Astrophysics at the University of Hull

GASP XXIII: a jellyfish galaxy as an astrophysical laboratory of the baryonic cycle (2019)
Journal Article
Poggianti, B. M., Ignesti, A., Gitti, M., Wolter, A., Brighenti, F., Biviano, A., George, K., Vulcani, B., Gullieuszik, M., Moretti, A., Paladino, R., Bettoni, D., Franchetto, A., Jaffé, Y. L., Radovich, M., Roediger, E., Tomičić, N., Tonnesen, S., Bellhouse, C., Fritz, J., & Omizzolo, A. (2019). GASP XXIII: a jellyfish galaxy as an astrophysical laboratory of the baryonic cycle. The Astrophysical journal, 887(2), Article 155. https://doi.org/10.3847/1538-4357/ab5224

© 2019. The American Astronomical Society. All rights reserved. With MUSE, Chandra, VLA, ALMA, and UVIT data from the GASP program, we study the multiphase baryonic components in a jellyfish galaxy (JW100) with a stellar mass 3.2 × 1011 M o hosting a... Read More about GASP XXIII: a jellyfish galaxy as an astrophysical laboratory of the baryonic cycle.

The rotational profiles of cluster galaxies (2019)
Journal Article
Bilton, L. E., Hunt, M., Pimbblet, K. A., & Roediger, E. (2019). The rotational profiles of cluster galaxies. Monthly notices of the Royal Astronomical Society, 490(4), 5017-5032. https://doi.org/10.1093/mnras/stz2927

© 2019 The Author(s) We compile two samples of cluster galaxies with complimentary hydrodynamic and N-body analysis using FLASH code to ascertain how their differing populations drive their rotational profiles and to better understand their dynamical... Read More about The rotational profiles of cluster galaxies.

ALMA Unveils Widespread Molecular Gas Clumps in the Ram Pressure Stripped Tail of the Norma Jellyfish Galaxy (2019)
Journal Article
Jáchym, P., Kenney, J. D., Sun, M., Combes, F., Cortese, L., Scott, T. C., Sivanandam, S., Brinks, E., Roediger, E., Palouš, J., & Fumagalli, M. (2019). ALMA Unveils Widespread Molecular Gas Clumps in the Ram Pressure Stripped Tail of the Norma Jellyfish Galaxy. The Astrophysical journal, 883(2), Article 145. https://doi.org/10.3847/1538-4357/ab3e6c

© 2019 The American Astronomical Society. All rights reserved. We present the first high-resolution map of the cold molecular gas distribution as traced by CO(2-1) emission with ALMA in a long ram pressure stripped tail. The Norma cluster galaxy ESO... Read More about ALMA Unveils Widespread Molecular Gas Clumps in the Ram Pressure Stripped Tail of the Norma Jellyfish Galaxy.

The s process in rotating low-mass AGB stars: Nucleosynthesis calculations in models matching asteroseismic constraints (2019)
Journal Article
Den Hartogh, J. W., Hirschi, R., Lugaro, M., Doherty, C. L., Battino, U., Herwig, F., Pignatari, M., & Eggenberger, P. (2019). The s process in rotating low-mass AGB stars: Nucleosynthesis calculations in models matching asteroseismic constraints. Astronomy and Astrophysics, 629, Article A123. https://doi.org/10.1051/0004-6361/201935476

Aims. We investigate the s-process during the AGB phase of stellar models whose cores are enforced to rotate at rates consistent with asteroseismology observations of their progenitors and successors. Methods. We calculated new 2 M⊙ , Z  =  0.01 mode... Read More about The s process in rotating low-mass AGB stars: Nucleosynthesis calculations in models matching asteroseismic constraints.

2D-Galactic chemical evolution: The role of the spiral density wave (2019)
Journal Article
Mollá, M., Wekesa, S., Cavichia, O., Díaz, I., Gibson, B. K., Rosales-Ortega, F. F., Ascasibar, Y., Wamalwa, D. S., & Sánchez, S. F. (2019). 2D-Galactic chemical evolution: The role of the spiral density wave. Monthly notices of the Royal Astronomical Society, 490(1), 665-682. https://doi.org/10.1093/mnras/stz2537

© 2019 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. We present a 2D chemical evolution code applied to a Milky Way type Galaxy, incorporating the role of spiral arms in shaping azimuthal abundance v... Read More about 2D-Galactic chemical evolution: The role of the spiral density wave.

