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Table 3.
Best-fit parameters of eRASSU J052914.9−662446 obtained from the simultaneous fitting of epochs 1–5 spectra (top), epoch 1, and the NuSTAR spectrum (bottom).
| Epoch | eROSITA survey | Power law | Fx(a) | LX(b) | ||
|---|---|---|---|---|---|---|
| – | – | index | 10−12 erg cm−2 s−1 | 1035 erg s−1 | ||
| 1 | eRASS0-eRASS1 | 1.7 |
5.1 |
|||
| 2 | eRASS1-eRASS2 | 1.5±0.3 | 4.5 |
|||
| 3 | eRASS2-eRASS3 | 0.28 ± 0.13 | 1.5±0.3 | 4.6 |
||
| 4 | eRASS3-eRASS4 | 0.8±0.2 | 2.5 |
|||
| 5 | eRASS4-eRASS5 | 1.2 |
3.7 |
|||
| eRASS + NuSTAR | Power law | Cutoff energy | NH tbpcf | CF | Fx(c) | LX(b) |
| – | index | keV | 1021 cm−2 | – | 10−12 erg cm−2 s−1 | 1035 erg s−1 |
| – |
 |
9.4 |
3.2 |
0.84 |
2.5±0.2 | 8.0±0.7 |
Notes.
The NH was fixed to the Galactic foreground value with solar abundances for the simultaneous eRASS spectral fit.
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