activity
20122026
most citedJuliet: a versatile modelling tool for transiting and non-transiting exoplanetary systems

350 citations · 6.5k across the 136 of their papers we have counts for

collaborators
Showing 2018Show all

20 papers · 1 filter

astro-ph.EP2018★ 6 cited

HATS-71b: A giant planet transiting an M3 dwarf star in TESS Sector 1

G. Á. Bakos, D. Bayliss, J. Bento +41

We report the discovery of HATS-71b, a transiting gas giant planet on a P = 3.7955 day orbit around a G = 15.35 mag M3 dwarf star. HATS-71 is the coolest M dwarf star known to host…

astro-ph.EP2018★ 27 cited

HATS-54b-HATS-58Ab: five new transiting hot Jupiters including one with a possible temperate companion

Néstor Espinoza, Joel D. Hartman, Gaspar Á. Bakos +18

We report the discovery by the HATSouth project of 5 new transiting hot Jupiters (HATS-54b through HATS-58Ab). HATS-54b, HATS-55b and HATS-58Ab are prototypical short period ($P =…

astro-ph.EP2018★ 26 cited

ACCESS: Ground-based Optical Transmission Spectroscopy of the Hot Jupiter WASP-4b

Alex Bixel, Benjamin V. Rackham, Dániel Apai +6

We present an optical transmission spectrum of the atmosphere of WASP-4b obtained through observations of four transits with Magellan/IMACS. Using a Bayesian approach to atmospheri…

astro-ph.EP2018★ 350 cited

Juliet: a versatile modelling tool for transiting and non-transiting exoplanetary systems

Néstor Espinoza, Diana Kossakowski, Rafael Brahm

Here we present juliet, a versatile tool for the analysis of transits, radial-velocities, or both. juliet is built over many available tools for the modelling of transits, radial-v…

astro-ph.EP2018★ 72 cited

HATS-70b: A 13 Mjup brown dwarf transiting an A star

G. Zhou, G. Á. Bakos, D. Bayliss +23

We report the discovery of HATS-70b, a transiting brown dwarf at the deuterium burning limit. HATS-70b has a mass of Mp=12.9 +1.8/-1.6 Mjup and a radius of Rp=1.384 +0.079/-0.074 R…

astro-ph.EP2018★ 52 cited

HD2685 b: A Hot-Jupiter orbiting an early F-type star detected by TESS

M. I. Jones, R. Brahm, N. Espinoza +40

We report on the confirmation of a transiting giant planet around the relatively hot (Teff = 6801 56 K) star HD2685, whose transit signal was detected in Sector 1 data of the…

astro-ph.EP2018★ 1 cited

Efficient Joint Sampling of Impact Parameters and Transit Depths in Transiting Exoplanet Light Curves

Néstor Espinoza

When fitting transiting exoplanet lightcurves, it is usually desirable to have ranges and/or priors for the parameters which are to be retrieved that include our degree of knowledg…

astro-ph.EP2018★ 66 cited

HD 1397b: a transiting warm giant planet orbiting a V = 7.8 mag sub-giant star discovered by TESS

Rafael Brahm, Néstor Espinoza, Andrés Jordán +11

We report the discovery of a transiting planet first identified as a candidate in Sector 1 of the Transiting Exoplanet Survey Satellite (TESS), and then confirmed with precision ra…

astro-ph.EP2018★ 13 cited

A Large Ground-Based Observing Campaign of the Disintegrating Planet K2-22b

Knicole D. Colón, George Zhou, Avi Shporer +27

We present 45 ground-based photometric observations of the K2-22 system collected between December 2016 and May 2017, which we use to investigate the evolution of the transit of th…

astro-ph.EP2018★ 19 cited

K2-287b: an Eccentric Warm Saturn transiting a G-dwarf

Andrés Jordán, Rafael Brahm, Néstor Espinoza +23

We report the discovery of K2-287b, a Saturn mass planet orbiting a G-dwarf with a period of days. First uncovered as a candidate using K2 campaign 15 data, follow-u…

