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Featured researches published by H. Okuda.


Icarus | 1980

Infrared polarization of Venus

S. Sato; K. Kawara; Y. Kobayashi; H. Okuda; K. Noguchi; Tadashi Mukai; Sonoyo Mukai

Abstract Infrared polarization of Venus was measured at several phase angles during 1977, 1978, and 1979. Observations revealed a significant degree of polarization at wavelengths of both 3.6 and 4.8 μm in contrast with little or no polarization in wavelengths shorter than 3 μm. Although the sulfuric acid cloud model seems a likely explanation of our measurements, we found a small discrepancy between these results and the calculations by S. Mukai and T. Mukai (1979, Icarus 38 , 90–99).


Publications of the Astronomical Society of Japan | 1977

Multi-Band Photometry of Nova Cygni 1975

K. Kawara; Toshinori Maihara; Kou Noguchi; N. Oda; H. Okuda; S. Sato; M. Oishi; T. Iijima

Infrared and optical photometries of Nova Cygni 1975 were carried out from 1975 September 2, immediately after the light maximum, until November 10, the 69th day after the maximum.


Nature | 1977

2.4-µm mapping of the galactic central region

H. Okuda; Toshinori Maihara; N. Oda; Taketoshi Sugiyama


Nature | 1976

Variations of the infrared polarisation of VY Canis Majoris

T. Maihara; K. Noguchi; M. Oishi; H. Okuda; Shuji Sato


Nature | 1980

No IR burst from the X-ray rapid burster MXB1730|[ndash]|335

Shuji Sato; Kimiaki Kawara; Y. Kobayashi; T. Maihara; H. Okuda; J. Jugaku


Astronomy and Astrophysics | 1981

Observations of diffuse far infrared emission and distribution of interstellar dust

Toshinori Maihara; N. Oda; Hiroshi Shibai; H. Okuda


Archive | 1977

Infrared polarizations of Venus

Shin-Ichi Sato; Kimiaki Kawara; Y. Kobayashi; Kaoru Noguchi; Toshinori Maihara; H. Okuda


Nature | 1977

2.4-micron mapping of the galactic central region

H. Okuda; Toshinori Maihara; N. Oda; T. Sugiyama


Publications of the Astronomical Society of Japan | 1970

INFRARED POLARIZATION OF THE PECULIAR M-TYPE VARIABLE VY CANIS MAJORIS.

J. Hashimoto; Toshinori Maihara; H. Okuda; Shuji Sato


Astronomy and Astrophysics | 1984

The distribution of near-infrared obscuration in the innermost region of the Galaxy

N. Hiromoto; Toshinori Maihara; K. Mizutani; Hideki Takami; Hiroshi Shibai; H. Okuda

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Kouji Kobayashi

Yokohama City University Medical Center

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