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Home > GRB products > GRB 210802A

TILED_GRB00100

NEWGRB

100

/xrt_products

GRB 210802A: Swift observation summary

Source 7 has been manually confirmed as the GRB afterglow; data for this object are now available through the main GRB results area for this GRB.

About tiled field analysis.

So far 0 fields have been scheduled for observations. Data are available and processed for 4 of these. The list gives the exposure time used in source detection. If any individual sources were selected for follow-up observations, the source detection is not repeated for the follow up observations and the table below is not updated.

• 21456 — 1.2 ks of cleaned data taken between 2021-08-03 07:42:25 and 2021-08-03 08:04:34
• 21457 — 1.2 ks of cleaned data taken between 2021-08-03 08:58:34 and 2021-08-03 09:20:46
• 21458 — 1.7 ks of cleaned data taken between 2021-08-03 09:20:49 and 2021-08-03 10:43:12
• 21459 — 1.1 ks of cleaned data taken between 2021-08-03 10:43:16 and 2021-08-03 11:04:23

Probable afterglow details

A source was found which matches the afterglow criteria.

#	RA (J2000)	Dec (J2000)	Err901	Detection Flag2	Dist from LAT pos	Exposure	Notes	Vizier
7 [details]	15h 22m 53.48s230.72285°	+29° 54′ 06.5″29.90180°	3.5′′	Good	9.8′	1.2 ks	The source is 4.1-σ above the 2SXPS limit.
Mean XRT rate: 1.9 (±0.5) ×10-2 ct s-1 Peak XRT rate: 1.9 (±0.5) ×10-2 ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (XRT equiv count-rate) Mean XRT flux: 6.4 (±1.5) ×10-13 erg cm-1s-1 Peak XRT flux: 6.4 (±1.5) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum | Enhanced position Expected serendipitous sources: ~0.2 [What is this?]

¹ Radius, 90% confidence.
² Indicates how likely the source is to be real. See the 1SXPS documentation.
^* The position was enhanced using astrometry derived from the Swift UVOT.
^† The position was astrometrically corrected using the XRT sources and the 2MASS catalogue.

Find an upper limit.

