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GRB 210827A — Source 7 (SWIFT J113942.3+555306)

Build custom XRT products for this source.

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

Back to list of objects in this field.

Source 3 has been manually confirmed as the GRB afterglow so these products are no longer updated.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):11h 39m 42.74s (= 174.92809°)
Dec (J2000):+55° 53′ 07.8″ (= +55.8855°)
Error (radius, 90%):2.3″ (enhanced position)
Detection flag:Good
XRT exposure:6.1 ks (vignetting corrected)
Peak rate:0.021 (±0.005) ct s-1
Peak flux:9.2 (±2.2) ×10-13 erg cm-2 s-1
Mean rate:0.0147 (±0.0019) ct s-1
Mean flux:6.3 (±0.8) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 3.12 × 1020 cm-2
Γ 2.00
Database ID:680
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 J113941.2+555254 in the ROSAT/RASSFSC catalogue.
Cat. rate1:0.046 (±0.014) ct s-1
Cat. flux2:9.2 (±2.7) ×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 J11394268+5553056 is 3.3″ away.
High proper motion star?No.
Catalogue SearchCone search radius 6″ 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