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Re-calibration of SDF/SXDS photometric catalogs of Suprime-Cam with SDSS Data Release 8

机译：使用SDSS Data Release 8重新校准Suprime-Cam的SDF / SXDS光度目录

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摘要

We present photometric recalibrations of the Subaru Deep Field (SDF) and Subaru/XMM-Newton Deep Survey (SXDS). Recently, Yamanoi et al. (2012, AJ, 144, 40) suggested the existence of a discrepancy between the SDF and SXDS catalogs. We have used the Sloan Digital Sky Survey (SDSS) Data Release 8 (DR8) catalog and compared stars in common between SDF/SXDS and SDSS. We confirmed that there exists a 0.12 mag offset in the B-band between the SDF and SXDS catalogs. Moreover, we found that significant zero-point offsets in the i-band (~0.10 mag) and the z-band (~0.14 mag) need to be introduced to the SDF/SXDS catalogs to make it consistent with the SDSS catalog. We report the measured zero point offsets of five filter bands of SDF/SXDS catalogs. We studied the potential cause of these offsets, but the origins are yet to be understood.
机译：我们介绍了斯巴鲁深场（SDF）和斯巴鲁/ XMM-牛顿深测量（SXDS）的光度重新校准。最近，Yamanoi等人。 （2012，AJ，144，40）建议SDF和SXDS目录之间存在差异。我们使用了斯隆数字天空测量（SDSS）数据版本8（DR8）目录，并比较了SDF / SXDS和SDSS之间的共同恒星。我们确认，SDF和SXDS目录之间的B波段存在0.12磁偏移。此外，我们发现需要将i波段（〜0.10 mag）和z波段（〜0.14 mag）的显着零点偏移引入SDF / SXDS目录，以使其与SDSS目录保持一致。我们报告了SDF / SXDS目录的五个滤波器带的测得零点偏移。我们研究了这些偏移的潜在原因，但其起源尚待了解。

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