Heterogeneity of inverted calcium II H:K ratio cluster galaxies (2019)
Journal Article
Pimbblet, K. A., Crossett, J. P., & Fraser-McKelvie, A. (2019). Heterogeneity of inverted calcium II H:K ratio cluster galaxies. Monthly notices of the Royal Astronomical Society, 490(1), 455-466. https://doi.org/10.1093/mnras/stz2549

© 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society The ratio of calcium II H plus H∊ to calcium II K inverts as a galaxy stellar population moves from being dominated by older stars to possessing mor... Read More about Heterogeneity of inverted calcium II H:K ratio cluster galaxies.

A direct measurement of the 17O(α,γ)21Ne reaction in inverse kinematics and its impact on heavy element production (2019)
Journal Article
Taggart, M. P., Akers, C., Laird, A. M., Hager, U., Ruiz, C., Hutcheon, D. A., Bentley, M. A., Brown, J. R., Buchmann, L., Chen, A. A., Chen, J., Chipps, K. A., Choplin, A., D'Auria, J. M., Davids, B., Davis, C., Diget, C. A., Erikson, L., Fallis, J., Fox, S. P., …Williams, M. (2019). A direct measurement of the 17O(α,γ)21Ne reaction in inverse kinematics and its impact on heavy element production. Physics letters. B, 798, Article 134894. https://doi.org/10.1016/j.physletb.2019.134894

© 2019 The Authors During the slow neutron capture process in massive stars, reactions on light elements can both produce and absorb neutrons thereby influencing the final heavy element abundances. At low metallicities, the high neutron capture rate... Read More about A direct measurement of the 17O(α,γ)21Ne reaction in inverse kinematics and its impact on heavy element production.

Redshift measurement through star formation (2019)
Journal Article
Lindholmer, M. O., & Pimbblet, K. A. (2019). Redshift measurement through star formation. Astronomy and Astrophysics, 629, Article A7. https://doi.org/10.1051/0004-6361/201833046

© ESO 2019. In this work we use the property that, on average, star formation rate increases with redshift for objects with the same mass - the so called galaxy main sequence - to measure the redshift of galaxy clusters. We use the fact that the gene... Read More about Redshift measurement through star formation.

NuGrid stellar data set - III. Updated low-mass AGB models and s-process nucleosynthesis with metallicities Z = 0.01, Z = 0.02, and Z = 0.03 (2019)
Journal Article
Battino, U., Tattersall, A., Lederer-Woods, C., Herwig, F., Denissenkov, P., Hirschi, R., Trappitsch, R., den Hartogh, J. W., & Pignatari, M. (2019). NuGrid stellar data set - III. Updated low-mass AGB models and s-process nucleosynthesis with metallicities Z = 0.01, Z = 0.02, and Z = 0.03. Monthly notices of the Royal Astronomical Society, 489(1), 1082-1098. https://doi.org/10.1093/mnras/stz2158

© 2019 Oxford University Press. All rights reserved. The production of the neutron-capture isotopes beyond iron that we observe today in the Solar system is the result of the combined contribution of the r-process, the s-process, and possibly the i-p... Read More about NuGrid stellar data set - III. Updated low-mass AGB models and s-process nucleosynthesis with metallicities Z = 0.01, Z = 0.02, and Z = 0.03.

Extended X-ray study of M49: The frontier of the Virgo cluster (2019)
Journal Article
Su, Y., Kraft, R. P., Nulsen, P. E. J., Jones, C., Maccarone, T. J., Mernier, F., Lovisari, L., Sheardown, A., Randall, S. W., Roediger, E., Fish, T. M., Forman, W. R., & Churazov, E. (2019). Extended X-ray study of M49: The frontier of the Virgo cluster. Astronomical Journal, 158(1), Article 6. https://doi.org/10.3847/1538-3881/ab1d51

The M49 group, residing outside the virial radius of the Virgo cluster, is falling onto the cluster from the south. We report results from deep XMM-Newton mosaic observations of M49. Its hot gas temperature is 0.8 keV at the group center and rises to... Read More about Extended X-ray study of M49: The frontier of the Virgo cluster.