News
April 24th, 2024
Updated datafiles for rotational excitation of CH3OH by para- and ortho-H2 (Dagdigian 2024).
April 11th, 2024
Added datafiles for isotope-specific rotational excitation of D13CN by para-H2 (Navarro-Almaida et al. 2023).
April 10th, 2024
Added datafiles for isotope-specific rotational excitation of HN13C by para-H2 (Navarro-Almaida et al. 2023).
April 9th, 2024
Added datafiles for isotope-specific rotational excitation of DNC by para-H2 (Navarro-Almaida et al. 2023).
April 8th, 2024
Added datafiles for isotope-specific rotation excitation of DCN by para-H2 (Navarro-Almaida et al. 2023).
April 6th, 2024
Added datafiles for hyperfine excitation of HCNH+ by para-H2 and He (Bop et al. 2024).
April 4th, 2024
Added datafiles for rotational excitation of CH3CN and CH3NC by He (Ben Khalifa et al. 2023) and by para-H2 (scaled-He).
April 3rd, 2024
Added datafiles for rotational excitation of l-C3H2 by He (Ben Khalifa et al. 2019) and by para-H2 (scaled-He)
March 29th, 2024
Added datafiles for rotational excitation of H3O+ by para-H2 and ortho-H2 (Demes et al. 2023).
March 19th, 2024
Added datafiles for rotational excitation of HCNH+ by para-H2 and He (Bop & Lique 2023).
February 23th, 2024
Added datafiles for hyperfine excitation of NH and ND by para- and ortho-H2 (Pirlot Jankowiak et al. 2024).
February 21th, 2024
Added datafiles for hyperfine excitation of C2H and C2D by para- and ortho-H2 (Pirlot Jankowiak et al. 2023).
December 20th, 2023
Added datafiles for rotational excitation of HDO and D2O by para- and ortho-H2 (Faure et al. 2024).
November 25th, 2023
Added datafiles for hyperfine excitation of NH3 by para-H2 (Loreau et al. 2023).
November 22th, 2023
The new EMAA website is now online!
November 15th, 2023
Added datafiles for rotational excitation of NH3 by para- and ortho-H2 at high temperature (Demes et al. 2023).
October 14th, 2023
Added datafiles for rotational excitation of SO by para-H2 (Lique et al. 2007).
July 21th, 2023
Added datafiles for hyperfine excitation of 13C17O by ortho- and para-H2 (Dagdigian 2022).
July 17th, 2023
Added datafiles for rotational excitation of c-13CC2H2 by He (Ben Khalifa et al. 2019) and by para-H2 (scaled He data).
July 13th, 2023
Added datafiles for hyperfine excitation of 13CCH by para-H2 (Pirlot Jankowiak et al. 2023)
July 10th, 2023
Added datafiles for rotational excitation of E- and A-CH318OH by para- and ortho-H2 (Rabli & Flower 2010)
July 3rd, 2023
Added datafiles for rovibrational excitation of HD by H (Desrousseaux et al. 2022) and H+ (Gonzales-Lezana et al. 2022).
March 25th, 2023
Updated datafiles for rotational excitation of CO by para- and ortho-H2 (Dagdigian 2022) and by CO (Zoltowski et al. 2023)
March 15th, 2023
Added datafiles for rotational excitation of c-C3H2 by He (Ben Khalifa et al. 2019) and by para-H2 (scaled-He)
March 7th, 2023
Added datafiles for rotational excitation of CH3OH by para- and ortho-H2 (Rabli & Flower 2010) and by electrons (Guzman et al. 2013)
February 28th, 2023
Added datafiles for rotational and hyperfine excitation of CH2NH by para-H2 (Faure et al. 2018)
December 15th, 2022
Added collisional datafiles for fine and hyperfine excitation of OH by H (Dagdigian 2023)
June 1st, 2022
The EMAA collisional coefficients database for astrophysically relevant atoms and molecules is now online!
Please browse the database from the homepage by typing in the target species you want the collisional coefficients for, or go to the page "List of targets" to see the full list of available species.
Newly available species will be announced here.