Sources found so far

So far 33 sources have been found in the XRT data. 7 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err901	Detection Flag2	Dist from LAT pos	Exposure	Notes	Vizier
1 [details]	15h 22m 51.69s230.71538°	+29° 39′ 16.4″29.65456°	8.7′′	Poor	15.0′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)
2 [details]	15h 23m 05.11s230.77131°	+29° 23′ 21.0″29.38917°	8.8′′	Poor	28.2′	1.7 ks
Mean XRT rate: 1.11 (+1.70, -0.83) ×10-3 ct s-1 Peak XRT rate: 1.11 (+1.70, -0.83) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate) Products: Light curve
3 [details]	15h 23m 13.91s230.80794°	+29° 22′ 59.5″29.38321°	10.1′′	Poor	28.2′	1.7 ks
Mean XRT rate: 9.7 (+15.1, -7.4) ×10-4 ct s-1 Peak XRT rate: 9.7 (+15.1, -7.4) ×10-4 ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate) Products: Light curve
4 [details]	15h 23m 19.56s230.83151°	+29° 28′ 34.1″29.47615°	8.9′′	Reasonable	22.5′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (XRT equiv count-rate)
5 [details]	15h 24m 06.97s231.02905°	+29° 49′ 33.2″29.82589°	3.5′′	Good	6.8′	1.2 ks	Matches known X-ray source: 4XMM J152406.9+294935 (from XMM-NEWTON/XMMSSC), 3.3″ away. Matches SIMBAD source: 2MASS J15240691+2949353, 3.3″ away.
Mean XRT rate: 2.5 (±0.5) ×10-2 ct s-1 Peak XRT rate: 2.5 (±0.5) ×10-2 ct s-1 RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (XRT equiv count-rate) Mean XRT flux: 9.2 (±1.9) ×10-13 erg cm-1s-1 Peak XRT flux: 9.2 (±1.9) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum | Enhanced position Expected serendipitous sources: ~0.2 [What is this?]
6 [details]	15h 22m 38.39s230.65997°	+29° 30′ 55.0″29.51529°	8.5′′	Poor	23.5′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (XRT equiv count-rate)
7 [details]	15h 22m 53.48s230.72285°	+29° 54′ 06.5″29.90180°	3.5′′	Good	9.8′	1.2 ks	The source is 4.1-σ above the 2SXPS limit.
Mean XRT rate: 1.9 (±0.5) ×10-2 ct s-1 Peak XRT rate: 1.9 (±0.5) ×10-2 ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (XRT equiv count-rate) Mean XRT flux: 6.4 (±1.5) ×10-13 erg cm-1s-1 Peak XRT flux: 6.4 (±1.5) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum | Enhanced position Expected serendipitous sources: ~0.2 [What is this?]
8 [details]	15h 24m 19.26s231.08025°	+29° 50′ 11.4″29.83649°	6.4′′	Poor	9.4′	1.2 ks
Mean XRT rate: 7.4 (+3.4, -2.7) ×10-3 ct s-1 Peak XRT rate: 7.4 (+3.4, -2.7) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.05 ct s-1 (XRT equiv count-rate) Mean XRT flux: 1.5 (+0.7, -0.6) ×10-13 erg cm-1s-1 Peak XRT flux: 1.5 (+0.7, -0.6) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum | Enhanced position Expected serendipitous sources: ~1.0 [What is this?]
9 [details]	15h 23m 18.13s230.82554°	+29° 46′ 27.8″29.77439°	3.8′′	Good	5.8′	1.2 ks	Matches known X-ray source: 4XMM J152317.9+294629 (from XMM-NEWTON/XMMSSC), 5.2″ away. Matches SIMBAD source: LAMOST J152317.95+294630.3, 6″ away.
Mean XRT rate: 1.0 (+0.4, -0.3) ×10-2 ct s-1 Peak XRT rate: 1.0 (+0.4, -0.3) ×10-2 ct s-1 RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (XRT equiv count-rate) Products: Light curve | Enhanced position Expected serendipitous sources: ~0.6 [What is this?]
10 [details]	15h 23m 30.06s230.87524°	+29° 23′ 13.0″29.38693°	8.2′′	Poor	27.6′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)
11 [details]	15h 22m 53.01s230.72087°	+29° 25′ 48.5″29.43013°	9.0′′	Poor	26.6′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)
12 [details]	15h 24m 26.06s231.10860°	+29° 59′ 52.8″29.99800°	10.6′′	Poor	14.2′	1.2 ks	Matches known X-ray source: 2E 1522.3+3010 (from EINSTEIN/IPC), 11″ away. Matches SIMBAD source: [RGD2013] J152424.797+295952.042, 16.4″ away.
Mean XRT rate: 5.3 (+3.3, -2.4) ×10-3 ct s-1 Peak XRT rate: 5.3 (+3.3, -2.4) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (XRT equiv count-rate) Products: Light curve | Spectrum Expected serendipitous sources: ~0.9 [What is this?]
13 [details]	15h 22m 45.00s230.68750°	+29° 31′ 57.8″29.53271°	6.2′′	Poor	21.8′	1.7 ks
Mean XRT rate: 7.4 (+3.0, -2.4) ×10-3 ct s-1 Peak XRT rate: 7.4 (+3.0, -2.4) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (XRT equiv count-rate) Mean XRT flux: 2.55 (+1.04, -0.82) ×10-13 erg cm-1s-1 Peak XRT flux: 2.55 (+1.04, -0.82) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum | Enhanced position Expected serendipitous sources: ~1.0 [What is this?]
14 [details]	15h 23m 09.90s230.79126°	+29° 40′ 50.4″29.68068°	9.5′′	Poor	11.4′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (XRT equiv count-rate)
15 [details]	15h 22m 53.60s230.72333°	+29° 28′ 30.6″29.47518°	8.5′′	Poor	24.1′	1.7 ks	This source may be affected by optical loading
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)
16 [details]	15h 23m 13.84s230.80768°	+29° 26′ 31.2″29.44199°	9.2′′	Poor	24.7′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)
17 [details]	15h 23m 09.74s230.79058°	+29° 24′ 13.5″29.40374°	9.8′′	Poor	27.1′	1.7 ks	This source may be affected by optical loading
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)
