| A catalog of spectroscopically identified white dwarfs GP McCook, EM Sion The Astrophysical Journal Supplement Series 121 (1), 1, 1999 | 555 | 1999 |
| A Catalog of Spectroscopically Indentified White Dwarfs GP McCook, EM Sion ApJS 65, 603, 1987 | 296 | 1987 |
| A proposed new white dwarf spectral classification system EM Sion, JL Greenstein, JD Landstreet, J Liebert, HL Shipman, ... Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 269, June 1, 1983, p …, 1983 | 245 | 1983 |
| White dwarfs in cataclysmic variables EM Sion Publications of the Astronomical Society of the Pacific 111 (759), 532, 1999 | 219 | 1999 |
| A new look at the local white dwarf population JB Holberg, EM Sion, T Oswalt, GP McCook, S Foran, JP Subasavage The Astronomical Journal 135 (4), 1225, 2008 | 167 | 2008 |
| A determination of the local density of white dwarf stars JB Holberg, TD Oswalt, EM Sión The Astrophysical Journal 571 (1), 512, 2002 | 163 | 2002 |
| Anomalous ultraviolet line flux ratios in the cataclysmic variables 1RXS J232953. 9+ 062814, CE 315, BZ Ursae Majoris, and EY Cygni, observed with the hubble space telescope … BT Gänsicke, P Szkody, D de Martino, K Beuermann, KS Long, EM Sion, ... The Astrophysical Journal 594 (1), 443, 2003 | 139 | 2003 |
| Hubble Space Telescope spectroscopy of V471 Tauri: oversized K star, paradoxical white dwarf MS O’Brien, HE Bond, EM Sion The Astrophysical Journal 563 (2), 971, 2001 | 139 | 2001 |
| The space motions and luminosity function of white dwarf. EM Sion, J Liebert Astrophysical Journal, Vol. 213, p. 468-478 213, 468-478, 1977 | 127 | 1977 |
| Temperatures for hot and pulsating DB white dwarfs obtained with the IUE Observatory J Liebert, F Wesemael, CJ Hansen, G Fontaine, HL Shipman, EM Sion, ... Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 309, Oct. 1, 1986, p …, 1986 | 121 | 1986 |
| Far-ultraviolet spectroscopy of magnetic cataclysmic variables S Araujo-Betancor, BT Gänsicke, KS Long, K Beuermann, D de Martino, ... The Astrophysical Journal 622 (1), 589, 2005 | 119 | 2005 |
| A high-dispersion spectroscopic survey of the hot white Dwarfs: The IUE NEWSIPS SWP Echelle data set JB Holberg, MA Barstow, EM Sion The Astrophysical Journal Supplement Series 119 (2), 207, 1998 | 117 | 1998 |
| Hydrogen shell flashes in massive accreting white dwarfs EM Sion, MJ Acierno, S Tomczyk Astrophysical Journal, Part 1, vol. 230, June 15, 1979, p. 832-838. 230, 832-838, 1979 | 105 | 1979 |
| The white dwarfs within 20 parsecs of the sun: Kinematics and statistics EM Sion, JB Holberg, TD Oswalt, GP McCook, R Wasatonic The Astronomical Journal 138 (6), 1681, 2009 | 98 | 2009 |
| Cool metallic-line white dwarfs, radial velocities, and interstellar accretion PA Aannestad, SJ Kenyon, GL Hammond, EM Sion Astronomical Journal (ISSN 0004-6256), vol. 105, no. 3, p. 1033-1044. 105 …, 1993 | 97 | 1993 |
| The 25 parsec local white dwarf population JB Holberg, TD Oswalt, EM Sion, GP McCook Monthly Notices of the Royal Astronomical Society 462 (3), 2295-2318, 2016 | 96 | 2016 |
| Discovery of oxygen in the PG 1159 degenerate stars-A direct evolutionary link to O VI planetary nebula nuclei and confirmation of pulsation theory EM Sion, J Liebert, SG Starrfield Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 292, May 15, 1985, p …, 1985 | 95 | 1985 |
| Hubble Space Telescope Spectra of GW Librae: A Hot Pulsating White Dwarf in a Cataclysmic Variable P Szkody, BT Gänsicke, SB Howell, EM Sion The Astrophysical Journal 575 (2), L79, 2002 | 92 | 2002 |
| Kinematical tests of white dwarf formation channels and evolution EM Sion, ML Fritz, JP McMullin, MD Lallo Astronomical Journal (ISSN 0004-6256), vol. 96, July 1988, p. 251-274. 96 …, 1988 | 92 | 1988 |
| Effective temperatures of cataclysmic-variable white dwarfs as a probe of their evolution AF Pala, BT Gänsicke, D Townsley, D Boyd, MJ Cook, D De Martino, ... Monthly Notices of the Royal Astronomical Society 466 (3), 2855-2878, 2017 | 91 | 2017 |
