Browsing Research publications by Author "Jones, H. R. A"

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    • A focus on L dwarfs with trigonometric parallaxes 

      Wang, Y.; Smart, R. L.; Shao, Z.; Jones, H. R. A; Marocco, F.; Luo, A.; Burgasser, A.; Zhong, J.; Du, B. (2018-05-14)
      We report new parallax measurements for ten L and early T type dwarfs, five of which have no previous published values, using observations over 3 years at the robotic Liverpool Telescope. The resulting parallaxes and proper ...

    • VIRAC: The VVV Infrared Astrometric Catalogue 

      Smith, L. C.; Lucas, P. W.; Kurtev, R.; Smart, R.; Minniti, D.; Borissova, J.; Jones, H. R. A; Zhang, Z. H.; Marocco, F.; Peña, C. Contreras; Gromadzki, M.; Kuhn, M. A.; Drew, J. E.; Pinfield, D. J.; Bedin, L.R. (2018-02-21)
      We present VIRAC version 1, a near-infrared proper motion and parallax catalogue of the VISTA Variables in the Via Lactea (VVV) survey for 312 587 642 unique sources averaged across all overlapping pawprint and tile images ...