利用 CLASS 在 40 和 90 GHz 对金星进行观测
地球与行星天体物理
2021-04-13 v2 天体物理仪器与方法
摘要
利用宇宙学大角尺度巡天仪(Cosmology Large Angular Scale Surveyor, CLASS),我们测得金星盘平均绝对亮温度在中心频率分别为 38.8 和 93.7 GHz 的 Q 和 W 频段为 432.3 2.8 K 和 355.6 1.3 K。在这两个频段上,这些均为迄今最精确的测量。此外,我们观测到所测温度在任一频段均无相位依赖。我们的测量结果与一个以 CO 为主、并包含 SO 和 HSO 等微量附加吸收物的大气模型一致。
引用
@article{arxiv.2010.12739,
title = {Venus Observations at 40 and 90 GHz with CLASS},
author = {Sumit Dahal and Michael K. Brewer and John W. Appel and Aamir Ali and Charles L. Bennett and Ricardo Bustos and Manwei Chan and David T. Chuss and Joseph Cleary and Jullianna D. Couto and Rahul Datta and Kevin L. Denis and Joseph Eimer and Francisco Espinoza and Thomas Essinger-Hileman and Dominik Gothe and Kathleen Harrington and Jeffrey Iuliano and John Karakla and Tobias A. Marriage and Sasha Novack and Carolina Núñez and Ivan L. Padilla and Lucas Parker and Matthew A. Petroff and Rodrigo Reeves and Gary Rhoades and Karwan Rostem and Deniz A. N. Valle and Duncan J. Watts and Janet L. Weiland and Edward J. Wollack and Zhilei Xu},
journal= {arXiv preprint arXiv:2010.12739},
year = {2021}
}
备注
7 pages, 3 figures, published in PSJ