Dec 15 – 17, 2025 Conference
Institut d'Astrophysique de Paris
Europe/Paris timezone

Free-floating planets with DREAMS, K-ROAM and ET using gravitational microlensing

Dec 15, 2025, 12:20 PM
20m
Amphitheater Henri Mineur (Institut d'Astrophysique de Paris)

Amphitheater Henri Mineur

Institut d'Astrophysique de Paris

98 bis boulevard Arago 75014 Paris FRANCE
Contributed talk In-person Microlensing

Speaker

Shude Mao

Description

The mass function of free-floating planets (FFPs) could key insights into the planet formation and dynamics. Microlensing provides a powerful technique to probe this population, especially at the low-mass end. We will describe preliminary search results of FFPs using the existing KMTNet survey data (KMTNet Rogue Objects Astrophysical Monitoring, K-ROAM), and the ongoing DECam Rogue Earths And Mars Survey (DREAMS) using ~70 nights on the Blanco telescope in Chile.

We will also discuss future prospects to determine the FFP mass function using the Earth Two satellite mission (currently scheduled for launch in October 2028).

Primary author

Co-authors

Dr Hongjing Yang (Westlake University) Ms Qiyue Qian (Tsinghua University) Dr Weicheng Zang (Westlake University) Ms Yucheng Tang (Westlake University) Ms Zhixing Li (Tsinghua University)

Presentation materials

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