Roman Early-Definition Astrophysics Survey Opportunity: Galactic Roman Infrared Plane Survey (GRIPS)

Roberta Paladini, Catherine Zucker, Robert Benjamin, David Nataf, Dante Minniti, Gail Zasowski, Joshua Peek, Sean Carey, Lori Allen, Javier Alonso-Garcia, Joao Alves, Friederich Anders, Evangelie Athanassoula, Timothy C. Beers, Jonathan Bird, Joss Bland-Hwathorn, Anthony Brown, Sven Buder, Luca Casagrande, Andrew CaseySanti Cassisi, Marcio Catelan, Ranga-Ram Chary, Andre-Nicolas Chene, David Ciardi, Fernando Comeron, Roger Cohen, Thomas Dame, Ronald Drimmel, Jose Fernandez Trincado, Douglas Finkbeiner, Douglas Geisler, Mario Gennaro, Alyssa Goodman, Gregory Green, Gergely Hajdu, Calen Henderson, Joseph Hora, Valentin D. Ivanov, Davy Kirkpatrick, Chiaki Kobayashi, Michael Kuhn, Andres Kunder, Jessica Lu, Philip W. Lucas, Daniel Majaess, S. Thomas Megeath, Aaron Meisner, Sergio Molinari, Przemek Mroz, Meliss Ness, Nadine Neumayer, Francisco Nogueras-Lara, Alberto Noriega-Crespo, Radek Poleski, Hans-Walter Rix, Luisa Rebull, Henrique Reggiani, Marina Rejkuba, Roberto K. Saito, Ralph Schoenrich, Andrew Saydjari, Eugenio Schisano, Edward Schlafly, Keving Schlaufman, Leigh Smith, Joshua Speagle, Dan Wisz, Rosemary Wyse, Nadia Zakamska

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A wide-field near-infrared survey of the Galactic disk and bulge/bar(s) is supported by a large representation of the community of Galactic astronomers. The combination of sensitivity, angular resolution and large field of view make Roman uniquely able to study the crowded and highly extincted lines of sight in the Galactic plane. A ~1000 deg2 survey of the bulge and inner Galactic disk would yield an impressive dataset of ~120 billion sources and map the structure of our Galaxy. The effort would foster subsequent expansions in numerous dimensions (spatial, depth, wavelengths, epochs). Importantly, the survey would benefit from early defintion by the community, namely because the Galactic disk is a complex environment, and different science goals will require trade offs.
Original languageEnglish
Number of pages6
Publication statusPublished - 14 Jul 2023
EventRoman Project on October 22 2021 -
Duration: 22 Oct 202122 Oct 2021


ConferenceRoman Project on October 22 2021
Internet address


  • astro-ph.GA
  • astro-ph.IM


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