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GRB 200709B — Source 2 (SWIFT J164821.8+145711)

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Image of the XRT detection

This source is detected in 4 blocks. Show all images.

Image of the LC

Spectrum

Image of the spectrum

Enhanced position

Image of the UVOT image

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Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):16h 48m 21.95s (= 252.09144°)
Dec (J2000):+14° 57′ 17.1″ (= +14.9547°)
Error (radius, 90%):1.8″ (enhanced position)
Detection flag:Good
XRT exposure:3.7 ks (vignetting corrected)
Peak rate:0.082 (±0.021) ct s-1
Peak flux:3.5 (±0.9) ×10-12 erg cm-2 s-1
Mean rate:0.058 (±0.005) ct s-1
Mean flux:2.49 (±0.21) ×10-12 erg cm-2 s-1
The source is fading with 1.9-σ significance
Has spectral fit?Yes
NH 7.65 × 1020 cm-2
Γ 1.68
Database ID:396
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 J164821.6+145726 in the XMM-NEWTON/XMMSLEWCLN catalogue.
Cat. rate1:3.1 (±1.3) ct s-1
Cat. flux2:3.3 (±1.3) ×10-11 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? Maybe (1.9-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - [ZEH2003] RX J1648.3+1457 7 is 3.5″ away.
High proper motion star?No.
Catalogue SearchCone search radius 5″ 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