Planck 2018 results. IX. Constraints on primordial non-Gaussianity

@article{Akrami2019Planck2R,
  title={Planck 2018 results. IX. Constraints on primordial non-Gaussianity},
  author={Planck Collaboration Y. Akrami and F. Arroja and M. Ashdown and J. Aumont and C. Baccigalupi and M. Ballardini and A. Banday and R. B. Barreiro and N. Bartolo and S. Basak and K. Benabed and J. Bernard and M. Bersanelli and P. Bielewicz and J. Bond and J. Borrill and F. Bouchet and M. Bucher and C. Burigana and R. C. Butler and E. Calabrese and J. Cardoso and B. Casaponsa and A. Challinor and H. Chiang and L. Colombo and C. Combet and B. Crill and F. Cuttaia and P. Bernardis and A. Rosa and G. Zotti and J. Delabrouille and J. Delouis and E. D. Valentino and J. Diego and O. Dor'e and M. Douspis and A. Ducout and X. Dupac and S. Dusini and G. Efstathiou and F. Elsner and T. Ensslin and H. Eriksen and Y. Fantaye and J. Fergusson and R. Fernandez-Cobos and F. Finelli and M. Frailis and A. Fraisse and E. Franceschi and A. Frolov and S. Galeotta and K. Ganga and R. G'enova-Santos and M. Gerbino and J. Gonz'alez-Nuevo and K. M. G'orski and S. Gratton and A. Gruppuso and J. Gudmundsson and J. Hamann and Will Handley and F. Hansen and D. Herranz and E. Hivon and Z. Huang and A. Jaffe and W. Jones and G. Jung and E. Keihanen and R. Keskitalo and K. Kiiveri and J. Kim and N. Krachmalnicoff and M. Kunz and H. Kurki-Suonio and J. Lamarre and A. Lasenby and M. Lattanzi and C. Lawrence and M. Jeune and F. L{\'e}vrier and A. Lewis and M. Liguori and P. Lilje and V. Lindholm and M. L'opez-Caniego and Y.-Z. Ma and J. Mac'ias-P'erez and G. Maggio and D. Maino and N. Mandolesi and A. Marcos-Caballero and M. Maris and P. Martin and E. Mart'inez-Gonz'alez and S. Matarrese and N. Mauri and J. McEwen and P. Meerburg and P. Meinhold and A. Melchiorri and A. Mennella and M. Migliaccio and M. Miville-Desch{\^e}nes and D. Molinari and A. Moneti and L. Montier and G. Morgante and A. Moss and M. Munchmeyer and P. Natoli and F. Oppizzi and L. Pagano and D. Paoletti and B. Partridge and G. Patanchon and F. Perrotta and V. Pettorino and F. Piacentini and G. Polenta and J. Puget and J. Rachen and B. Racine and M. Reinecke and M. Remazeilles and A. Renzi and G. Rocha and J. Rubino-Mart'in and B. Ruiz-Granados and L. Salvati and M. Savelainen and D. Scott and E. Shellard and M. Shiraishi and C. Sirignano and G. Sirri and K. Smith and L. Spencer and L. Stanco and R. Sunyaev and A. Suur-Uski and J. Tauber and D. Tavagnacco and M. Tenti and L. Toffolatti and M. Tomasi and T. Trombetti and J. Valiviita and B. Tent and P. Vielva and F. Villa and N. Vittorio and B. Wandelt and I. Wehus and A. Zacchei and A. Zonca},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2019}
}
We analyse the Planck full-mission cosmic microwave background (CMB) temperature and E-mode polarization maps to obtain constraints on primordial non-Gaussianity (NG). We compare estimates obtained from separable template-fitting, binned, and modal bispectrum estimators, finding consistent values for the local, equilateral, and orthogonal bispectrum amplitudes. Our combined temperature and polarization analysis produces the following results: f_NL^local = -0.9 +\- 5.1; f_NL^equil = -26 +\- 47… Expand
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