Gas and Dust Structures of the Protoplanetary Disk around HD 142527

被引：0

作者：

Momose, Munetake ^{[1
]}

Muto, Takayuki ^{[2
]}

Hanawa, Tomoyuki ^{[3
]}

Fukagawa, Misato ^{[4
]}

Tsukagoshi, Takashi ^{[1
]}

Saigo, Kazuya ^{[5
]}

Kataoka, Akimasa ^{[6
]}

Nomura, Hideko ^{[6
]}

Takeuchi, Taku ^{[6
]}

Akiyama, Eiji ^{[5
]}

Ohashi, Nagayoshi ^{[7
]}

Fujiwara, Hideaki ^{[7
]}

Shibai, Hiroshi ^{[4
]}

Kitamura, Yoshimi ^{[8
]}

Inutsuka, Shu-ichiro ^{[9
]}

Kobayashi, Hiroshi ^{[9
]}

Honda, Mitsuhiko ^{[10
]}

Aso, Yusuke ^{[11
]}

Takahashil, Sanemichi Z. ^{[12
]}

机构：

[1] Ibaraki Univ, Mito, Ibaraki, Japan

[2] Kogakuin Univ, Shinjuku Ku, Tokyo, Japan

[3] Chiba Univ, Ihage Ku, Chiba, Japan

[4] Osaka Univ, Toyonaka, Osaka 560, Japan

[5] Natl Inst Nat Sci, Natl Astron Observ Japan, Mitaka, Tokyo, Japan

[6] Tokyo Inst Technol, Meguro Ku, Tokyo 152, Japan

[7] Subaru Telescope, Hilo, HI 96720 USA

[8] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2298510, Japan

[9] Nagoya Univ, Nagoya, Aichi 4648601, Japan

[10] Kanagawa Univ, Hiratsuka, Kanagawa, Japan

[11] Univ Tokyo, Bunkyo Ku, Tokyo 113, Japan

[12] Kyoto Univ, Sakyo Ku, Kyoto, Japan

来源：

REVOLUTION IN ASTRONOMY WITH ALMA: THE THIRD YEAR | 2015年 / 499卷

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

HD142527 is a Herbig Fe star accompanied by a disk with ring-like structure. We derive the distributions of dust and gas separately by model fitting and discuss the spatial variation of gas-to-dust mass ratio in the disk. The radial distribution of dust is well approximated by a Gaussian function, while the gas is roughly followed by a power-law distribution between 110 and 400 AU in radius, which is significantly more extended than dust. G/d may reach the order of unity at the northern peak.

引用

页码：277 / 278

页数：2

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