Orbital motion and multi-wavelength monitoring of LkCa15 b

Michael J. Ireland, Adam L. Kraus

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

    6 Citations (Scopus)

    Abstract

    As part of a deep multi-year non-redundant aperture mask infrared imaging campaign observing transition disks, we present multi-epoch monitoring of the resolved emission seen within the disk gap of LkCa 15. Orbital motion of both the central source and extended lobes as presented in Kraus and Ireland (2012) is clearly detected at the level of ~4 degrees/year (deprojected), in both K and L'-bands. Based on these data as well as single-epoch H and M bands epochs, we present two models for the central source - thermal emission as a planetary accretion signature and scattering. The thermal emission model is preferred.

    Original languageEnglish
    Title of host publicationExploring the Formation and Evolution of Planetary Systems
    EditorsMark Booth, Brenda C. Matthews, James R. Graham
    Place of PublicationCambridge
    PublisherCambridge University Press (CUP)
    Pages199-203
    Number of pages5
    ISBN (Print)9781107045200
    DOIs
    Publication statusPublished - 2013

    Publication series

    NameProceedings of the International Astronomical Union
    NumberS299
    Volume8
    ISSN (Print)1743-9213
    ISSN (Electronic)1743-9221

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