Showing 2022 · astro-ph.EPShow all

13 papers · 2 filters

astro-ph.EP2022★ 3 cited

Wide-scale Monitoring of Satellite Lifetimes: Pitfalls and a Benchmark Dataset

David P. Shorten, Yang Yang, John Maclean +1

An important task within the broader goal of Space Situational Awareness (SSA) is to observe changes in the orbits of satellites, where the data spans thousands of objects over lon…

astro-ph.EP2022★ 10 cited

Spinning up a Daze: TESS Uncovers a Hot Jupiter orbiting the Rapid-Rotator TOI-778

Jake Clark, Brett Addison, Jack Okumura +68

NASA's Transiting Exoplanet Survey Satellite (TESS) mission, has been uncovering a growing number of exoplanets orbiting nearby, bright stars. Most exoplanets that have been discov…

astro-ph.EP2022★ 7 cited

Transit Depth Variations Reveal TOI-216 b to be a Super-Puff

Brendan J. McKee, Benjamin T. Montet

The planets of the TOI-216 system have been previously observed to exhibit large transit timing variations (TTVs), which enabled precise mass characterization of both transiting pl…

astro-ph.EP2022★ 3 cited

A sub-Neptune transiting the young field star HD 18599 at 40 pc

Jerome P. de Leon, John H. Livingston, James S. Jenkins +67

Transiting exoplanets orbiting young nearby stars are ideal laboratories for testing theories of planet formation and evolution. However, to date only a handful of stars with age <…

astro-ph.EP2022★ 13 cited

A dense mini-Neptune orbiting the bright young star HD 18599

Jose I. Vines, James S. Jenkins, Zaira Berdiñas +23

Very little is known about the young planet population because the detection of small planets orbiting young stars is obscured by the effects of stellar activity and fast rotation…

astro-ph.EP2022★ 103 cited

3-D selection of 167 sub-stellar companions to nearby stars

Fabo Feng, R. Paul Butler, Steven S. Vogt +20

We analyze 5108 AFGKM stars with at least five high precision radial velocity points as well as Gaia and Hipparcos astrometric data utilizing a novel pipeline developed in previous…

astro-ph.EP2022★ 19 cited

System Architecture and Planetary Obliquity: Implications for Long-Term Habitability

Pam Vervoort, Jonathan Horner, Stephen R. Kane +2

In the search for life beyond our Solar system, attention should be focused on those planets that have the potential to maintain habitable conditions over the prolonged periods of…

astro-ph.EP2022★ 25 cited

The TESS Grand Unified Hot Jupiter Survey. I. Ten TESS Planets

Samuel W. Yee, Joshua N. Winn, Joel D. Hartman +69

We report the discovery of ten short-period giant planets (TOI-2193A b, TOI-2207 b, TOI-2236 b, TOI-2421 b, TOI-2567 b, TOI-2570 b, TOI-3331 b, TOI-3540A b, TOI-3693 b, TOI-4137 b)…

astro-ph.EP2022★ 27 cited

Another Shipment of Six Short-Period Giant Planets from TESS

Joseph E. Rodriguez, Samuel N. Quinn, Andrew Vanderburg +119

We present the discovery and characterization of six short-period, transiting giant planets from NASA's Transiting Exoplanet Survey Satellite (TESS) -- TOI-1811 (TIC 376524552), TO…

astro-ph.EP2022★ 1 cited

Near infrared and optical emission of WASP-5 b

G. Kovacs, I. Dekany, B. Karamiqucham +4

CONTEXT: Thermal emission from extrasolar planets makes it possible to study important physical processes in their atmospheres and derive more precise orbital elements. AIMS: By us…

astro-ph.EP2022★ 9 cited

HD 83443c: A highly eccentric giant planet on a 22-year orbit

Adriana Errico, Robert A. Wittenmyer, Jonathan Horner +19

We report the discovery of a highly eccentric long-period Jovian planet orbiting the hot-Jupiter host HD\,83443. By combining radial velocity data from four instruments (AAT/UCLES,…

astro-ph.EP2022★ 6 cited

ALMA's view of the M-dwarf GSC 07396-00759's edge-on debris disc: AU Mic's coeval twin

Patrick F. Cronin-Coltsmann, Grant M. Kennedy, Christian Adam +7

We present new ALMA Band 7 observations of the edge-on debris disc around the M1V star GSC 07396-00759. At ~20 Myr old and in the beta Pictoris Moving Group along with AU Mic, GSC…

astro-ph.EP2022★ 14 cited

FIESTA II. Disentangling stellar and instrumental variability from exoplanetary Doppler shifts in Fourier domain

Jinglin Zhao, Eric B. Ford, Chris G. Tinney

The radial velocity (RV) detection of exoplanets is challenged by stellar spectroscopic variability that can mimic the presence of planets and by instrumental instability that can…