$vec{BV!RI}$ Photometry of 27 Kuiper Belt Objects with ESO/Very Large Telescope
$vec{BV!RI}$ Photometry of 27 Kuiper Belt Objects with ESO/Very Large Telescope
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$vec{BV!RI}$ 使用 ESO/甚大望远镜对 27 个柯伊伯带天体进行光度测量
DOI：
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发表时间：
2001
期刊：
影响因子：
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通讯作者：
O. Hainaut
中科院分区：
文献类型：
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作者：
A. Delsanti;H. Boehnhardt;L. Barrera;K. Meech;T. Sekiguchi;O. Hainaut
我们给出了27个跨海王星天体的可见光(BVRI)测量，这些天体是用ESO/8米甚大望远镜(单元2)上的FORS2仪器在2000年9月和11月期间获得的。这些物体显示了从中性蓝到深红色的广泛和连续的颜色范围。大多数物体在VRI范围内也有线性反射率光谱。没有证据表明存在双峰颜色分布，这一点此前已被其他研究小组报道过。有几个物体(1994 TB、1995 SM55、1998 UR43、1999 CF119和2000 OK67)显示出颜色变化的证据，应该进行进一步的研究。1995年的SM55值得进行更全面的研究，因为它的中性蓝色表明它可能是一个很好的彗星活动候选者。
We present visible (BVRI) photometric measurements of 27 Trans-Neptunian objects, obtained with the FORS2 instrument on the ESO/8 m Very Large Telescope (Unit 2) from runs during September and November 2000. The objects display a broad and continuous range of colors from neutral-bluish to very red. Most of the objects also have a linear reflectivity spectrum over the VRIrange. There is no evidence of a bi- modal color distribution as has been previously reported by other groups. Several objects (1994 TB, 1995 SM55, 1998 UR43, 1999CF119 and 2000 OK67) show evidence of changing color, and should be investigated further. The object 1995 SM55 deserves a more complete study since its neutral-blue colors suggest it could be a good candidate for hosting cometary activity.