Observational Study on the Structure of Galaxies and the Galaxy at the Mauna Kea Observatory

莫纳克亚天文台对星系和星系结构的观测研究

• 批准号: 62043021
• 负责人: ISHIDA Keiichi
• 金额: $ 0.96万
• 依托单位: The University of Tokyo
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Overseas Scientific Research
• 财政年份: 1986
• 资助国家: 日本
• 起止时间: 1986 至 1987
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-62043021/
• 关键词: Compact Group of Compact Galaxies; Ultraviolet Excess Galaxies; Close Binaries; Bok Globule; Circumstellar Dust; HII領域

Compact groups of compact galaxies were observed using UH 2.2m telescope with the Faint Object Spectrograph to yield the red shifts of member galaxies in five groups. It is that the "compact" galaxies lie on the "saturation branch" in the Dimeter vs. Surface-Brightness Diagram of galaxies when correct distances are adopted.(Kodaira et al.)Kiso Ultraviolet-excess Galaxies (KUGs) were observed with the Faint Object Spectrograph to show some compact KUGs have large-scale star-burst phenomena.(Maehara et al.)An interacting close binary BL Eri was observed with 0.6m telescope to draw light variation curves,which show total eclipses and considerable photometric disturbances. The light curve analysis revealed that both components nearly fill their respective critical Roche lobes.(Yamasaki et al.)Photoelectic photometry of stars in and around the Bok globule B6 was done in the uvby<beta> system.Spectral types,extinction and distances for 8 stars were determined. Dynamical stability and evolution of an isolated dark cloud were disussed with the mass and radius observed for the globule.(Seki et al.)Circumstellar dust around planetary nebulae was observed by the cooled grating array spectrometer with IRTF NASA. Hydrogen emission line Pf<gamma> (3.297<mu>m) is separated from the broad emission band of the possible carbonaceous dust having peak at 3.295 <mu>m. The profiles of the possible carbonaceous dust emission band are almost similar in NGC 7027,BD+30゜ 3639 and IRAS 21282+5050.(Sakata et al.)The NGC 2024 HII region was mapped with Hydrogen Br<gamma>,Br<alpha>,and 2.39 <mu>m U line to find exciting source source at 30" south of IRS2,which is suffered by interstellar extinction of 25 mag.(Maihara et al.)

利用UH 2.2米望远镜和暗天体摄谱仪对致密星系群进行了观测，得到了5个星系群成员星系的红移。这是因为当采用正确的距离时，“致密”星系位于星系直径-表面亮度图的“饱和分支”上。（科代拉等人）用微弱天体摄谱仪对Kiso紫外线过剩星系（KUGs）进行了观测，发现一些紧凑的KUGs具有大尺度的星暴现象。（Maehara等人）用0.6米望远镜观测了一个相互作用的近距离双星BL Eri，绘制了光变曲线，显示了日全食和相当大的光度扰动。光变曲线分析表明，这两种成分几乎填满了各自的临界洛希瓣。（Yamasaki等人）在紫外系统中对博克球B6及其周围的恒星进行了光电测光<beta>，测定了8颗恒星的光谱类型、消光和距离。本文用观测到的球状体的质量和半径讨论了孤立暗云团的动力学稳定性和演化。(Seki等）。利用NASA的IRTF冷栅阵列光谱仪对行星状星云周围的星周尘埃进行了观测。氢发射线Pf<gamma>（3.297 <mu>m）与可能的碳质尘埃的宽发射带（峰值位于3.295 m）分开<mu>。NGC 7027、BD+30、3639和IRAS 21282+5050中可能的碳尘发射带廓线基本相似。（Sakata等人）利用氢Br、Br和2.39 m U谱线对NGC 2024 HII区进行了测图<gamma><alpha><mu>，在IRS 2以南30”处发现了激发源，该激发源正遭受25 mags的星际消光。（Maihara等人）