astro-ph.EP2018★ 50 cited

HATS-60b - HATS-69b: Ten Transiting Planets From HATSouth

J. D. Hartman, G. A. Bakos, D. Bayliss +27

We report the discovery of ten transiting extrasolar planets by the HATSouth survey. The planets range in mass from the Super-Neptune HATS-62b, with , to the S…

astro-ph.EP2018★ 164 cited

ACCESS: A featureless optical transmission spectrum for WASP-19b from Magellan/IMACS

Néstor Espinoza, Benjamin V. \ Rackham, Andrés Jordán +13

The short period (-day) transiting exoplanet WASP-19b is an exceptional target for transmission spectroscopy studies, due to its relatively large atmospheric scale-height ($\…

astro-ph.EP2018★ 20 cited

EPIC 201498078b: A low density Super Neptune on an eccentric orbit

Rafael Brahm, Nestor Espinoza, Markus Rabus +15

We report the discovery of EPIC 201498078b, which was first identified as a planetary candidate from Kepler K2 photometry of Campaign 14, and whose planetary nature and orbital par…

astro-ph.EP2018★ 7 cited

HATS-59b,c: A Transiting Hot Jupiter and a Cold Massive Giant Planet Around a Sun-Like Star

P. Sarkis, Th. Henning, J. D. Hartman +27

We report the first discovery of a multi-planetary system by the HATSouth network, HATS-59b,c, a planetary system with an inner transiting hot Jupiter and an outer cold massive gia…

astro-ph.IM2018★ 23 cited

Precision stellar radial velocity measurements with FIDEOS at the ESO 1-m telescope of La Silla

L. Vanzi, A. Zapata, M. Flores +10

We present results from the commissioning and early science programs of FIDEOS, the new high-resolution echelle spectrograph developed at the Centre of Astro Engineering of Pontifi…

astro-ph.EP2018★ 17 cited

HATS-39b, HATS-40b, HATS-41b, and HATS-42b: Three Inflated Hot Jupiters and a Super-Jupiter Transiting F Stars

J. Bento, J. D. Hartman, G. A. Bakos +22

We report the discovery of four transiting hot Jupiters from the HATSouth survey: HATS-39b, HATS-40b, HATS41b and HATS-42b. These discoveries add to the growing number of transitin…

astro-ph.EP2018★ 23 cited

Understanding Stellar Contamination in Exoplanet Transmission Spectra as an Essential Step in Small Planet Characterization

Dániel Apai, Benjamin V. Rackham, Mark S. Giampapa +18

Transmission spectroscopy during planetary transits is expected to be a major source of information on the atmospheres of small (approximately Earth-sized) exoplanets in the next t…

astro-ph.EP2018★ 122 cited

The Transiting Exoplanet Community Early Release Science Program for JWST

Jacob L. Bean, Kevin B. Stevenson, Natalie M. Batalha +99

The James Webb Space Telescope (JWST) presents the opportunity to transform our understanding of planets and the origins of life by revealing the atmospheric compositions, structur…

astro-ph.EP2018★ 30 cited

EPIC247098361b: a transiting warm Saturn on an eccentric days orbit around a star

Rafael Brahm, Néstor Espinoza, Andrés Jordán +12

We report the discovery of EPIC247098361b using photometric data of the Kepler K2 satellite coupled with ground-based spectroscopic observations. EPIC247098361b has a mass of M$_{P…

astro-ph.EP2018★ 18 cited

EPIC229426032 b and EPIC246067459 b: discovery and characterization of two new transiting hot Jupiters from K2

M. G. Soto, M. R. Díaz, J. S. Jenkins +17

We report the discovery of two hot Jupiters orbiting the stars EPIC229426032 and EPIC246067459. We used photometric data from Campaign 11 and 12 of the Kepler K2 Mission and radial…