Astrometry of Galactic Star-Forming Region Sharpless 269 with VERA: Parallax Measurements and Constraint on Outer Rotation Curve

Honma Mareki; Bushimata Takeshi; Choi Yoon Kyung; Hirota Tomoya; Imai Hiroshi; Iwadate Kenzaburo; Jike Takaaki; Kameya Osamu; Kamohara Ryuichi; Kan-ya Yukitoshi; Kawaguchi Noriyuki; Kijima Masachika; Kobayashi Hideyuki; Kuji Seisuke; Kurayama Tomoharu; Manabe Seiji; Miyaji Takeshi; Nagayama Takumi; Nakagawa Akiharu; Oh Chung Sik; Omodaka Toshihiro; Oyama Tomoaki; Sakai Satoshi; Sato Katsuhisa; Sasao Tetsuo; Shibata Katsunori M.; Shintani Motonobu; Suda Hiroshi; Tamura Yoshiaki; Tsushima Miyuki; Yamashita Kazuyoshi

首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >Astrometry of Galactic Star-Forming Region Sharpless 269 with VERA: Parallax Measurements and Constraint on Outer Rotation Curve

【24h】

Astrometry of Galactic Star-Forming Region Sharpless 269 with VERA: Parallax Measurements and Constraint on Outer Rotation Curve

机译：带有VERA的银河恒星形成区域Sharpless 269的星象学：视差测量和外旋转曲线的约束

获取原文

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相似文献
相关主题

摘要

Wehaveperformedhigh-precisionastrometryofH$$_2$$OmasersourcesintheGalacticstar-formingregionSharpless269(S269)withVERA.Wesuccessfullydetectedatrigonometricparallaxof$$189pm8mu$$as,correspondingtoasourcedistanceof$$5.28^{+0.24}_{-0.22}$$kpc.Thisisthesmallestparallaxevermeasured,andthefirstonedetectedbeyond5kpc.ThesourcedistanceaswellasthepropermotionswereusedtoconstraintheouterrotationcurveoftheGalaxy,demonstratingthatthedifferenceofrotationvelocitiesattheSunandatS269(whichis13.1kpcawayfromtheGalaxya€?scenter)islessthan3%.Thisgivesthestrongestconstraintontheflatnessoftheouterrotationcurve,andprovidesadirectconfirmationoftheexistenceofalargeamountofdarkmatterintheGalaxya€?souterdisk.

机译：Wehaveperformedhigh-precisionastrometryofH $$ _ 2 $$ OmasersourcesintheGalacticstar-formingregionSharpless269（S269）withVERA.Wesuccessfullydetectedatrigonometricparallaxof $$ 189pm8mu $$如，correspondingtoasourcedistanceof $$ 5.28 ^ {+ 0.24} _ { - 0.22} $$ kpc.Thisisthesmallestparallaxevermeasured，andthefirstonedetectedbeyond5kpc.ThesourcedistanceaswellasthepropermotionswereusedtoconstraintheouterrotationcurveoftheGalaxy，demonstratingthatthedifferenceofrotationvelocitiesattheSunandatS269（whichis13距银河系中心的.kpc距离小于3％。这给出了最强烈的约束，限制了外旋曲线的平坦度，并直接确认了银河系外盘中是否存在大量的暗物质。

著录项

来源
《PASJ: Publications of the Astronomical Society of Japan》 |2007年第5期|共页
作者
Honma Mareki; Bushimata Takeshi; Choi Yoon Kyung; Hirota Tomoya; Imai Hiroshi; Iwadate Kenzaburo; Jike Takaaki; Kameya Osamu; Kamohara Ryuichi; Kan-ya Yukitoshi; Kawaguchi Noriyuki; Kijima Masachika; Kobayashi Hideyuki; Kuji Seisuke; Kurayama Tomoharu; Manabe Seiji; Miyaji Takeshi; Nagayama Takumi; Nakagawa Akiharu; Oh Chung Sik; Omodaka Toshihiro; Oyama Tomoaki; Sakai Satoshi; Sato Katsuhisa; Sasao Tetsuo; Shibata Katsunori M.; Shintani Motonobu; Suda Hiroshi; Tamura Yoshiaki; Tsushima Miyuki; Yamashita Kazuyoshi;
展开▼
作者单位

展开▼
收录信息
原文格式 PDF
正文语种
中图分类天文学;
关键词

相似文献

外文文献
专利

1. Astrometry of galactic star-forming region sharpless 269 with VERA: Parallax measurements and constraint on outer rotation curve [J] . Honma M, Bushimata T, Choi YK, PASJ: Publications of the Astronomical Society of Japan . 2007,第5期

机译：带有VERA的星系恒星形成区域无锐269的星象学：视差测量和外旋转曲线的约束
2. Outer rotation curve of the Galaxy with VERA. II. Annual parallax and proper motion of the star-forming region IRAS21379+5106 [J] . Nakanishi Hiroyuki, Sakai Nobuyuki, Kurayama Tomoharu, PASJ: Publications of the Astronomical Society of Japan . 2015,第4期

机译：带VERA的Galaxy的外旋转曲线。二。恒星形成区域IRAS21379 + 5106的年度视差和适当运动
3. Outer rotation curve of the Galaxy with VERA. II. Annual parallax and proper motion of the star-forming region IRASa€‰21379+5106 [J] . Nakanishi Hiroyuki, Sakai Nobuyuki, Kurayama Tomoharu, PASJ: Publications of the Astronomical Society of Japan . 2015,第4期

机译：带VERA的Galaxy的外旋转曲线。二。恒星形成区IRASa的年视差和适当运动21379 + 5106
4. Astrometry of Galactic Star-Forming Regions ON1 and ON2N with VERA [C] . Takumi Nagayama International Astronomical Union . 2012

机译：半偶联星形区域ON1和ON2N与VERA的星形测量
5. Dark matter or new physics: A direct comparison among competing explanations of galactic rotation curves. [D] . Coy, Jennifer J. 2006

机译：暗物质或新物理学：星系自转曲线的竞争解释之间的直接比较。
6. 2D Rotation-Angle Measurement Utilizing Least Iterative Region Segmentation [O] . Chenguang Cao, Qi Ouyang 2019

机译：利用最小迭代区域分割的二维旋转角测量
7. Astrometry of Galactic Star Forming Region Sharpless 269 with VERA : Parallax Measurements and Constraint on Outer Rotation Curve [O] . Honma, Mareki, Bushimata, Takeshi, Choi, Yoon Kyung, 2007

机译：太阳星形成区域的天体测量sharp58 269与VERa：外旋转曲线的视差测量与约束
8. Improved Estimates of Galactic H II Region Emission Measures and Filling Factors: Low-Frequency VLA Observations Near Sharpless 53. [R] . Kassim, N. E., Weiler, K. W., Erickson, W. C., 1989

机译：改进的银河H II区域排放测量和填充因子的估计：sharpless 53附近的低频VLa观测。

Astrometry of Galactic Star-Forming Region Sharpless 269 with VERA: Parallax Measurements and Constraint on Outer Rotation Curve

摘要

著录项

相似文献

相关主题

期刊订阅