Authors: Anke Arentsen, Else Starkenburg, Nicolas F. Martin, Vanessa Hill, Rodrigo A. Ibata, Andrea Kunder, Mathias Schultheis, K. A. Venn, Daniel B. Zucker, David Aguado, R. G. Carlberg, J. I. González Hernández, Carmela Lardo, Nicolas Longeard, Khyati Malhan, Julio F. Navarro, Rubén Sánchez-Janssen, Federico Sestito, G. F. Thomas, K. Youakim, Geraint F. Lewis, Jeffrey D. Simpson, Zhen Wan
Venue: Monthly Notices of the Royal Astronomical Society: Letters
Type: Publication
Abstract: Our Galaxy is known to contain a central boxy/peanut-shaped bulge, yet the importance of a classical, pressure-supported component within the central part of the Milky Way is still being debated. It should be most visible at low metallicity, a regime that has not yet been studied in detail. Using metallicity-sensitive narrow-band photometry, the Pristine Inner Galaxy Survey (PIGS) has collected a large sample of metal-poor ([Fe/H] < -1.0) stars in the inner Galaxy to address this open question. We use PIGS to trace the metal-poor inner Galax...
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Topics: 
Astrophysics
Astronomy
DOI:
10.1093/mnrasl/slz156
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