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GRB 250211A — Source 1 (SWIFT J074728.8-523120)

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Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

Image of the spectrum

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Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):07h 47m 28.81s (= 116.87004°)
Dec (J2000):-52° 31′ 20.1″ (= -52.5222°)
Error (radius, 90%):7.7″
Detection flag:Good
XRT exposure:3.4 ks (vignetting corrected)
Peak rate:6.0 (+2.0, -1.6) ×10-3 ct s-1
Peak flux:2.6 (+0.9, -0.7) ×10-13 erg cm-2 s-1
Mean rate:6.0 (+2.0, -1.6) ×10-3 ct s-1
Mean flux:2.6 (+0.9, -0.7) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 2.27 × 1021 cm-2
Γ 2.84
Database ID:1327
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - 1RXS J074729.2-523121 in the ROSAT/RASSFSC catalogue.
Cat. rate1:10 (±4) ×10-3 ct s-1
Cat. flux2:1.8 (±0.8) ×10-13 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - 1RXS J074729.2-523121 is 3.8″ away.
High proper motion star?No.
Catalogue SearchCone search radius 23″ Vizier | Simbad | NED | X-ray master | LSXPS | 3XMM-DR5

Notes
All XRT count rates and fluxes are 0.3—10 keV
1Catalogued count-rates have been converted to XRT equivalents.
2Catalogued upper limits and fluxes have been converted to the XRT equivalent using the automatic power-law spectral fit described above.

2MASS objects near the source

ID Position Offset from
XRT source		 J H K