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The Canada-France Imaging Survey: First results from the u-band component | Rodrigo Ibata
; Alan McConnachie
; Jean-Charles Cuillandre
; Nicholas Fantin
; Misha Haywood
; Nicolas F. Martin
; Piere Bergeron
; Volker Beckmann
; Edouard Bernard
; Piercarlo Bonifacio
; Elisabetta Caffau
; Raymond Carlberg
; Patrick Côté
; Rémi Cabanac
; Scott Chapman
; Pierre-Alain Duc
; Florence Durret
; Benoît Famaey
; Sébastien Frabbro
; Stephen Gwyn
; Francois Hammer
; Vanessa Hill
; Michael J. Hudson
; Ariane Lançon
; Geraint Lewis
; Khyati Malhan
; Paola di Matteo
; Henry McCracken
; Simona Mei
; Yannick Mellier
; Julio Navarro
; Sandrine Pires
; Chris Pritchet
; Celine Reylé
; Harvey Richer
; Annie C. Robin
; Rubén Sánchez Jannsen
; Marcin Sawicki
; Douglas Scott
; Vivien Scottez
; Kristine Spekkens
; Else Starkenburg
; Guillaume Thomas
; Kim Venn
; | Date: |
21 Aug 2017 | Abstract: | The Canada-France Imaging Survey (CFIS) will map the northern high Galactic
latitude sky in the $u$-band ("CFIS-u", 10,000$, {
m deg^2}$) and in the
$r$-band ("CFIS-r", 5,000$, {
m deg^2}$), enabling a host of stand-alone
science investigations, and providing some of the ground-based data necessary
for photometric redshift determination for the Euclid mission. In this first
contribution we present the $u$-band component of the survey, describe the
observational strategy, and discuss some first highlight results, based on
approximately one third of the final area. We show that the Galactic anticenter
structure is distributed continuously along the line of sight, out to beyond 20
kpc, and possesses a metallicity distribution that is essentially identical to
that of the outer disk sampled by APOGEE. This suggests that it is probably a
buckled disk of old metal-rich stars, rather than a stream or a flare. We also
discuss the future potential for CFIS-u in discovering star-forming dwarf
galaxies around the Local Group, the characterization of the white dwarf and
blue straggler population of the Milky Way, as well as its sensitivity to
low-surface brightness structures in external galaxies. | Source: | arXiv, 1708.6356 | Services: | Forum | Review | PDF | Favorites |
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