Revision of the Selection Function of the Optical Redshift Survey Using the Sloan Digital Sky Survey Early Data Release: Toward an Accurate Estimate of the Source Number Density of Ultra-High Energy Cosmic Rays

Yoshiguchi Hiroyuki; Nagataki Shigehiro; Sato Katsuhiko; Ohama Nobuyuki; Okamura Sadanori

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Revision of the Selection Function of the Optical Redshift Survey Using the Sloan Digital Sky Survey Early Data Release: Toward an Accurate Estimate of the Source Number Density of Ultra-High Energy Cosmic Rays

机译：使用斯隆数字天空测量仪的早期数据发布修订光学红移测量仪的选择功能：准确估算超高能宇宙射线的源数密度

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IfUltra-HighEnergyCosmicRays(UHECRs)originatefromnearbygalaxies,modelingofthedistributionofnearbygalaxiesisimportantforanaccurateestimateofthesourcenumberdensityofUHECRs.WeinvestigatetheuncertaintyoftheselectionfunctionoftheOpticalRedshiftSurvey(ORS),whichweusetoconstructasourcemodelofUHECRs.TheinvestigationisbasedonacomparisonofthenumbercountsofORSgalaxieswiththoseoftheSloanDigitalSkySurvey(SDSS)EarlyDataRelease(EDR).Wecarefullycountgalaxiesofthesameabsolutemagnitudebinfromtwosamples.WefindaslightsystematicoverestimateoftheORScountsoutside$$5000,mathrm{km},mathrm{s}^{-1}$$byaboutafactorof2,andrevisetheselectionfunctionoftheORS.TherevisionshouldbetakenintoaccountinanyfutureanalysisofthesourcenumberdensityofUHECRsbasedontheORS.Usingtherevisedselectionfunction,wedeterminedtheglobalstructureoftheLocalSupercluster(LSC)withasourcemodelofUHECRsconsistingofauniformsphericalhaloandanexponentialdisk.WefindthattherevisionisinsignificantintermsofthestructureoftheLSC.However,therevisedselectionfunctionwillbeusefulforotherstudies,suchasthoseinvolvingapeculiarvelocityandthecorrelationfunction.

机译：IfUltra-HighEnergyCosmicRays（UHECRs）originatefromnearbygalaxies，modelingofthedistributionofnearbygalaxiesisimportantforanaccurateestimateofthesourcenumberdensityofUHECRs.WeinvestigatetheuncertaintyoftheselectionfunctionoftheOpticalRedshiftSurvey（ORS），whichweusetoconstructasourcemodelofUHECRs.TheinvestigationisbasedonacomparisonofthenumbercountsofORSgalaxieswiththoseoftheSloanDigitalSkySurvey（SDSS）EarlyDataRelease（EDR）.Wecarefullycountgalaxiesofthesameabsolutemagnitudebinfromtwosamples.WefindaslightsystematicoverestimateoftheORScountsoutside $$ 5000，mathrm {公里}，mathrm {S} ^ { - 1} $$ byaboutafactorof2，考虑到未来对基于UORS的UHECR的源数密度的任何分析，应该考虑使用Vision。考虑到选择的功能，应确定局部超团簇（LSC）的全局结构，该UHECR的形状由一个具有连续性的单位表示，并由一个确定的均匀的半球形的光圈组成，并由它决定。该部分对其他研究很有用，例如涉及特定速度和相关函数的研究。

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《PASJ: Publications of the Astronomical Society of Japan》 |2003年第1期|共页
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Yoshiguchi Hiroyuki; Nagataki Shigehiro; Sato Katsuhiko; Ohama Nobuyuki; Okamura Sadanori;
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1. Revision of the Selection Function of the Optical Redshift Survey Using the Sloan Digital Sky Survey Early Data Release: Toward an Accurate Estimate of the Source Number Density of Ultra-High Energy Cosmic Rays [J] . Yoshiguchi Hiroyuki, Nagataki Shigehiro, Sato Katsuhiko, PASJ: Publications of the Astronomical Society of Japan . 2003,第1期

机译：使用斯隆数字天空测量仪的早期数据发布修订光学红移测量仪的选择功能：准确估算超高能宇宙射线的源数密度
2. High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. VI. Sloan Digital Sky Survey Spectrograph Observations* [J] . Scott F. Anderson1, Xiaohui Fan2, Gordon T. Richards3, The Astrophysical journal . 2007,第2期

机译：在Sloan Digital Sky Survey调试数据中发现了高Redshift类星体。 VI。斯隆数字天空勘测光谱仪观测*
3. OPTICAL SPECTROSCOPIC OBSERVATIONS OF BLAZARS AND γ-RAY BLAZAR CANDIDATES IN THE SLOAN DIGITAL SKY SURVEY DATA RELEASE NINE [J] . F. Massaro12, N. Masetti3, R. DAbrusco4, The Astrophysical journal . 2014,第4期

机译：斯隆数字天空调查数据发布九中Blazars和γ射线雷射候选者的光学光谱观察
4. Detection of the 2175 A dust feature from The Sloan Digital Sky Survey first and second data releases [C] . Junfeng Wang, Jian Ge, P. B Hall, International Astronomical Union . 2005

机译：检测2175来自斯隆数字天空调查的灰尘特征第一和第二数据释放
5. Candidate isolated neutron stars and other stellar X -ray sources from the ROSAT All-Sky and Sloan Digital Sky Surveys. [D] . Agueros, Marcel A. 2006

机译：候选孤立的中子星和其他ROSAT全天和斯隆数字天空测量的X射线源。
6. High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data VI. Sloan Digital Sky Survey Spectrograph Observations [O] . Anderson, S F, Fan, X, Richards, G T, 2001

机译：在Sloan Digital Sky Survey调试数据VI中发现了高Redshift类星体。斯隆数字天空调查光谱仪观测

Revision of the Selection Function of the Optical Redshift Survey Using the Sloan Digital Sky Survey Early Data Release: Toward an Accurate Estimate of the Source Number Density of Ultra-High Energy Cosmic Rays

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