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GRB 240225B — Source 2 (SWIFT J083303.6+272239)

Build custom XRT products for this source.

Image of the XRT detection

This source is detected in 2 blocks. Show all images.

Image of the LC

Spectrum

Image of the spectrum

Back to list of objects in this field.

Source 1 has been manually confirmed as the GRB afterglow so these products are no longer updated. The up-to-date data for the afterglow are now available through the main GRB results area for this GRB.

Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):08h 33m 03.67s (= 128.26528°)
Dec (J2000):+27° 22′ 39.0″ (= +27.3775°)
Error (radius, 90%):11.2″
Detection flag:Good
XRT exposure:574 s (vignetting corrected)
Peak rate:0.014 (+0.007, -0.006) ct s-1
Peak flux:6.0 (+3.2, -2.4) ×10-13 erg cm-2 s-1
Mean rate:0.014 (+0.007, -0.006) ct s-1
Mean flux:6.0 (+3.2, -2.4) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 3.99 × 1020 cm-2
Γ 1.57
Database ID:1129
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 J083303.3+272240 in the ROSAT/RASSFSC catalogue.
Cat. rate1:0.040 (±0.013) ct s-1
Cat. flux2:1.4 (±0.4) ×10-12 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?Yes - 1RXS J083303.3+272240 is 6.7″ away.
High proper motion star?No.
Catalogue SearchCone search radius 33″ 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