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| Mkn 421: Chandra 1st Order |
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| Dispersed Spectrum |
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| • | F(0.5-2
keV) > 0.1 Crab |
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| • | 4.5
Mcts!! |
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| • | ~
3000 ct/r.e., @ 21 Å |
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| Enough to detect (at > 3): |
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| EWAbs 2.5 mÅ, @ 21 Å |
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| Implying: |
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| NOVII 1015
cm-2 |
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| NH 1019 cm-2, for Z/Z = 0.1 |
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|
Path Lengths 1 Mpc, for |
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| =20 |
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| MSSL, 24-25
October 2002 |