Near-Infrared Spectroscopic Observation of the High-z Quasar PKS 0201+113

Oya Shin; Iwamuro Fumihide; Tsukamoto Hiroyuki; Maihara Toshinori

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Near-Infrared Spectroscopic Observation of the High-z Quasar PKS 0201+113

机译：High-z Quasar PKS 0201 + 113的近红外光谱观察

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Anear-infraredspectroscopicobservationofahigh-redshiftquasar,PKS0201+113,madewiththeOH-airglowsuppressorspectrograph(OHS)ispresented.ThisquasarisknowntohaveadampedLy?±systeminthelineofsight.Distinctivecharacteristicsshowninthelow-resolutionspectrumofthequasarintheJ-andH-bandsarealargeredshiftdifferencebetweentheMgIIemissionlineandhigh-excitationlines,thepresenceofFeIIemissionfeaturesandapossiblyreddenedcontinuumspectrum.ThedifferenceinthevelocitybetweentheCIVandMgIIlinesisconsistentwithasimplepictureoftheseparateddistributionofbroadlineregionsmadeoftworegions:i)high-excitedcloudshavingahighoutflowvelocityandii)relativelyquiescentlow-excitedcloudssurroundingthecentralhotregion.ThepresenceofFeIIemissionimpliesthatthemetalicityofthecentralenvironmentalgasofthehigh-redshiftquasarisstillsimilartothatoflow-redshiftquasars.AsofteningofthespectralslopetowardshortwavelengthscouldbeexplainedifwetakereddeningbythedampedLy?±systemintoaccount.

机译：近地-infraredspectroscopicobservationofahigh-redshiftquasar，PKS0201 + 113，madewiththeOH-airglowsuppressorspectrograph（OHS）ispresented.ThisquasarisknowntohaveadampedLy±systeminthelineofsight.Distinctivecharacteristicsshowninthelow-resolutionspectrumofthequasarintheJ-andH-bandsarealargeredshiftdifferencebetweentheMgIIemissionlineandhigh-excitationlines，thepresenceofFeIIemissionfeaturesandapossiblyreddenedcontinuumspectrum.ThedifferenceinthevelocitybetweentheCIVandMgIIlinesisconsistentwithasimplepictureoftheseparateddistributionofbroadlineregionsmadeoftworegions：ⅰ）高excitedcloudshavingahighoutflowvelocityandii）relativelyquiescentlow-excitedcloudssurroundingthecentralhotregion.ThepresenceofFeIIemissionimpliesthatthemetalicityofthecentralenvironmentalgasofthehigh-redshiftquasarisstillsimilartothatoflow如果我们通过衰减的Ly？±系统来减少反射，则可以解释向短波长的光谱倾斜的软化。

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《PASJ: Publications of the Astronomical Society of Japan》 |1998年第1期|共页
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Oya Shin; Iwamuro Fumihide; Tsukamoto Hiroyuki; Maihara Toshinori;
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Near-Infrared Spectroscopic Observation of the High-z Quasar PKS 0201+113

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