The Atacama Cosmology Telescope: map-based noise simulations for DR6

• Published in: Journal of cosmology and astroparticle physics Vol. 2023; no. 11; pp. 73 - 143
• Main Authors: Atkins, Zachary, Duivenvoorden, Adriaan J., Coulton, William R., Qu, Frank J., Aiola, Simone, Calabrese, Erminia, Chesmore, Grace E., Choi, Steve K., Devlin, Mark J., Dunkley, Jo, Hervías-Caimapo, Carlos, Guan, Yilun, Posta, Adrien La, Li, Zack, Louis, Thibaut, Madhavacheril, Mathew S., Moodley, Kavilan, Naess, Sigurd, Nati, Federico, Niemack, Michael D., Page, Lyman, Puddu, Roberto, Salatino, Maria, Sifón, Cristóbal, Staggs, Suzanne T., Vargas, Cristian, Vavagiakis, Eve M., Wollack, Edward J.
• Format: Journal Article
• Language: English
• Published: Goddard Space Flight Center IOP Publishing 01.11.2023
• Subjects: Astronomical models; Astrophysics; Atmospheric models; Background noise; CMBR experiments; Cosmic microwave background; Cosmology; Covariance matrix; Empirical analysis; Noise; Physics of Elementary Particles and Fields; Statistical sampling techniques; Cmbr Experiments; Statistical Sampling Techniques

The increasing statistical power of cosmic microwave background (CMB) datasets requires a commensurate effort in understanding their noise properties. The noise in maps from ground-based instruments is dominated by large-scale correlations, which poses a modeling challenge. This paper develops novel...