Johanna Vos

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Assistant Professor and Royal Society - SFI University Research Fellow

Trinity College Dublin

Ireland

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Dr. Johanna Vos is an Assistant Professor and Royal Society - SFI University Research Fellow at Trinity College Dublin, Ireland. Her research focuses on exoplanetary atmospheres, brown dwarfs, and the detection of exomoons and exorings, as evidenced by her recent publications. Notable works include studies on temperature variations and atmospheric properties of sub-stellar objects using data from JWST, HST, and VLT. Dr. Vos is engaged in exploring the characteristics of cold worlds and their variability mechanisms.

Recent Grants

Grant: Open

Royal Society - SFI University Research Fellowship

Open Date: 2023-05-01

Close Date: 2028-04-01

Grant: Open

Royal Society University Research Fellowship Enhanced Research Expenses

Open Date: 2023-05-01

Close Date: 2028-04-01

Grant: Close

Hubble Space Telescope General Observer Grant

Open Date: 2022-01-01

Close Date:

Grant: Close

Keck Data Award

Open Date: 2022-01-01

Close Date:

Grant: Close

Hubble Space Telescope General Observer Grant

Open Date: 2020-01-01

Close Date:

Johanna Vos

Research Interests

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About

Recent Grants

Articles (25)

The JWST weather report: Retrieving temperature variations, auroral heating, and static cloud coverage on SIMP-0136

The Diversity of Cold Worlds: A Blended-light Binary Straddling the T/Y Transition in Brown Dwarfs

The JWST Weather Report from the Isolated Exoplanet Analog SIMP 0136+0933: Pressure-dependent Variability Driven by Multiple Mechanisms

The JWST weather report from the nearest brown dwarfs II: consistent variability mechanisms over 7 months revealed by 1–14 μm NIRSpec + MIRI monitoring of WISE 1049AB

High-resolution Spectroscopic Reconnaissance of a Temperate Sub-Neptune

An Informed and Systematic Method to Identify Variable Mid-L Dwarfs

Multiple Patchy Cloud Layers in the Planetary-mass Object SIMP 0136+0933

Retrieving Young Cloudy L Dwarfs: A Nearby Planetary-mass Companion BD+60 1417B and its Isolated Red Twin W0047

Global weather map reveals persistent top-of-atmosphere features on the nearest brown dwarfs

Discovery of the Remarkably Red L/T Transition Object VHS J183135.58-551355.9

Exomoons and Exorings with the Habitable Worlds Observatory. I. On the Detection of Earth–Moon Analog Shadows and Eclipses

Occurrence Rates of Exosatellites Orbiting 3–30 M Jup Hosts from 44 Spitzer Light Curves

The JWST weather report from the nearest brown dwarfs I: multiperiod JWST NIRSpec + MIRI monitoring of the benchmark binary brown dwarf WISE 1049AB

Methane emission from a cool brown dwarf

Retrieved atmospheric properties of the sub-stellar object VHS 1256 b with HST, VLT, and JWST spectra

Examining the Rotation Period Distribution of the 40 Myr Tucana–Horologium Association with TESS

Patchy Forsterite Clouds in the Atmospheres of Two Highly Variable Exoplanet Analogs

Time-resolved Optical Polarization Monitoring of the Most Variable Brown Dwarf

Ultracool Dwarfs Observed with the Spitzer Infrared Spectrograph: Equatorial Latitudes in L Dwarf Atmospheres Are Cloudier

An Atmospheric Retrieval of the Brown Dwarf Gliese 229B

The Perkins INfrared Exosatellite Survey (PINES). II. Transit Candidates and Implications for Planet Occurrence around L and T Dwarfs

Informed Systematic Method to Identify Variable Mid- and Late-T Dwarfs

Disentangling the Signatures of Blended-light Atmospheres in L/T Transition Brown Dwarfs

Top-of-the-atmosphere and Vertical Cloud Structure of a Fast-rotating Late T Dwarf

On the Unusual Variability of 2MASS J06195260–2903592: A Long-lived Disk around a Young Ultracool Dwarf

Collaborators (16)

Trent Dupuy

Stanimir Metchev

Eileen Gonzales

Tyler Robinson

Kelle Cruz

Michael C Liu

Jacob Lustig-Yaeger

Philip Muirhead

Theodora Karalidi

Ben Burningham

Christopher Theissen

Daniel Apai

Savvas Constantinou

Eric Agol

Daniella Bardalez Gagliuffi

Diana Valencia

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