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2009 年 3 月 1 日鹿児島大学. 皆既日食中の太陽近傍黄道光の観測. 石黒正晃(国立天文台) 共同研究者: 上野宗孝、猿楽祐樹、臼井文彦、 Hong Seung Soo 、 Pyo Jeonghyun 、 Yang Hongu. Poynting-Robertson 効果によるダストの寿命. Mann et al. A&A Rv, 13, 3, 159-228. 黄道光. b Pictoris (V=3.85 ). Kalas et al. 2005. Wyatt 2008. Chap 4. THE IPD CLOUD REVEALED TO AKARI.
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2009年3月1日鹿児島大学 皆既日食中の太陽近傍黄道光の観測 石黒正晃(国立天文台) 共同研究者: 上野宗孝、猿楽祐樹、臼井文彦、 Hong Seung Soo、Pyo Jeonghyun、Yang Hongu
Poynting-Robertson効果によるダストの寿命 Mann et al. A&A Rv, 13, 3, 159-228
黄道光 b Pictoris (V=3.85 )
Chap 4. THE IPD CLOUD REVEALED TO AKARI 1) AKARI MAPS OF ZE BRIGHTNESS AKARI L18W ZE map after bands being removed ; 0o.5 x 0o.5 resolution
The Sky Observed by AKARI S9W-band Leading direction Trailing direction
The Sky Observed by AKARI L18W-band Leading direction Trailing direction
3) SEASONAL VARIATION OF POLE BRIGHTNESS Causes: symmetry plane tilt Earth eccentricity off-centering of IPD cloud
明け方 真夜中 夕方 黄極(北) 黄道面 黄極(南) Intensity map of zodiacal light by WIZARD
F() x constant Scattering phase function of the interplanetary dust Hong (1985). I0 scattering angle: phase angle: F()I0
Venus i=3.4° =77° Mars i=1.9° =50° Jupiter i=1.3° =101° Saturn i=2.5° =114°
ST-7 + 8mm-fisheye ST-9 + 8mm-fisheye
3.16106 S10 1.00106 S10 3.16105 S10 1.00105 S10 3.16104 S10 1.00104 S10 3.16103 S10 1.00103 S10 Predicted Morphology of the Zodiacal Light on July 22 () - () Spatial distribution: Kelsall el al. (1998) Scattering phase function: Hong (1985)
Observation site: 135E, 28N • Predicted time for the total eclipse: 11:06:25-11:13:05 JST • Solar ecliptic longitude: =11925m30s • Solar elevation: 75
Available Instruments • CCD • SBIG ST-9 Nishi-Harima observatory • SBIG ST-7 2 Amateurs' privately-owned • Lens • Nikon 8mm fish-eye • Nikon 16mm fish-eye • Nikon 24mm wide-field … • Filter • Johnson/Kron-Cousins (B,V,Rc,Ic), ECAS (b-z)