A Path to an All-Sky Survey with Roman
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arXiv
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| Format: | Preprint |
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2026
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| author | Han, Jiwon Jesse Chiti, Anirudh Chen, Kai-Feng Bechtol, Keith Bellini, Andrea Benjamin, Robert Bolton, Adam Bonaca, Ana Broughton, Alex Bulbul, Esra Clark, Susan Conroy, Charlie Cooray, Suchetha Crenshaw, John Franklin Daylan, Tansu Dey, Arjun Drlica-Wagner, Alex Eifler, Tim El-Badry, Kareem Feder, Richard M. Ferguson, Peter Fu, Shenming Gomez, Sebastian Hickox, Ryan Hirata, Christopher Honaker, Easton J. Huang, Xiaosheng Ji, Alexander P. Liu, Michael McKinnon, Kevin A. Mo, Geoffrey Mutlu-Pakdil, Burcin Price-Whelan, Adrian M. Savino, Alessandro Schlegel, David J. Shipp, Nora Strader, Jay Tarsitano, Federica Thob, Adrien C. R. Tran, Kim-Vy van der Marel, Roeland P. Wang, Feige Wechsler, Risa Weisz, Daniel R. Zaritsky, Dennis Zhang, Tianqing Anand, Shreya Amiri, Amirnezam Anand, Abhijeet Ashby, Matthew L. N. Ashmead, Finian Silva, Leandro Beraldo e Beverage, Aliza Blanton, Michael R. Brown, Warren R. Brown, Anthony G. A. Chakraborty, Priyanka Chiang, Yi-Kuan Diego, Jose M. Erkal, Denis Ferraro, Simone Galbany, Lluís Geha, Marla Gnedin, Oleg Y. Hernquist, Lars Hunt, Jason A. S. Ivanov, Valentin D. Kalari, Venu Kallivayalil, Nitya Kovács, András Kremer, Kyle Lan, Ting-Wen Leahy, Denis Li, Jiaxuan Minchev, Ivan Myung, GyuChul Nadler, Ethan O. Najita, Joan R. Ness, Melissa K. Nibauer, Jacob Pacucci, Fabio Parkinson, David Patel, Ekta Rich, R. Michael Ricci, Marina Rossi, Graziano Sarcevic, Nikolina Sarkar, Arnab Saydjari, Andrew K. Shafieloo, Arman Slepian, Zachary Sohn, Sangmo Tony Spergel, David N. Szabó, Róbert Williams, Christina C. Wu, John F. |
| author_facet | Han, Jiwon Jesse Chiti, Anirudh Chen, Kai-Feng Bechtol, Keith Bellini, Andrea Benjamin, Robert Bolton, Adam Bonaca, Ana Broughton, Alex Bulbul, Esra Clark, Susan Conroy, Charlie Cooray, Suchetha Crenshaw, John Franklin Daylan, Tansu Dey, Arjun Drlica-Wagner, Alex Eifler, Tim El-Badry, Kareem Feder, Richard M. Ferguson, Peter Fu, Shenming Gomez, Sebastian Hickox, Ryan Hirata, Christopher Honaker, Easton J. Huang, Xiaosheng Ji, Alexander P. Liu, Michael McKinnon, Kevin A. Mo, Geoffrey Mutlu-Pakdil, Burcin Price-Whelan, Adrian M. Savino, Alessandro Schlegel, David J. Shipp, Nora Strader, Jay Tarsitano, Federica Thob, Adrien C. R. Tran, Kim-Vy van der Marel, Roeland P. Wang, Feige Wechsler, Risa Weisz, Daniel R. Zaritsky, Dennis Zhang, Tianqing Anand, Shreya Amiri, Amirnezam Anand, Abhijeet Ashby, Matthew L. N. Ashmead, Finian Silva, Leandro Beraldo e Beverage, Aliza Blanton, Michael R. Brown, Warren R. Brown, Anthony G. A. Chakraborty, Priyanka Chiang, Yi-Kuan Diego, Jose M. Erkal, Denis Ferraro, Simone Galbany, Lluís Geha, Marla Gnedin, Oleg Y. Hernquist, Lars Hunt, Jason A. S. Ivanov, Valentin D. Kalari, Venu Kallivayalil, Nitya Kovács, András Kremer, Kyle Lan, Ting-Wen Leahy, Denis Li, Jiaxuan Minchev, Ivan Myung, GyuChul Nadler, Ethan O. Najita, Joan R. Ness, Melissa K. Nibauer, Jacob Pacucci, Fabio Parkinson, David Patel, Ekta Rich, R. Michael Ricci, Marina Rossi, Graziano Sarcevic, Nikolina Sarkar, Arnab Saydjari, Andrew K. Shafieloo, Arman Slepian, Zachary Sohn, Sangmo Tony Spergel, David N. Szabó, Róbert Williams, Christina C. Wu, John F. |
