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GRB 250206A — Source 2 (SWIFT J150355.1-620429)

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Image of the XRT detection

This source is detected in 4 blocks. 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):15h 03m 55.16s (= 225.97982°)
Dec (J2000):-62° 04′ 29.2″ (= -62.0748°)
Error (radius, 90%):6.4″
Detection flag:Good
XRT exposure:453 s (vignetting corrected)
Peak rate:0.018 (+0.009, -0.007) ct s-1
Peak flux:7.9 (+3.9, -3.0) ×10-13 erg cm-2 s-1
Mean rate:0.018 (+0.009, -0.007) ct s-1
Mean flux:7.9 (+3.9, -3.0) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 7.92 × 1022 cm-2
Γ 1.82
Database ID:1324
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 J150354.7-620408 in the ROSAT/RASSFSC catalogue.
Cat. rate1:0.044 (±0.013) ct s-1
Cat. flux2:3.4 (±1.0) ×10-10 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 3 matches. Show details.
Near SIMBAD source?Yes - UCAC4 140-144660 is 5.4″ away.
High proper motion star?No.
Catalogue SearchCone search radius 19″ 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