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A Possible New Population of Sources with Extreme X-Ray/Optical Ratios
Koekemoer, Anton M., Alexander, D. M., Bauer, F. E., Bergeron, J., Brandt, W. N., Chatzichristou, E., Cristiani, S., Fall, S. M., Grogin, N. A., Livio, M., Mainieri, V., Moustakas, L. A., Padovani, P.Volume:
600
Language:
english
Journal:
The Astrophysical Journal
DOI:
10.1086/378181
Date:
January, 2004
File:
PDF, 365 KB
english, 2004