On the time variability of gamma-ray sources
Research output: Contribution to journal › Journal article › Research › peer-review
We present a Monte Carlo analysis of the recently introduced variability
indices $\tau$ (Tompkins 1999) and $I$ (Zhang et al. 2000 & Torres et al. 2001)
for $\gamma$-ray sources. We explore different variability criteria and prove
that these two indices, despite the very different approaches used to compute
them, are statistically correlated (5 to 7$\sigma$). This conclusion is
maintained also for the subset of AGNs and high latitude ($|b|>10$ deg)
sources, whereas the correlation is lowered for the low latitude ones, where
the influence of the diffuse galactic emission background is strong.
Original language | English |
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Journal | Astronomische Nachrichten |
Volume | 322 |
Issue number | 4 |
Pages (from-to) | 223-227 |
Number of pages | 4 |
ISSN | 0004-6337 |
DOIs | |
Publication status | Published - 30 Oct 2001 |
- astro-ph, gr-qc
Research areas
ID: 34382900