ALMA Central molecular zone Exploration Survey (ACES) V: CS(2-1), SO(2_3-1_2), CH3CHO(5_1,4-4_1,3), HC3N(11-10), and H40a lines data
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2026
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| author | Hsieh, Pei-Ying Walker, Daniel L. Ginsburg, Adam Barnes, Ashley T. Lu, Xing Sánchez-Monge, Álvaro Gramze, Savannah R. Budaiev, Nazar Pound, Marc W. Pineda, Jaime E. Cook, Claire Henshaw, Jonathan D. Immer, Katharina Issac, Namitha Jeff, Desmond Liang, Fu-Heng Longmore, Steven N. Mills, Elisabeth A. C. Martín, Sergio Pan, Xing Pillai, Thushara G. S. Zhang, Qizhou Bally, John Battersby, Cara Colzi, Laura Ho, Paul T. P. Jiménez-Serra, Izaskun Kruijssen, J. M. Diederik Petkova, Maya Sormani, Mattia C. Tress, Robin G. Wallace, Jennifer Armijos-Abendaño, J. Armillotta, Lucia Bijas, N. Budhathoki-Chhetrya, Rojita Busch, Laura A. Butterfield, Natalie O. Chevance, Mélanie Díaz-Rodríguez, Ana Karla Federrath, Christoph Fedriani, Rubén García, Pablo Gu, Qi-Lao Houghton, Rebecca J. Hu, Yue Karoly, Janik Klessen, Ralf S. Krumholz, Mark R. Mazoochi, Farideh Nogueras-Lara, Francisco Paré, Dylan Riquelme-Vásquez, Denise Rivilla, Víctor M. Santa-Maria, Miriam G. Schmiedeke, Anika Sofue, Yoshiaki Tolls, Volker Wang, Q. Daniel Williams, Gwenllian M. Xu, Fengwei Zhang, Suinan |
| author_facet | Hsieh, Pei-Ying Walker, Daniel L. Ginsburg, Adam Barnes, Ashley T. Lu, Xing Sánchez-Monge, Álvaro Gramze, Savannah R. Budaiev, Nazar Pound, Marc W. Pineda, Jaime E. Cook, Claire Henshaw, Jonathan D. Immer, Katharina Issac, Namitha Jeff, Desmond Liang, Fu-Heng Longmore, Steven N. Mills, Elisabeth A. C. Martín, Sergio Pan, Xing Pillai, Thushara G. S. Zhang, Qizhou Bally, John Battersby, Cara Colzi, Laura Ho, Paul T. P. Jiménez-Serra, Izaskun Kruijssen, J. M. Diederik Petkova, Maya Sormani, Mattia C. Tress, Robin G. Wallace, Jennifer Armijos-Abendaño, J. Armillotta, Lucia Bijas, N. Budhathoki-Chhetrya, Rojita Busch, Laura A. Butterfield, Natalie O. Chevance, Mélanie Díaz-Rodríguez, Ana Karla Federrath, Christoph Fedriani, Rubén García, Pablo Gu, Qi-Lao Houghton, Rebecca J. Hu, Yue Karoly, Janik Klessen, Ralf S. Krumholz, Mark R. Mazoochi, Farideh Nogueras-Lara, Francisco Paré, Dylan Riquelme-Vásquez, Denise Rivilla, Víctor M. Santa-Maria, Miriam G. Schmiedeke, Anika Sofue, Yoshiaki Tolls, Volker Wang, Q. Daniel Williams, Gwenllian M. Xu, Fengwei Zhang, Suinan |
| contents | We present data from the ALMA Central Molecular Zone Exploration Survey (ACES) Large Program, which provides broad spectral-line and 3 mm continuum coverage of the Central Molecular Zone (CMZ) at a spatial resolution of 0.1 pc. The survey delivers homogeneous, wide-field mosaics that enable direct comparisons of the physical and chemical conditions across diverse environments in the Galactic center. In this data release paper, we present the CS(2-1), SO(2_3-1_2), CH3CHO(5_1,4-4_1,3), HC3N(11-10), and H40a lines observed simultaneously within two broad spectral windows. These lines reveal pronounced spatial and chemical variations across the CMZ, tracing distinct components of molecular gas, shock-affected regions, and ionized structures. The high angular resolution and multi-line capability of the ACES dataset make it a powerful resource for future studies of gas dynamics, star formation activity, and the physical connection between the CMZ and Sgr A*. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_00863 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | ALMA Central molecular zone Exploration Survey (ACES) V: CS(2-1), SO(2_3-1_2), CH3CHO(5_1,4-4_1,3), HC3N(11-10), and H40a lines data Hsieh, Pei-Ying Walker, Daniel L. Ginsburg, Adam Barnes, Ashley T. Lu, Xing Sánchez-Monge, Álvaro Gramze, Savannah R. Budaiev, Nazar Pound, Marc W. Pineda, Jaime E. Cook, Claire Henshaw, Jonathan D. Immer, Katharina Issac, Namitha Jeff, Desmond Liang, Fu-Heng Longmore, Steven N. Mills, Elisabeth A. C. Martín, Sergio Pan, Xing Pillai, Thushara G. S. Zhang, Qizhou Bally, John Battersby, Cara Colzi, Laura Ho, Paul T. P. Jiménez-Serra, Izaskun Kruijssen, J. M. Diederik Petkova, Maya Sormani, Mattia C. Tress, Robin G. Wallace, Jennifer Armijos-Abendaño, J. Armillotta, Lucia Bijas, N. Budhathoki-Chhetrya, Rojita Busch, Laura A. Butterfield, Natalie O. Chevance, Mélanie Díaz-Rodríguez, Ana Karla Federrath, Christoph Fedriani, Rubén García, Pablo Gu, Qi-Lao Houghton, Rebecca J. Hu, Yue Karoly, Janik Klessen, Ralf S. Krumholz, Mark R. Mazoochi, Farideh Nogueras-Lara, Francisco Paré, Dylan Riquelme-Vásquez, Denise Rivilla, Víctor M. Santa-Maria, Miriam G. Schmiedeke, Anika Sofue, Yoshiaki Tolls, Volker Wang, Q. Daniel Williams, Gwenllian M. Xu, Fengwei Zhang, Suinan Astrophysics of Galaxies We present data from the ALMA Central Molecular Zone Exploration Survey (ACES) Large Program, which provides broad spectral-line and 3 mm continuum coverage of the Central Molecular Zone (CMZ) at a spatial resolution of 0.1 pc. The survey delivers homogeneous, wide-field mosaics that enable direct comparisons of the physical and chemical conditions across diverse environments in the Galactic center. In this data release paper, we present the CS(2-1), SO(2_3-1_2), CH3CHO(5_1,4-4_1,3), HC3N(11-10), and H40a lines observed simultaneously within two broad spectral windows. These lines reveal pronounced spatial and chemical variations across the CMZ, tracing distinct components of molecular gas, shock-affected regions, and ionized structures. The high angular resolution and multi-line capability of the ACES dataset make it a powerful resource for future studies of gas dynamics, star formation activity, and the physical connection between the CMZ and Sgr A*. |
| title | ALMA Central molecular zone Exploration Survey (ACES) V: CS(2-1), SO(2_3-1_2), CH3CHO(5_1,4-4_1,3), HC3N(11-10), and H40a lines data |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2603.00863 |