASP-80 (1SWASP J201240.26-020838.2; 2MASS J20124017-0208391; TYC 5165-481-1; BPM 80815; V=11.9, K=8.4). Our analysis shows this is a 0.55 +/- 0.04 Mjup, 0.95 +/- 0.03 Rjup gas giant on a circular 3.07 day orbit around a star with a spectral type between K7V and M0V. This system produces one of the largest transit depths so far reported, making it a worthwhile target for transmission spectroscopy. We find a large discrepancy between the v sin i inferred from stellar line broadening and the observed amplitude of the Rossiter-McLaughlin effect. This can be understood either by an orbital plane nearly perpendicular to the stellar spin or by an additional, unaccounted for source of broadening.

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Escape of Water- and Metal-enriched Atmospheres from compact Hot mini-Neptunes with CHAIN

    astro-ph.EP 2026-06 unverdicted novelty 6.0

    Water- and metal-rich atmospheres on compact hot mini-Neptunes lose mass more slowly than H/He cases at high enrichment levels due to enhanced cooling and higher mean molecular weight.

  2. JWST Observations of Asteroid 2024 YR4 Rule Out a 2032 Lunar Impact and Demonstrate a New Regime for Planetary Defense Follow-up

    astro-ph.EP 2026-05 conditional novelty 6.0

    JWST/NIRCam observations of 2024 YR4 extend the orbital arc by eight months, reduce 2032 lunar encounter uncertainty by >30x, and rule out impact with a 22,900 ± 800 km miss distance.

  3. J0404+1112: A 3-Hour Eclipsing White Dwarf-Brown Dwarf Probing Multiple Atmospheric Regimes

    astro-ph.SR 2026-06 unverdicted novelty 5.0

    J0404+1112 is a 2.93 hr period totally eclipsing WD+BD system with a hot DA white dwarf (T_eff ~28,000 K) and ~40 M_Jup brown dwarf, enabling isolation of nightside emission and serving as a JWST atmospheric benchmark.