Full rotationally phase-resolved visible reflectance spectroscopy of 3200 Phaethon

Katsuhito Ohtsuka, Takashi Ito, Daisuke Kinoshita, Shinsuke Abe, Kyosuke Sawai, Kazuhiro Funabashi, Ryo Kato, Seidai Miyasaka, Sunao Hasegawa, Tomoki Nakamura, Wen Ping Chen

研究成果: Article査読

抄録

We present time-series optical spectroscopic observations of 3200 Phaethon during its 2007 return, complemented with R-band photometry. The spectral gradient centered around 0.55 μm varies between −5.0 %/0.1 μm and 0.6 %/0.1μm, indicating a B- or C-type color. Moreover, rotational modulation of the spectral slope of this asteroid suggests its surface compositional inhomogeneity, particularly the existence of a C-type surface at a certain longitude on this asteroid.

本文言語English
論文番号104940
ジャーナルPlanetary and Space Science
191
DOI
出版ステータスPublished - 2020 10 15

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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