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Home All issues Volume 669 (January 2023) A&A, 669 (2023) A75 Full HTML

Table 3.

Characteristics of the four different X-ray phase.

X-ray phase Duration fX, soft (a) UV Radio
PX, drop 1st ≲2 weeks Sudden rise Non-detection
2nd ≲1 weeks < 1.5 × 10−13 Sudden rise …
3rd ≲1 weeks Sudden rise …
PX, faint 1st ≲3 months < 1.0 × 10−13 Bright Non-detection
2nd ≲3 months < 0.6 × 10−14 Bright …
PX, rise 1st ≳2 months ∼6.8 × 10−12 Rising, then decline Non-detection
2nd ≳1 months ∼2.0 × 10−12 … …
PX, plat 1st … ∼1.0 × 10−11 … …
2nd ∼2 months ∼2.3 × 10−12 Decline …
3rd ∼2 months ∼1.5 × 10−12 Plateau Rapid decline

Notes. Ellipsis dots mean that no observations or measurements are available.

(a)

fX, soft is the intrinsic 0.2 − 2.0 keV flux in units of erg cm−2 s−1. For the PX, plat phase, fX, soft denotes the average flux in the PX, plat phase.

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