Skip banner and navigation tools.

 |  site map

Einstein Probe trigger GRB 251023B
Source 2 (SWIFT J045410.5+124616)

Image of the XRT detection

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

Image of the LC

Spectrum

Image of the spectrum
Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):04h 54m 10.51s (= 73.54378°)
Dec (J2000):+12° 46′ 16.5″ (= +12.7712°)
Error (radius, 90%):5.4″
Detection flag:Good
XRT exposure:1767 s (vignetting corrected)
Peak rate:6.5 (+2.8, -2.2) ×10-3 ct s-1
Peak flux:2.81 (+1.21, -0.96) ×10-13 erg cm-2 s-1
Mean rate:6.5 (+2.8, -2.2) ×10-3 ct s-1
Mean flux:2.81 (+1.21, -0.96) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 7.50 × 1021 cm-2
Γ 8.35
Database ID:491
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
Rass upper limit20.031 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - UCAC4 514-009025 is 2.6″ away.
High proper motion star?Yes. UCAC4 514-009025
Catalogue SearchCone search radius 16″ 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