Publication type: Refereed

  • Publication
    The ELAIS deep X-ray survey - I. Chandra source catalogue and first results
    We present an analysis of two deep (75 ks) Chandra observations of the European Large Area Infrared Space Observatory (ISO) Survey (ELAIS) fields N1 and N2 as...
  • Publication
    The Electrical Current Density Vector in the Inner Penumbra of a Sunspot
    We determine the entire electrical current density vector in a geometrical three-dimensional volume of the inner penumbra of a sunspot from an inversion of...
  • Publication
    The electron temperatures of SDSS high-metallicity giant extragalactic HII regions
    Spectra of high-metallicity [12+log(O/H) >~ 8.2] HII regions, where oxygen auroral lines are measurable in both the O+ and O++ zones, have been extracted from...
  • Publication
    The elemental abundance of quiescent galaxies in the LEGA-C survey: the (non-)evolution of [α/Fe] from z = 0.75 to z = 0
    We measure the [α/Fe] abundances for 183 quiescent galaxies at z = 0.60-0.75 with stellar masses ranging 10.4 ≤ log 10(M */M ⊙) ≤ 11.6 selected from the Large...
  • Publication
    The Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III
    The third generation of the Sloan Digital Sky Survey (SDSS-III) took data from 2008 to 2014 using the original SDSS wide-field imager, the original and an...
  • Publication
    The ELM Survey. I. A Complete Sample of Extremely Low-mass White Dwarfs
    We analyze radial velocity observations of the 12 extremely low-mass (ELM), with
  • Publication
    The ELM Survey. II. Twelve Binary White Dwarf Merger Systems
    We describe new radial velocity and X-ray observations of extremely low-mass white dwarfs (ELM WDs, ~0.2 M sun) in the Sloan Digital Sky Survey Data Release 4...
  • Publication
    The ELM Survey. III. A Successful Targeted Survey for Extremely Low Mass White Dwarfs
    Extremely low mass (ELM) white dwarfs (WDs) with masses 0.25 M &sun; are rare objects that result from compact binary evolution. Here, we present a targeted...
  • Publication
    The ELM Survey. IV. 24 White Dwarf Merger Systems
    We present new radial velocity and X-ray observations of extremely low mass (ELM, ~0.2 M &sun;) white dwarf (WD) candidates in the Sloan Digital Sky Survey Data...