Andrew Ptak
- The X‐Ray–derived Cosmological Star Formation History and the Galaxy X‐Ray Luminosity Functions in the Chandra Deep Fields North and South
2004/02/08 by Colin Norman, Andrew Ptak, A. Ptak +29 · 100 citations
Physics and Astronomy · #Astronomy #Astronomy and Astrophysical Research #Astrophysical Phenomena and Observations #Astrophysics #Galaxies: Formation, Evolution, Phenomena #Galaxy #Hubble Deep Field #Luminosity #Luminosity function #Optics #Physics #X-ray #astro-ph