High-resolution Transmission Spectroscopy of MASCARA-2 b with EXPRES

@article{Hoeijmakers2020HighresolutionTS,
  title={High-resolution Transmission Spectroscopy of MASCARA-2 b with EXPRES},
  author={H. J. Hoeijmakers and S. H. C. Cabot and L. Zhao and L. Buchhave and R. Tronsgaard and D. Kitzmann and S. Grimm and H. Cegla and V. Bourrier and D. Ehrenreich and K. Heng and C. Lovis and D. Fischer},
  journal={arXiv: Earth and Planetary Astrophysics},
  year={2020}
}
We report detections of atomic species in the atmosphere of MASCARA-2 b, using the first transit observations obtained with the newly commissioned EXPRES spectrograph. EXPRES is a highly stabilised optical echelle spectrograph, designed to detect stellar reflex motions with amplitudes down to 30 cm/s, and was recently deployed at the Lowell Discovery Telescope. By analysing the transmission spectrum of the ultra-hot Jupiter MASCARA-2 b using the cross-correlation method, we confirm previous… Expand
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