Significant Populations, Lessons Learned from the Sagittarius Stream

E.A. Hyde, Stefan Keller, Daniel Zucker, Rodrigo A Ibata, A Siebert, G F Lewis, J Penarrubia, Mike Irwin, G Gilmore, Richard R. Lane, A Koch

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    Wrapping around the Milky Way, the Sagittarius dwarf galaxy and its associated stream form the dominant substructure in the halo. Through the use of spectroscopic and photometric selection criteria as well as statistical selection, we have identified 106 likely members of the Sagittarius stream. With this selection we found that the Sagittarius trailing arm exhibits a metallicity gradient, evolving from -0.59 Wdex to -0.97 dex over the stream. This selection technique is but one possibility for processing of the astronomical data and we note several possible future improvements.
    Original languageEnglish
    Title of host publicationAstronomical Data Analysis Software and Systems XXV, ASP Conference Series, Vol. 512
    EditorsN.P.F. Lorente, K. Shortridge, R. Wayth
    Place of PublicationMichigan
    PublisherAstronomical Society of the Pacific
    Pages301-305
    Edition1
    ISBN (Print)978-1-58381-909-8
    Publication statusPublished - 2017
    Event25th Annual Conference on Astronomical Data Analysis Software and Systems (ADASS XXV) - Sydney, Australia, Australia
    Duration: 1 Jan 2015 → …
    https://adsabs.harvard.edu/cgi-bin/nph-toc_query?journal=ASPC.&volume=512&fulltoc=YES

    Conference

    Conference25th Annual Conference on Astronomical Data Analysis Software and Systems (ADASS XXV)
    Country/TerritoryAustralia
    Period1/01/15 → …
    Other25-29 October 2015
    Internet address

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