GRB 220921A — Source 3 (SWIFT J042828.1-404359)

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Image | Exposure map

This source is detected in 2 blocks. Show all images.

Spectrum

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Source 1 has been manually confirmed as the GRB afterglow so these products are no longer updated.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:	3: Uncatalogued X-ray source
RA (J2000):	04h 28m 28.12s (= 67.11717°)
Dec (J2000):	-40° 43′ 59.5″ (= -40.7332°)
Error (radius, 90%):	8.2″
Detection flag:	Good
XRT exposure:	702 s (vignetting corrected)
Peak rate:	0.010 (+0.007, -0.005) ct s^-1
Peak flux:	4.5 (+2.8, -2.0) ×10^-13 erg cm^-2 s^-1
Mean rate:	0.010 (+0.007, -0.005) ct s^-1
Mean flux:	4.5 (+2.8, -2.0) ×10^-13 erg cm^-2 s^-1
Has spectral fit?	No
Database ID:	932
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 limit²	0.018 ct s^-1
Obs rate/Rass UL	≤0 σ
Fading?	No (≤1-σ significance).
Near 2MASS source?	Yes, 2 matches. Show details.
Near SIMBAD source?	No.
High proper motion star?	No.
Catalogue Search	Cone search radius 24″ 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 assuming a generic AGN spectrum:N_H=3×10²⁰ cm^-2, Γ=1.7

2MASS objects near the source

Coordinate style:

ID	Position	Offset from XRT source	J	H	K