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GRB 200412B — Source 1 (SWIFT J182532.4+623408)

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

Enhanced position

Image of the UVOT image

Back to list of objects in this field.

Source 2 has been manually confirmed as the GRB afterglow so these products are no longer updated. The up-to-date data for the afterglow are now available through the main GRB results area for this GRB.

Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):18h 25m 32.84s (= 276.38682°)
Dec (J2000):+62° 34′ 12.6″ (= +62.5702°)
Error (radius, 90%):2.9″ (enhanced position)
Detection flag:Good
XRT exposure:707 s (vignetting corrected)
Peak rate:0.064 (±0.012) ct s-1
Peak flux:2.7 (±0.5) ×10-12 erg cm-2 s-1
Mean rate:0.064 (+0.012, -0.011) ct s-1
Mean flux:2.8 (±0.5) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 3.74 × 1021 cm-2
Γ 3.56
Database ID:358
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - XMMSL2 J182532.1+623418 in the XMM-NEWTON/XMMSLEWCLN catalogue.
Cat. rate1:3.3 (±1.2) ct s-1
Cat. flux2:2.0 (±0.7) ×10-11 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?Yes - RX J1825.5+6234 is 7.2″ away.
High proper motion star?No.
Catalogue SearchCone search radius 8″ 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