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Einstein Probe trigger GRB 251202A
Source 1 (SWIFT J080827.2+403646)

Image of the XRT detection

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

Image of the LC

Spectrum

Image of the spectrum

Enhanced position

Image of the UVOT image
Source details
Rank/Classification: 1: Transient source
RA (J2000):08h 08m 27.63s (= 122.11512°)
Dec (J2000):+40° 36′ 44.2″ (= +40.6123°)
Error (radius, 90%):2.4″ (enhanced position)
Detection flag:Good
XRT exposure:759 s (vignetting corrected)
Peak rate:1.04 (±0.18) ct s-1
Peak flux:4.5 (±0.8) ×10-11 erg cm-2 s-1
Mean rate:0.54 (±0.06) ct s-1
Mean flux:2.31 (±0.27) ×10-11 erg cm-2 s-1
The source is fading with 3.9-σ significance
Has spectral fit?Yes
NH 6.49 × 1020 cm-2
Γ 1.93
Database ID:626
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: OK (verified)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
Rass upper limit20.024 ct s-1
Obs rate/Rass UL5.5 σ
Fading? Yes (3.9-σ difference between at least one detection and a later detection or upper limit).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 7″ 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