EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 662 (June 2022) A&A, 662 (2022) A22 Full HTML
Open Access

Table 3.

X-ray spectral fit results.

Source Obs. Model Photon dof Fobserved (a) L (b)
name ID index (1021 cm−2) (1021 cm−2) (erg cm−2 s−1) (erg s−1)
J0453 0804550201 PL 0.85 1.0 13 6.5 × 1034
J0457 0804550101 PL 0.64 ± 0.03 0.85 < 0.17 0.98 388 1.83 ± 0.05 × 10−12 5.6 × 1035
J0457 0841660301 PL 0.63 ± 0.05 0.85 < 0.47 1.07 212 0.97 ± 0.03 × 10−12 2.9 × 1035
J0457 combined PL 0.64 ± 0.03 0.85 < 0.14 1.01 602 – –
J0524 0841320201 PL 0.54 1.24 248 3.9 × 1035
J0524 (c) 0841320201 highecut 0.54 1.06 246 3.9 × 1035
J0524 (d) 0841320201 fdcut 0.54 1.07 246 4.0 × 1035
J0524 (e) 0841320201 PL+BB 0.54 1.02 246 4.8 × 1035

Notes. Best-fit parameters using a model with absorbed power-law emission. Errors indicate 90% confidence ranges.

(a)

Fluxes are provided for the 0.2–10.0 keV band.

(b)

Source luminosities (0.2–10.0 keV) corrected for absorption, assuming a distance of 50 kpc (Pietrzyński et al. 2013). The Galactic foreground column density was taken from Dickey & Lockman (1990). Fluxes and luminosities are taken as mean of the values from the different EPIC instruments.

(c)

The PL is modified by an exponential cutoff (highecut in XSPEC) with cut-off energy at 6.5 keV, and a folding energy of 4.1 keV.

(d)

The PL is modified by a modified exponential cutoff (fdcut, see text) with cut-off energy at 9.3 keV, and a folding energy at 0.9 keV.

(e)

The spectral model includes an additional blackbody component with keV and a size of 460 m that accounts for ∼63% of the flux in the 0.2–10.0 keV band.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.