TeV候选BL Lacertae天体的宿主星系扣除
Host galaxy subtraction of TeV candidate BL Lacertae objects
摘要：
我们推导出了20 TeV候选BL Lacertae天体的R-波段宿主星系通量作为光圈半径和半高宽的函数。结果以校正表的形式给出，其中列出了所有"污染“源（主星系+重要的邻近天体）的通量（以mJy为单位）作为孔径半径和半高宽的函数。我们发现，导出的通量强烈依赖于孔径半径，但半高宽只有一个很小的影响（百分之几）。我们还讨论了我们的研究结果的影响，光学监测程序和潜在的错误来源，在我们推导的通量。在此期间，我们还为9个天体构造了新的定标星序列，并给出了观测图和定标星等。
英文摘要：
We have derived R-band host galaxy fluxes of 20 TeV candidate BL Lacertae objects as a function of aperture radius and FWHM. The results are given as correction tables, that list the fluxes (in mJy) of all ``contaminating'' sources (host galaxy + significant nearby objects) as a function of aperture radius and FWHM. We found that the derived fluxes depend strongly on aperture radius, but the FWHM has only a minor effect (a few percent). We also discuss the implications of our findings to optical monitoring programs and potential sources of error in our derived fluxes. During this work we have also constructed new calibration star sequences for 9 objects and present the finding charts and calibrated magnitudes.
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