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GRB 210413B — Source 3 (SWIFT J120902.1+560153)

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Image of the XRT detection

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

Image of the LC

Spectrum

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Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):12h 09m 02.19s (= 182.25912°)
Dec (J2000):+56° 01′ 53.5″ (= +56.0315°)
Error (radius, 90%):5.3″
Detection flag:Good
XRT exposure:4.3 ks (vignetting corrected)
Peak rate:4.9 (+1.6, -1.3) ×10-3 ct s-1
Peak flux:2.1 (+0.7, -0.6) ×10-13 erg cm-2 s-1
Mean rate:4.9 (+1.6, -1.3) ×10-3 ct s-1
Mean flux:2.1 (+0.7, -0.6) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.49 × 1022 cm-2
Γ 1.00
Database ID:556
Possible issues:
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 limit20.030 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - V* TY UMa is 2.6″ away.
High proper motion star?No.
Catalogue SearchCone search radius 15″ 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