Abstract
The NASA Nancy Grace Roman Space Telescope (Roman) and the Vera C. Rubin
Observatory Legacy Survey of Space and Time (Rubin), will transform our view of
the wide-field sky, with similar sensitivities, but complementary in
wavelength, spatial resolution, and time domain coverage. Here we present
findings from the AURA Roman+Rubin Synergy Working group, charged by the STScI
and NOIRLab Directors to identify frontier science questions in General
Astrophysics, beyond the well-covered areas of Dark Energy and Cosmology, that
can be uniquely addressed with Roman and Rubin synergies in observing strategy,
data products and archiving, joint analysis, and community engagement. This
analysis was conducted with input from the community in the form of brief (1-2
paragraph) "science pitches" (see Appendix), and testimony from öutside
experts" (included as co-authors). We identify a rich and broad landscape of
potential discoveries catalyzed by the combination of exceptional quality and
quantity of Roman and Rubin data, and summarize implementation requirements
that would facilitate this bounty of additional science with coordination of
survey fields, joint coverage of the Galactic plane, bulge, and ecliptic,
expansion of General Investigator and Target of Opportunity observing modes,
co-location of Roman and Rubin data, and timely distribution of data, transient
alerts, catalogs, value-added joint analysis products, and simulations to the
broad astronomical community.
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