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Re-analysis of the 267 GHz ALMA observations of Venus
I. A. G. Snellen, L. Guzman-Ramirez, M. R. Hogerheijde et al., 2020. Astronomy & Astrophysics 644, L2.
Reduces the ALMA data with the published scripts and shows that the 12th-order polynomial used to flatten the passband creates spurious lines: following the recipe, five other features above 10 sigma appear within 60 km/s of the phosphine frequency. Independent analysis finds a feature at about 2 sigma.
What it's used for here
The central methodological critique of the ALMA detection.
Cited by on this site 7 records
Phosphine in the clouds of Venus
MYSThe mystery article
Cite it
Snellen, I. A. G., Guzman-Ramirez, L., Hogerheijde, M. R., Hygate, A. P. S., & van der Tak, F. F. S. (2020). Re-analysis of the 267 GHz ALMA observations of Venus. Astronomy & Astrophysics 644, L2. https://doi.org/10.1051/0004-6361/202039717
@article{snellen2020reanalysis,
author = {Snellen, I. A. G. and Guzman-Ramirez, L. and Hogerheijde, M. R. and Hygate, A. P. S. and van der Tak, F. F. S.},
title = {Re-analysis of the 267 GHz ALMA observations of Venus},
journal = {Astronomy \& Astrophysics 644, L2},
year = {2020},
doi = {10.1051/0004-6361/202039717},
url = {https://doi.org/10.1051/0004-6361/202039717}
}TY - JOUR TI - Re-analysis of the 267 GHz ALMA observations of Venus AU - Snellen, I. A. G. AU - Guzman-Ramirez, L. AU - Hogerheijde, M. R. AU - Hygate, A. P. S. AU - van der Tak, F. F. S. PY - 2020 JO - Astronomy & Astrophysics 644, L2 DO - 10.1051/0004-6361/202039717 UR - https://doi.org/10.1051/0004-6361/202039717 ER -
Snellen, I. A. G. et al.. “Re-analysis of the 267 GHz ALMA observations of Venus.” Astronomy & Astrophysics 644, L2 (2020). https://doi.org/10.1051/0004-6361/202039717.