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Haiyang S. Wang


My name is Haiyang Wang. I am a postdoctoral researcher in Exoplanets and Habitability Group at ETH Zurich and also a member of NCCR PlanetS by mainly working on the characterization of small (or rocky) extrasolar planets.

My research domain is in planetary science. I am interested in a broad range of topics such as how the solar system and other planetary systems formed and how their various internal bodies are connected in terms of both physics and chemistry. I have also been developing models (e.g. the volatility trend and the ExoInt code ) to characterize the compositional similarities and differences between stars and planets and to constrain the interior composition and structure of exoplanets. My ultimate goal is to understand habitable worlds including and beyond our own and hence advance Earthlings' future on the "Pale Blue Dot" and elsewhere in the Universe.

In brief, I identify myself:

An exoplanetologist passionate about interdisciplinary studies pertaining to planets and life

With demonstrated research experience in multi-disciplinaries: planetary astrophysics, cosmochemistry, and geophysics

An explorer of chemical fingerprints of habitable worlds within and beyond our Solar System

With expertise in theoretically modeling the composition, interior and habitability of rocky exoplanets

Career/Life News

April 2022

The paper "Detailed chemical compositions of planet-hosting stars: II. Exploration of the interiors of terrestrial-type exoplanets" has been accepted by MNRAS for publication. The accepted manuscript is available on arXiv:2204.09558 .

January 2022

The paper entitled "A model Earth-sized planet in the habitable zone of alpha Centauri A/B" has now been accepted to ApJ, and its accepted version is available on arXiv:2110.12565 .

December 2021

I gave a talk on "A model Earth-sized planet in the habitable zone of alpha Centauri A/B" for the Virtual (NCCR) PlanetS Researcher Seminar, on 2 December 2021.

October 2021

I submitted a paper, entitled "A model Earth-sized planet in the habitable zone of alpha Centauri A/B", to an AAS journal, and its preprint is available on arXiv:2110.12565 .

The second paper subtitled "Exploration of the interiors of hypothetical exo-Earths", under the series "Detailed chemical compositions of planet hosting stars", has been submitted to MNRAS for review. Based on the paper, I also gaven a talk for the Star-Planet Connection Workshop by ESO, 25-28 October 2021, with the recording available here .

January 2021

On the 43 COSPAR Scientific Assembly (28 Jan - 4 Feb, 2021), I presented "From accurate stellar abundances to exoplanet structures and compositions".

October 2020

My paper, entitled Europium as a lodestar: diagnosis of radiogenic heat production in terrestrial exoplanets , is in press for A&A.

July 2020

On 30th of this month, I talked about a step-by-step approach to constrain exoplant interiors from detailed host stellar abundances in Exoplanets III (Online), Heidelberg.

May 2020

My coauthored paper, entitled Detailed chemical compositions of planet hosting stars: I. Exploration of possible planet signatures , has been accepted for publication in MNRAS.

October 2019

From October 2019 onwards, I have been working as a postdoctoral researcher in the Exoplanets & Habitability Group at ETH Zurich, with a joint support by the NCCR PlanetS funded by the Swiss National Science Foundation. Please say 'hi' to me when you're travelling around in Zurich/Bern.

April 2019

My lovely daughter - Matilda - was born on the ANZAC Day (25 April 2019) in Australia. She is the most rewarding gift of my life so far!

December 2018

I received my PhD in Astronomy & Astrophysics at the Australian National University. Here is the link to my PhD thesis (open-access).

February 2014

I concluded my career as an Associated Geoscientist at Baker Hughes Asia Pacific Ltd., to embark on a new adventure as a PhD scholar in Astronomy (Planetary Science) by receiving a prestigious Australian Prime Minister's Endeavour Postgradute Fellowship & Award (one of the top 20, out of ~ 600 awardee, for the whole Endeavour program 2014).