GRB 230812B — Source 9 (SWIFT J163935.2+462114)

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Image | Exposure map

This source is detected in 3 blocks. Show all images.

Spectrum

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Source 7 has been manually confirmed as the GRB afterglow so these products are no longer updated.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):	16h 39m 35.23s (= 249.89681°)
Dec (J2000):	+46° 21′ 14.1″ (= +46.3539°)
Error (radius, 90%):	11.3″
Detection flag:	Poor
XRT exposure:	1291 s (vignetting corrected)
Peak rate:	7.1 (+3.8, -2.8) ×10^-3 ct s^-1
Peak flux:	3.1 (+1.7, -1.2) ×10^-13 erg cm^-2 s^-1
Mean rate:	7.1 (+3.8, -2.8) ×10^-3 ct s^-1
Mean flux:	3.1 (+1.7, -1.2) ×10^-13 erg cm^-2 s^-1
Has spectral fit?	No
Database ID:	1044
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	0.010 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?	Yes - [RGD2013] J163933.878+462111.805 is 14.2″ away.
High proper motion star?	No.
Catalogue Search	Cone search radius 33″ 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