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Search for Low-Mass Planets Around Late-M Dwarfs Using IRD

Published online by Cambridge University Press:  29 April 2014

Masashi Omiya ,
Bun'ei Sato ,
Hiroki Harakawa ,
Masayuki Kuzuhara ,
Teruyuki Hirano ,
Norio Narita  and
IRD team
Masashi Omiya
Affiliation:
Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan email: omiya.m@geo.titech.ac.jp
Bun'ei Sato
Affiliation:
Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan email: omiya.m@geo.titech.ac.jp
Hiroki Harakawa
Affiliation:
Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan email: omiya.m@geo.titech.ac.jp
Masayuki Kuzuhara
Affiliation:
The University of Tokyo, Tokyo 113-0033, Japan
Teruyuki Hirano
Affiliation:
The University of Tokyo, Tokyo 113-0033, Japan
Norio Narita
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
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Abstract

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We have a plan to conduct a Doppler planet search for low-mass planets around nearby middle-to-late M dwarfs using IRD. IRD is the near-infrared high-precision radial velocity instrument for the Subaru 8.2-m telescope. We expect to achieve the accuracy of the radial velocity measurements of 1 m/s using IRD with a frequency comb as a wavelengh calibrator. Thus, we would detect super-Earths in habitable zone and low-mass rocky planets in close-in orbits around late-M dwarfs. In this survey, we aim to understand and discuss statistical properties of low-mass planets around low-mass M dwarfs compared with those derived from theoretical simulations.

Keywords

stars: planetary systemsstars: low-massbrown dwarfstechniques: radial velocitiesinstrumentation: spectrographs
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S293: Formation, Detection, and Characterization of Extrasolar Habitable Planets , August 2012 , pp. 201 - 203
Copyright
Copyright © International Astronomical Union 2014 

References

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