Physical Conditions of Molecular Gas in the Galactic Center

Nagai Makoto; Tanaka Kunihiko; Kamegai Kazuhisa; Oka Tomoharu

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Physical Conditions of Molecular Gas in the Galactic Center

机译：银河中心分子气体的物理条件

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Weestimatedthephysicalconditionsofmoleculargasinthecentralmolecularzone(CMZ)oftheGalaxy,usingourCO$$J=3-2$$dataobtainedwiththeAtacamaSubmillimeterTelescopeExperiment(ASTE)inconjunctionwithJ=1a€“0$$^{12}$$COand$$^{13}$$COdatapreviouslyobservedwiththeNobeyamaRadioObservatory(NRO)45mtelescope.Thelargevelocitygradient(LVG)approximationwasemployed.Thedistributionsofgasdensity,kinetictemperature,andCOcolumndensitywerederivedasfunctionsofthepositionandthevelocityfortheentirecoverageoftheCO$$J=3-2$$data.Wefairlydeterminedthephysicalconditionsfor69%ofdatapointsintheCMZwith$$geq1hskip2ptsigma$$COdetections.ThekinetictemperaturewasfoundtoberoughlyuniformintheCMZ,whilethegasdensitywashigherinthe120pcstar-formingringthanintheouterdustlanes.Thephysicalconditionsofhigh$$J=3-2/J=1-0$$featuresarealsodiscussed.

机译：我们使用Atacama亚毫米望远镜实验（ASTE）与J = 1a共同获得的CO $$ J = 3-2 $$数据，估算了银河系中心分子带（CMZ）的分子气体的物理条件。（LVG）approximationwasemployed.Thedistributionsofgasdensity，kinetictemperature，andCOcolumndensitywerederivedasfunctionsofthepositionandthevelocityfortheentirecoverageoftheCO $$ J = 3-2 $$ data.Wefairlydeterminedthephysicalconditionsfor69％ofdatapointsintheCMZwith $$ geq1hskip2ptsigma $$ COdetections.ThekinetictemperaturewasfoundtoberoughlyuniformintheCMZ，whilethegasdensitywashigherinthe120pcstar-formingringthanintheouterdustlanes.Thephysicalconditionsofhigh $$ J = 3-2 / J = 1-还讨论了0 $$功能。

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《PASJ: Publications of the Astronomical Society of Japan》 |2007年第1期|共页
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Nagai Makoto; Tanaka Kunihiko; Kamegai Kazuhisa; Oka Tomoharu;
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1. Physical conditions of molecular gas in the Galactic center [J] . Nagai M, Tanaka K, Kamegai K, PASJ: Publications of the Astronomical Society of Japan . 2007,第1期

机译：银河系中心分子气体的物理条件
2. CO (J = 2-1) line observations of the Galactic center molecular cloud complex. II. Dynamical structure and physical conditions [J] . Tomoharu Oka, Tetsuo Hasegawa, Masahiko Hayashi The Astrophysical journal . 1998,第2期

机译：银河系中心分子云复合体的CO（J = 2-1）线观测。二。动力结构和物理条件
3. CO (J = 2-1) Line Observations of the Galactic Center Molecular Cloud Complex. II Dynamical Structure and Physical Conditions [J] . Tomoharu Oka12, Tetsuo Hasegawa3, Masahiko Hayashi24, The Astrophysical journal . 1998,第2期

机译：银河系中心分子云复合体的CO（J = 2-1）线观测。二，动力结构与物理条件
4. Physical conditions and chemistry of molecular gas in galactic centers [C] . Susanne Aalto International Astronomical Union., Symposium . 2014

机译：银河中心分子气体的物理条件和化学
5. Surveys of the Galactic center and the nature of the Galactic center lobe [D] . Law, Casey James 2007

机译：银河系中心和银河系中心瓣的性质的调查
6. STUDIES OF THE GALACTIC CENTER. IV. ON THE TRANSPARENCY OF THE GALACTIC STAR CLOUDS [O] . Harlow Shapley 1929

机译：银河中心研究。 IV。论银河星云的透明度
7. Physical conditions and chemistry of molecular gas in galactic centers [O] . Aalto, Susanne 2014

机译：银河系中心分子气体的物理条件和化学

Physical Conditions of Molecular Gas in the Galactic Center

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