Skip banner and navigation tools.

 |  site map

GRB 250217C — Source 1 (SWIFT J080923.1+450046)

Build custom XRT products for this source.

Image of the XRT detection

This source is detected in 3 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 09m 23.14s (= 122.34641°)
Dec (J2000):+45° 00′ 46.4″ (= +45.0129°)
Error (radius, 90%):6.9″
Detection flag:Good
XRT exposure:764 s (vignetting corrected)
Peak rate:0.010 (+0.005, -0.004) ct s-1
Peak flux:4.5 (+2.2, -1.7) ×10-13 erg cm-2 s-1
Mean rate:0.010 (+0.005, -0.004) ct s-1
Mean flux:4.5 (+2.2, -1.7) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 4.62 × 1020 cm-2
Γ 1.51
Database ID:1335
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 J080918.1+450029 in the ROSAT/RASSFSC catalogue.
Cat. rate1:0.055 (±0.019) ct s-1
Cat. flux2:2.2 (±0.7) ×10-12 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?No.
High proper motion star?No.
Catalogue SearchCone search radius 20″ 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