GRB 230512A — Source 4 (SWIFT J194048.5+383108)

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Image | Exposure map

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

Spectrum

Enhanced position

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Source details
Rank/Classification:	4: Known X-ray Source
RA (J2000):	19h 40m 48.56s (= 295.20232°)
Dec (J2000):	+38° 31′ 09.6″ (= +38.5193°)
Error (radius, 90%):	3.1″ (enhanced position)
Detection flag:	Good
XRT exposure:	2.3 ks (vignetting corrected)
Peak rate:	0.029 (±0.006) ct s^-1
Peak flux:	1.25 (±0.27) ×10^-12 erg cm^-2 s^-1
Mean rate:	0.029 (±0.005) ct s^-1
Mean flux:	1.26 (±0.20) ×10^-12 erg cm^-2 s^-1
Has spectral fit?	Yes
NH	3.53 × 10²¹ cm^-2
Γ	2.65
Database ID:	1022
Possible issues:
Optical Loading:	No warning (automatic)
Stray Light:	No warning (automatic)
Extended Emission:	Needs checking (automatic)
Catalogue information
Known X-ray emitter?	Yes - 1RXS J194049.3+383137 in the ROSAT/RASSFSC catalogue.
Cat. rate¹:	0.043 (±0.011) ct s^-1
Cat. flux²:	1.04 (±0.27) ×10^-12 erg cm^-2 s^-1
Observed/Cat. flux	0.7 σ
Fading?	No (≤1-σ significance).
Near 2MASS source?	Yes, 1 match. Show details.
Near SIMBAD source?	Yes - KOI-3725.01 is 2.8″ away.
Catalogue Search	Cone search radius 9″ 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

Coordinate style:

ID	Position	Offset from XRT source	J	H	K