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David J. Helfand

Identifiers

  • name variant David J. Helfand 0.60 · backfill

Papers (24)

  1. A New, Deep JVLA Radio Survey of M33 astro-ph.HE · 2019 · author #5
  2. The Last of FIRST: The Final Catalog and Source Identifications astro-ph.GA · 2015 · author #1
  3. The Nuclear Spectroscopic Telescope Array (NuSTAR) Mission astro-ph.IM · 2013 · author #67
  4. Variable Radio Sources in the Galactic Plane astro-ph.GA · 2010 · author #2
  5. The Chandra ACIS Survey of M33: X-ray, Optical and Radio Properties of the Supernova Remnants astro-ph.GA · 2010 · author #7
  6. A Comparison of X-ray and Mid-Infrared Selection of Obscured AGN astro-ph.CO · 2009 · author #5
  7. Active Galaxies in the Sloan Digital Sky Survey III: from quasars to radio galaxies? astro-ph.CO · 2009 · author #2
  8. Active Galaxies in the Sloan Digital Sky Survey II: galaxy and activity evolution astro-ph.CO · 2009 · author #2
  9. Active Galaxies in the Sloan Digital Sky Survey I: The Spectroscopically Unremarkable Population of the Local Universe astro-ph.CO · 2009 · author #2
  10. Signals from the Noise: Image Stacking for Quasars in the FIRST Survey astro-ph · 2006 · author #2
  11. Discovery of a z=6.1 Radio-Loud Quasar in the NDWFS astro-ph · 2006 · author #3
  12. MAGPIS: A Multi-Array Galactic Plane Imaging Survey astro-ph · 2005 · author #1
  13. A Radio Counterpart for the Unidentified TeV Source HESS J1813-178: The Radio-Gamma-Ray Connection astro-ph · 2005 · author #1
  14. New Catalogs of Compact Radio Sources in the Galactic Plane astro-ph · 2005 · author #3
  15. The Serendipitous Extragalactic X-Ray Source Identification (SEXSI) Program: I. Characteristics of the Hard X-Ray Sample astro-ph · 2003 · author #4
  16. An I-Band-Selected Sample of Radio-Emitting Quasars: Evidence for a Large Population of Red Quasars astro-ph · 2003 · author #2
  17. Chandra X-ray Imaging Spectroscopy of the Young Supernova Remnant Kesteven 75 astro-ph · 2002 · author #1
  18. New Constraints on Neutron Star Cooling from Chandra Observations of 3C58 astro-ph · 2002 · author #2
  19. Optical Counterparts for 70,000 Radio Sources: APM Identifications for the FIRST Radio Survey astro-ph · 2001 · author #3
  20. The FIRST Bright Quasar Survey III. The South Galactic Cap astro-ph · 2001 · author #9
  21. Long-term Optical Variability of Radio-Selected Quasars from the FIRST Survey astro-ph · 2000 · author #1
  22. The First FIRST Gravitationally Lensed Quasar: FBQ 0951+2635 astro-ph · 1997 · author #4
  23. Constraining Omega_0 With The Angular-Size Redshift Relation Of Double-Lobed Quasars In The FIRST Survey astro-ph · 1997 · author #2
  24. Discovery of an X-ray Synchrotron Nebula Associated with the Radio Pulsar PSR B1853+01 in the Supernova Remnant W44 astro-ph · 1996 · author #3

Mentions

  • 1301.7307 #67 · backfill · confidence 0.70 David J. Helfand
  • 1005.1572 #2 · backfill · confidence 0.70 David J. Helfand
  • 1002.1839 #7 · backfill · confidence 0.70 David J. Helfand
  • 0911.2448 #5 · backfill · confidence 0.70 David J. Helfand
  • 0904.0190 #2 · backfill · confidence 0.70 David J. Helfand
  • 0903.0634 #2 · backfill · confidence 0.70 David J. Helfand
  • 0902.1766 #2 · backfill · confidence 0.70 David J. Helfand

Frequent Coauthors