| contents | A deep, space-based, all-sky near-infrared survey carried out with the Nancy Grace Roman Space Telescope would constitute a foundational astronomical infrastructure for decades to come. In this white paper, we present a concrete and feasible path to imaging the entire sky at $\sim0.1''$ resolution, beginning with high-impact fields in Cycle 1 and scaling to ultra-wide coverage within the nominal mission. This first-epoch survey will reach $\mathrm{H}\sim25.5$ AB mag (5$σ$) and maximize synergies with contemporaneous observatories, while preserving substantial time for other ambitious Roman programs. We outline representative scheduling scenarios and an example Cycle 1 program that triples early Roman-LSST overlap and delivers high-value community data products such as LSST forced photometry, joint \textit{Gaia}-Roman astrometry, and catalogs of Galactic substructure, stong lenses, and other rare systems. The Cycle 1 program will lay the foundation for an eventual all-sky survey, while also delivering high-impact early science. We invite broad community participation in shaping and carrying out both the initial program and the long-term vision of an all-sky Roman survey. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_21280 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A Path to an All-Sky Survey with Roman Han, Jiwon Jesse Chiti, Anirudh Chen, Kai-Feng Bechtol, Keith Bellini, Andrea Benjamin, Robert Bolton, Adam Bonaca, Ana Broughton, Alex Bulbul, Esra Clark, Susan Conroy, Charlie Cooray, Suchetha Crenshaw, John Franklin Daylan, Tansu Dey, Arjun Drlica-Wagner, Alex Eifler, Tim El-Badry, Kareem Feder, Richard M. Ferguson, Peter Fu, Shenming Gomez, Sebastian Hickox, Ryan Hirata, Christopher Honaker, Easton J. Huang, Xiaosheng Ji, Alexander P. Liu, Michael McKinnon, Kevin A. Mo, Geoffrey Mutlu-Pakdil, Burcin Price-Whelan, Adrian M. Savino, Alessandro Schlegel, David J. Shipp, Nora Strader, Jay Tarsitano, Federica Thob, Adrien C. R. Tran, Kim-Vy van der Marel, Roeland P. Wang, Feige Wechsler, Risa Weisz, Daniel R. Zaritsky, Dennis Zhang, Tianqing Anand, Shreya Amiri, Amirnezam Anand, Abhijeet Ashby, Matthew L. N. Ashmead, Finian Silva, Leandro Beraldo e Beverage, Aliza Blanton, Michael R. Brown, Warren R. Brown, Anthony G. A. Chakraborty, Priyanka Chiang, Yi-Kuan Diego, Jose M. Erkal, Denis Ferraro, Simone Galbany, Lluís Geha, Marla Gnedin, Oleg Y. Hernquist, Lars Hunt, Jason A. S. Ivanov, Valentin D. Kalari, Venu Kallivayalil, Nitya Kovács, András Kremer, Kyle Lan, Ting-Wen Leahy, Denis Li, Jiaxuan Minchev, Ivan Myung, GyuChul Nadler, Ethan O. Najita, Joan R. Ness, Melissa K. Nibauer, Jacob Pacucci, Fabio Parkinson, David Patel, Ekta Rich, R. Michael Ricci, Marina Rossi, Graziano Sarcevic, Nikolina Sarkar, Arnab Saydjari, Andrew K. Shafieloo, Arman Slepian, Zachary Sohn, Sangmo Tony Spergel, David N. Szabó, Róbert Williams, Christina C. Wu, John F. Instrumentation and Methods for Astrophysics Cosmology and Nongalactic Astrophysics Earth and Planetary Astrophysics Astrophysics of Galaxies High Energy Astrophysical Phenomena Solar and Stellar Astrophysics A deep, space-based, all-sky near-infrared survey carried out with the Nancy Grace Roman Space Telescope would constitute a foundational astronomical infrastructure for decades to come. In this white paper, we present a concrete and feasible path to imaging the entire sky at $\sim0.1''$ resolution, beginning with high-impact fields in Cycle 1 and scaling to ultra-wide coverage within the nominal mission. This first-epoch survey will reach $\mathrm{H}\sim25.5$ AB mag (5$σ$) and maximize synergies with contemporaneous observatories, while preserving substantial time for other ambitious Roman programs. We outline representative scheduling scenarios and an example Cycle 1 program that triples early Roman-LSST overlap and delivers high-value community data products such as LSST forced photometry, joint \textit{Gaia}-Roman astrometry, and catalogs of Galactic substructure, stong lenses, and other rare systems. The Cycle 1 program will lay the foundation for an eventual all-sky survey, while also delivering high-impact early science. We invite broad community participation in shaping and carrying out both the initial program and the long-term vision of an all-sky Roman survey. |
| title | A Path to an All-Sky Survey with Roman |
| topic | Instrumentation and Methods for Astrophysics Cosmology and Nongalactic Astrophysics Earth and Planetary Astrophysics Astrophysics of Galaxies High Energy Astrophysical Phenomena Solar and Stellar Astrophysics |
| url | https://arxiv.org/abs/2602.21280 |