Publications of O. Sipilä

Sipilä, O.; Caselli, P.; Juvela, M.: Impact of ice growth on the physical and chemical properties of dense cloud cores - I. Monodisperse grains. ASTRONOMY & ASTROPHYSICS 690, A280 (2024)

Pineda, J. E.; Soler, J. D.; Offner, S.; Koch, E. W.; Segura-Cox, D. M.; Neri, R.; Küffmeier, M.; Ivlev, A. V.; Valdivia Mena, M. T.; Sipilä, O. et al.; Maureira, M. J.; Caselli, P.; Cunningham, N.; Schmiedeke, A.; Gieser, C.; Chen, M.; Spezzano, S.: Probing the physics of star formation (ProPStar) - III. No evidence of dissipation of turbulence down to 20 mpc (4000 au) scale. ASTRONOMY & ASTROPHYSICS 690, L5 (2024)

Pineda, J. E.; Sipilä, O.; Segura-Cox, D. M.; Valdivia Mena, M. T.; Neri, R.; Küffmeier, M.; Ivlev, A. V.; Offner, S. S. R.; Maureira, M. J.; Caselli, P. et al.; Spezzano, S.; Cunningham, N.; Schmiedeke, A.; Chen, M.: Probing the physics of star formation (ProPStar) - I. First resolved maps of the electron fraction and cosmic-ray ionization rate in NGC 1333. ASTRONOMY & ASTROPHYSICS 686, A162 (2024)

Jensen, S. S.; Spezzano, S.; Caselli, P.; Sipilä, O.; Redaelli, E.; Giers, K.; Asensio, J. F.: Fractionation in young cores: Direct determinations of nitrogen and carbon fractionation in HCN. ASTRONOMY & ASTROPHYSICS 685, A149 (2024)

Sipilä, O.; Colzi, L.; Roueff, E.; Caselli, P.; Fontani, F.; Wirström, E.: Combined model for 15N, 13C, and spin-state chemistry in molecular clouds. Astronomy and Astrophysics 678, A120 (2023)

Giers, K.; Spezzano, S.; Caselli, P.; Wirström, E.; Sipilä, O.; Pineda, J. E.; Redaelli, E.; Bop, C. T.; Lique, F.: Similar levels of deuteration in the pre-stellar core L1544 and the protostellar core HH211. Astronomy and Astrophysics 676, A78 (2023)

Jacob, A. M.; Menten, K. M.; Wyrowski, F.; Sipilä, O.: First detection of deuterated methylidyne (CD) in the interstellar medium. Astronomy and Astrophysics 675, A69 (2023)

Sipilä, O.; Caselli, P.; Redaelli, E.; Spezzano, S.: Chemistry and dynamics of the prestellar core L1544. Astronomy and Astrophysics 668, A131 (2022)

Asensio, J. F.; Spezzano, S.; Caselli, P.; Alves, F. O.; Sipilä, O.; Redaelli, E.; Bizzocchi, L.; Lique, F.; Mullins, A.: Tracing the contraction of the pre-stellar core L1544 with HC¹⁷O⁺ J = 1–0 emission. Astronomy and Astrophysics 667, A119 (2022)

Lin, Y.; Spezzano, S.; Sipilä, O.; Vasyunin, A.; Caselli, P.: Multiline observations of CH3OH, c-C3H2, and HNCO toward L1544 - Dissecting the core structure with chemical differentiation. Astronomy and Astrophysics 665, A131 (2022)

Spezzano, S.; Caselli, P.; Sipilä, O.; Bizzocchi, L.: Nitrogen fractionation towards a pre-stellar core traces isotope-selective photodissociation. Astronomy and Astrophysics 664, L12 (2022)

Galloway-Sprietsma, M.; Shirley, Y. L.; Francesco, J. D.; Keown, J.; Scibelli, S.; Sipilä, O.; Smullen, R.: A survey of deuterated ammonia in the Cepheus star-forming region L1251. Monthly Notices of the Royal Astronomical Society 515 (4), pp. 5219 - 5234 (2022)

Pineda, J. E.; Harju, J.; Caselli, P.; Sipilä, O.; Juvela, M.; Vastel, C.; Rosolowsky, E.; Burkert, A.; Friesen, R. K.; Shirley, Y. et al.; Maureira, M. J.; Choudhury, S.; Segura-Cox, D. M.; Güsten, R.; Punanova, A.; Bizzocchi, L.; Goodman, A. A.: An interferometric view of H-MM1 - I. Direct observation of NH₃ depletion. Astronomical Journal 163 (6), 294 (2022)

Spezzano, S.; Sipilä, O.; Caselli, P.; Jensen, S. S.; Czakli, S.; Bizzocchi, L.; Chantzos, J.; Esplugues, G.; Fuente, A.; Eisenhauer, F.: H₂CS deuteration maps towards the pre-stellar core L1544. Astronomy and Astrophysics 661, A111 (2022)

Caselli, P.; Pineda, J. E.; Sipilä, O.; Zhao, B.; Redaelli, E.; Spezzano, S.; Maureira, M. J.; Alves, F.; Bizzocchi, L.; Bourke, T. L.: The Central 1000 au of a prestellar core revealed with ALMA. - II. Almost complete freeze-out. The Astrophysical Journal 929 (1), 13 (2022)

Caselli, P.; Pineda, J. E.; Sipilä, O.; Zhao, B.; Redaelli, E.; Spezzano, S.; Maureira, M. J.; Alves, F. O.; Bizzocchi, L.; Bourke, T. L. et al.; Chacón-Tanarro, A.; Friesen, R.; Galli, D.; Harju, J.; Jiménez-Serra, I.; Keto, E.; Li, Z.-Y.; Padovani, M.; Schmiedeke, A.; Tafalla, M.; Vastel, C.: The central 1000 au of a prestellar core revealed with ALMA. II. Almost complete freeze-out. The Astrophysical Journal 929 (1), 13 (2022)

Redaelli, E.; Sipilä, O.; Padovani, M.; Caselli, P.; Galli, D.; Ivlev, A. V.: The cosmic-ray ionisation rate in the pre-stellar core L1544 star. Astronomy and Astrophysics 656, A109 (2021)

Sipilä, O.; Silsbee, K.; Caselli, P.: A revised description of the cosmic ray induced desorption of interstellar ices. The Astrophysical Journal 922 (2), 126 (2021)

Fontani, F.; Colzi, L.; Redaelli, E.; Sipilä, O.; Caselli, P.: First survey of HCNH⁺ in high-mass star-forming cloud cores. Astronomy and Astrophysics 651, A94 (2021)

Feng, S.; Li, D.; Caselli, P.; Du, F.; Lin, Y.; Sipilä, O.; Beuther, H.; Sanhueza, P.; Tatematsu, K.; Liu, S. Y. et al.; Zhang, Q.; Wang, Y.; Hogge, T.; Jimenez-Serra, I.; Lu, X.; Liu, T.; Wang, K.; Zhang, Z. Y.; Zahorecz, S.; Li, G.; Liu, H. B.; Yuan, J.: The chemical structure of young high-mass star-forming clumps: (II) parsec-scale CO depletion and deuterium fraction of HCO+. The Astrophysical Journal 901 (2), 145 (2020)