Skip banner and navigation tools.

 |  site map

GRB 250217C — Source 2 (SWIFT J080849.0+452905)

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 details
Rank/Classification: 4: Known X-ray Source
RA (J2000):08h 08m 49.02s (= 122.20424°)
Dec (J2000):+45° 29′ 05.8″ (= +45.4849°)
Error (radius, 90%):7.3″
Detection flag:Good
XRT exposure:559 s (vignetting corrected)
Peak rate:0.017 (+0.008, -0.006) ct s-1
Peak flux:7.2 (+3.4, -2.6) ×10-13 erg cm-2 s-1
Mean rate:0.017 (+0.008, -0.006) ct s-1
Mean flux:7.2 (+3.4, -2.6) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 8.60 × 1021 cm-2
Γ 6.07
Database ID:1336
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 J080850.0+452851 in the ROSAT/RASSFSC catalogue.
Cat. rate1:0.030 (±0.012) ct s-1
Cat. flux2:3.3 (±1.4) ×10-13 erg cm-2 s-1
Observed/Cat. flux0.0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - 2MASS J08084907+4529076 is 1.7″ away.
High proper motion star?No.
Catalogue SearchCone search radius 21″ 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