Articles by Howard Isaacson

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Howard Isaacson

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The star HIP 41378 potentially misaligned with its cohort of long-period planets

15 September 2025 by Salome Grouffal and others

Earth and Planetary Astrophysics

The Polar Orbit of TOI-2374 b, a Planet in the Neptunian Ridge

15 September 2025 by Samuel Yee and others

Earth and Planetary Astrophysics

TOI-1438: A rare system with two short-period sub-Neptunes and a tentative long-period Jupiter-like planet orbiting a K0V star

29 August 2025 by Carina Persson and others

Earth and Planetary Astrophysics

A Spectroscopic Search for Dormant Black Holes in Low-Metallicity Binaries

27 August 2025 by Pranav Nagarajan and others

Solar and Stellar Astrophysics, Astrophysics of Galaxies

The highest mass Kepler red giants -- II. Spectroscopic parameters, the amplitude-activity relation, and unexpected halo orbits

18 August 2025 by Courtney Crawford and others

Solar and Stellar Astrophysics, Astrophysics of Galaxies

HIP 15429: A newborn Be star on an eccentric binary orbit

8 August 2025 by Johanna Müller-Horn and others

Solar and Stellar Astrophysics

TOI-880 is an Aligned, Coplanar, Multi-planet System

22 July 2025 by Elina Zhang and others

Earth and Planetary Astrophysics

A Hot Jupiter with a Retrograde Orbit around a Sun-like Star and a Toy Model of Hot Jupiters in Wide Binary Star Systems

3 July 2025 by Steven Giacalone and others

Earth and Planetary Astrophysics

The TESS Grand Unified Hot Jupiter Survey. III. Thirty More Giant Planets

2 July 2025 by Samuel Yee and others

Earth and Planetary Astrophysics

Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. VI: Confirmation of a Long-Period Giant Planet Discovered with a Single TESS Transit

24 June 2025 by Zahra Essack and others

Earth and Planetary Astrophysics

The OATMEAL Survey. II. The 3D spin-orbit obliquity of an eccentric transiting brown dwarf in the Ruprecht 147 open cluster

23 June 2025 by Theron Carmichael and others

Earth and Planetary Astrophysics, Solar and Stellar Astrophysics

FUOr-Aur 0544+3330: A New YSO Outburst in the Outskirts of Auriga OB1, Viewed Face-On

16 May 2025 by Lynne Hillenbrand and others

Solar and Stellar Astrophysics, Earth and Planetary Astrophysics

Stellar Obliquity of the Ultra-Short-Period Planet System HD 93963

16 May 2025 by Huan-Yu Teng and others

Earth and Planetary Astrophysics

The True Stellar Obliquity of a Sub-Saturn Planet from the Tierras Observatory and KPF

6 May 2025 by Patrick Tamburo and others

Earth and Planetary Astrophysics

K-dwarf Radius Inflation and a 10-Gyr Spin-down Clock Unveiled through Asteroseismology of HD 219134 from the Keck Planet Finder

28 March 2025 by Yaguang Li and others

Solar and Stellar Astrophysics, Earth and Planetary Astrophysics

Giant Outer Transiting Exoplanet Mass (GOT `EM) Survey. V. Two Giant Planets in Kepler-511 but Only One Ran Away

19 March 2025 by Yayaati Chachan and others

Earth and Planetary Astrophysics

TOI-6324b: An Earth-Mass Ultra-Short-Period Planet Transiting a Nearby M Dwarf

27 February 2025 by Rena Lee and others at

Caltech

Earth and Planetary Astrophysics

Precise and Accurate Mass and Radius Measurements of Fifteen Galactic Red Giants in Detached Eclipsing Binaries

19 February 2025 by D. Rowan and others

Solar and Stellar Astrophysics

Planet Masses, Radii, and Orbits from NASA's K2 Mission

6 February 2025 by Andrew Howard and others

Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics

A Pair of Dynamically Interacting Sub-Neptunes Around TOI-6054

15 January 2025 by Maxwell Kroft and others

Earth and Planetary Astrophysics

Discovery of a Jupiter Analog Misaligned to the Inner Planetary System in HD 73344

11 January 2025 by Jingwen Zhang and others

Earth and Planetary Astrophysics, Solar and Stellar Astrophysics

The TESS-Keck Survey XXIV: Outer Giants may be More Prevalent in the Presence of Inner Small Planets

10 January 2025 by Judah Van Zandt and others

Earth and Planetary Astrophysics

An Obliquity Measurement of the Hot Neptune TOI-1694b

10 December 2024 by Luke Handley and others

Earth and Planetary Astrophysics

An Obliquity Measurement of the Hot Neptune TOI-1694b

10 December 2024 by Luke Handley and others at

Caltech

Earth and Planetary Astrophysics

OrCAS: Origins, Compositions, and Atmospheres of Sub-neptunes. I. Survey Definition

25 November 2024 by Ian J. M. Crossfield and others

Earth and Planetary Astrophysics

HD 119130 b is not an "ultra-dense" sub-Neptune

10 November 2024 by Joseph M. Akana Murphy and others

Earth and Planetary Astrophysics

The OATMEAL Survey. I. Low Stellar Obliquity in the Transiting Brown Dwarf System GPX-1

18 October 2024 by Steven Giacalone and others

Earth and Planetary Astrophysics, Solar and Stellar Astrophysics

Ages of Stars and Planets in the Kepler Field Younger Than Four Billion Years

8 October 2024 by Luke Bouma and others

Solar and Stellar Astrophysics, Earth and Planetary Astrophysics

The Compositions of Rocky Planets in Close-in Orbits Tend to be Earth-Like

30 September 2024 by Casey Brinkman and others

Earth and Planetary Astrophysics, Solar and Stellar Astrophysics

The HD 191939 Exoplanet System is Well-Aligned and Flat

10 September 2024 by Jack Lubin and others

Earth and Planetary Astrophysics

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