activity
20092022
most citedThe Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III

2.5k citations · 5.8k across the 19 of their papers we have counts for

collaborators

18 papers

astro-ph.EP2022★ 27 cited

A low-eccentricity migration pathway for a 13-h-period Earth analogue in a four-planet system

Luisa Maria Serrano, Davide Gandolfi, Alexander J. Mustill +47

It is commonly accepted that exoplanets with orbital periods shorter than 1 day, also known as ultra-short period (USP) planets, formed further out within their natal protoplanetar…

astro-ph.EP2022★ 20 cited

TOI-1670 b and c: An Inner Sub-Neptune with an Outer Warm Jupiter Unlikely to have Originated from High-Eccentricity Migration

Quang H. Tran, Brendan P. Bowler, Michael Endl +38

We report the discovery of two transiting planets around the bright ( mag) main sequence F7 star TOI-1670 by the Transiting Exoplanet Survey Satellite. TOI-1670 b is a sub-N…

astro-ph.EP2022★ 23 cited

A Radial Velocity Study of the Planetary System of Pi Mensae: Improved Planet Parameters for PI Mensae c and a Third Planet on a 125-d Orbit

Artie P. Hatzes, Davide Gandolfi, Judith Korth +33

Pi Men hosts a transiting planet detected by the TESS space mission and an outer planet in a 5.7-yr orbit discovered by RV surveys. We studied this system using new radial velocity…

astro-ph.EP2020★ 39 cited

The GAPS Programme at TNG XXVIII -- A pair of hot-Neptunes orbiting the young star TOI-942

Ilaria Carleo, Silvano Desidera, Domenico Nardiello +48

Both young stars and multi-planet systems are primary objects that allow us to study, understand and constrain planetary formation and evolution theories. We validate the physical…

astro-ph.EP2020★ 9 cited

The multi-planet system TOI-421 -- A warm Neptune and a super puffy mini-Neptune transiting a G9 V star in a visual binary

Ilaria Carleo, Davide Gandolfi, Oscar Barragán +110

We report the discovery of a warm Neptune and a hot sub-Neptune transiting TOI-421 (BD-14 1137, TIC 94986319), a bright (V=9.9) G9 dwarf star in a visual binary system observed by…

astro-ph.EP2020★ 21 cited

Three planets transiting the evolved star EPIC 249893012: a hot 8.8-M super-Earth and two warm 14.7 and 10.2-M sub-Neptunes

D. Hidalgo, E. Pallé, R. Alonso +57

We report the discovery of a new planetary system with three transiting planets, one super-Earth and two sub-Neptunes, that orbit EPIC\,249893012, a G8\,IV-V evolved star ($M_\star…

astro-ph.EP2019★ 30 cited

TOI-132 b: A short-period planet in the Neptune desert transiting a G-type star

Matías R. Díaz, James S. Jenkins, Davide Gandolfi +45

The Neptune desert is a feature seen in the radius-mass-period plane, whereby a notable dearth of short period, Neptune-like planets is found. Here we report the {\it TESS} discove…

astro-ph.EP2018★ 126 cited

TESS's first planet: a super-Earth transiting the naked-eye star Mensae

D. Gandolfi, O. Barragan, J. Livingston +29

We report on the confirmation and mass determination of Pi Men c, the first transiting planet discovered by NASA's TESS space mission. Pi Men is a naked-eye (V=5.65 mag), quiet G0…

astro-ph.EP2018★ 56 cited

Super-Earth of 8 Mearth in a 2.2-day orbit around the K5V star K2-216

C. M. Persson, M. Fridlund, O. Barragán +35

The KESPRINT consortium identified K2-216 as a planetary candidate host star in the K2 space mission Campaign 8 field with a transiting super-Earth. The planet has recently been va…

astro-ph.SR2017★ 78 cited

HADES RV Programme with HARPS-N at TNG. VII. Rotation and activity of M-Dwarfs from time-series high-resolution spectroscopy of chromospheric indicators

A. Suárez Mascareño, R. Rebolo, J. I. González Hernández +28

We aim to investigate the presence of signatures of magnetic cycles and rotation on a sample of 71 early M-dwarfs from the HADES RV programme using high-resolution time-series spec…

astro-ph.EP2017★ 13 cited

The RoPES project with HARPS and HARPS-N. I. A system of super-Earths orbiting the moderately active K-dwarf HD 176986

A. Suárez Mascareño, J. I. González Hernández, R. Rebolo +12

We report the discovery of a system of two super-Earths orbiting the moderately active K-dwarf HD 176986. This work is part of the RoPES RV program of G- and K-type stars, which co…

astro-ph.EP2015★ 205 cited

Rotation periods of late-type dwarf stars from time-series high-resolution spectroscopy of chromospheric indicators

A. Suárez Mascareño, R. Rebolo, J. I. González Hernández +1

We determine rotation periods of a sample of 48 late F-type to mid-M dwarf stars using time-series high-resolution spectroscopy of the Ca II H&K and H-alpha chromospheric activity…

astro-ph.SR2015★ 76 cited

The GAPS Programme with HARPS-N at TNG. VII. Putting exoplanets in the stellar context: magnetic activity and asteroseismology of Bootis A

F. Borsa, G. Scandariato, M. Rainer +34

Aims. We observed the Boo system with the HARPS-N spectrograph to test a new observational strategy aimed at jointly studying asteroseismology, the planetary orbit, and star-pl…

astro-ph.IM2015★ 2.5k cited

The Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III

Shadab Alam, Franco D. Albareti, Carlos Allende Prieto +271

The third generation of the Sloan Digital Sky Survey (SDSS-III) took data from 2008 to 2014 using the original SDSS wide-field imager, the original and an upgraded multi-object fib…

astro-ph.IM2013★ 1k cited

The Tenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-III Apache Point Observatory Galactic Evolution Experiment

Christopher P. Ahn, Rachael Alexandroff, Carlos Allende Prieto +232

The Sloan Digital Sky Survey (SDSS) has been in operation since 2000 April. This paper presents the tenth public data release (DR10) from its current incarnation, SDSS-III. This da…

astro-ph.SR2012★ 17 cited

Very Low-mass Stellar and Substellar Companions to Solar-like Stars from MARVELS II: A Short-period Companion Orbiting an F Star with Evidence of a Stellar Tertiary And Significant Mutual Inclination

Scott W. Fleming, Jian Ge, Rory Barnes +59

We report the discovery via radial velocity of a short-period (P = 2.430420 \pm 0.000006 days) companion to the F-type main sequence star TYC 2930-00872-1. A long-term trend in the…

astro-ph.IM2011★ 1.5k cited

The Eighth Data Release of the Sloan Digital Sky Survey: First Data from SDSS-III

III collaboration, Hiroaki Aihara, Carlos Allende Prieto +178

The Sloan Digital Sky Survey (SDSS) started a new phase in August 2008, with new instrumentation and new surveys focused on Galactic structure and chemical evolution, measurements…

astro-ph.EP2009★ 38 cited

A substellar component orbiting the F-star 30 Ari B

E. W. Guenther, M. Hartmann, M. Esposito +3

CONTEXT: Most current radial velocity planet search programs have concentrated on stars of one solar mass. Our knowledge on the frequency of giant planets and brown dwarf companion…