18 [details]	15h 22m 47.46s230.69774°	+29° 28′ 33.1″29.47586°	9.5′′	Poor	24.6′	1.7 ks
Mean XRT rate: 1.9 (+1.9, -1.2) ×10-3 ct s-1 Peak XRT rate: 1.9 (+1.9, -1.2) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate) Products: Light curve
19 [details]	15h 24m 11.87s231.04947°	+29° 54′ 13.1″29.90363°	9.4′′	Poor	8.5′	1.2 ks
Mean XRT rate: 3.7 (+2.9, -2.1) ×10-3 ct s-1 Peak XRT rate: 3.7 (+2.9, -2.1) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.08 ct s-1 (XRT equiv count-rate) Products: Light curve | Spectrum Expected serendipitous sources: ~0.4 [What is this?]
20 [details]	15h 23m 43.96s230.93318°	+29° 25′ 51.5″29.43098°	41.5′′	Poor	25.0′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)
21 [details]	15h 23m 15.42s230.81425°	+29° 39′ 30.9″29.65860°	9.1′′	Poor	12.1′	1.7 ks	Matches SIMBAD source: [RGD2013] J152314.879+293931.825, 7″ away.
Mean XRT rate: 6.5 (+12.6, -6.3) ×10-4 ct s-1 Peak XRT rate: 6.5 (+12.6, -6.3) ×10-4 ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (XRT equiv count-rate) Products: Light curve
22 [details]	15h 23m 38.42s230.91009°	+29° 58′ 24.9″29.97358°	47.5′′	Poor	7.7′	2.3 ks	Matches known X-ray source: 4XMM J152338.0+295825 (from XMM-NEWTON/XMMSSC), 4.4″ away. Matches SIMBAD source: [RGD2013] J152335.077+295751.405, 54.9″ away.
Mean XRT rate: 4.2 (+2.1, -1.6) ×10-3 ct s-1 Peak XRT rate: 4.2 (+2.1, -1.6) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (XRT equiv count-rate) Products: Light curve Expected serendipitous sources: ~0.6 [What is this?]
23 [details]	15h 22m 47.45s230.69772°	+29° 29′ 43.8″29.49549°	12.7′′	Poor	23.5′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)
24 [details]	15h 24m 23.05s231.09606°	+29° 54′ 11.4″29.90315°	10.7′′	Poor	10.8′	1.2 ks
Mean XRT rate: 5.3 (+3.2, -2.4) ×10-3 ct s-1 Peak XRT rate: 5.3 (+3.2, -2.4) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.06 ct s-1 (XRT equiv count-rate) Mean XRT flux: 2.08 (+1.26, -0.95) ×10-13 erg cm-1s-1 Peak XRT flux: 2.08 (+1.26, -0.95) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum
25 [details]	15h 22m 41.30s230.67207°	+29° 30′ 20.8″29.50577°	9.2′′	Poor	23.6′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (XRT equiv count-rate)
26 [details]	15h 23m 10.63s230.79427°	+29° 23′ 46.4″29.39622°	9.5′′	Poor	27.5′	1.7 ks	This source may be affected by optical loading
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.03 ct s-1 (XRT equiv count-rate)
27 [details]	15h 23m 14.88s230.81198°	+29° 25′ 30.3″29.42508°	8.3′′	Poor	25.7′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)
28 [details]	15h 24m 16.80s231.07002°	+29° 51′ 38.5″29.86070°	9.8′′	Poor	8.9′	1.2 ks	This source may be affected by optical loading
Mean XRT rate: 6.9 (+3.4, -2.6) ×10-3 ct s-1 Peak XRT rate: 6.9 (+3.4, -2.6) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.06 ct s-1 (XRT equiv count-rate) Mean XRT flux: 2.60 (+1.28, -0.99) ×10-13 erg cm-1s-1 Peak XRT flux: 2.60 (+1.28, -0.99) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum Expected serendipitous sources: ~1.0 [What is this?]
29 [details]	15h 24m 04.60s231.01915°	+29° 52′ 50.5″29.88069°	16.9′′	Poor	6.5′	1.2 ks	Matches known X-ray source: 1RXS J152407.9+295253 (from ROSAT/RASSBSC), 43″ away.
Mean XRT rate: 4.6 (+2.9, -2.2) ×10-3 ct s-1 Peak XRT rate: 4.6 (+2.9, -2.2) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.0×100 ct s-1 (XRT equiv count-rate) Mean XRT flux: 5.6 (+3.6, -2.7) ×10-13 erg cm-1s-1 Peak XRT flux: 5.6 (+3.6, -2.7) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum Expected serendipitous sources: ~0.6 [What is this?]
30 [details]	15h 22m 52.31s230.71796°	+29° 28′ 04.5″29.46793°	8.8′′	Poor	24.6′	1.7 ks	This source may be affected by optical loading
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)
31 [details]	15h 24m 16.84s231.07015°	+29° 52′ 08.9″29.86913°	9.8′′	Poor	9.0′	1.2 ks	This source may be affected by optical loading
Mean XRT rate: 8 (+5, -4) ×10-3 ct s-1 Peak XRT rate: 8 (+5, -4) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.11 ct s-1 (XRT equiv count-rate) Mean XRT flux: 2.9 (+1.8, -1.3) ×10-13 erg cm-1s-1 Peak XRT flux: 2.9 (+1.8, -1.3) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum
32 [details]	15h 24m 18.20s231.07584°	+29° 50′ 58.8″29.84967°	16.6′′	Poor	9.2′	1.2 ks	This source may be affected by optical loading Matches SIMBAD source: [RGD2013] J152419.729+295107.129, 21.6″ away.
Mean XRT rate: 3.7 (+2.7, -2.0) ×10-3 ct s-1 Peak XRT rate: 3.7 (+2.7, -2.0) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.06 ct s-1 (XRT equiv count-rate) Products: Light curve
33 [details]	15h 23m 06.55s230.77731°	+29° 32′ 45.0″29.54583°	8.3′′	Poor	19.1′	1.7 ks
Mean XRT rate: undetermined ct s-1 Peak XRT rate: undetermined ct s-1 RASS PSPC 3-σ upper limit: 0.02 ct s-1 (XRT equiv count-rate)

¹ Radius, 90% confidence.
² Indicates how likely the source is to be real. See the 1SXPS documentation.
^* The position was enhanced using astrometry derived from the Swift UVOT.
^† The position was astrometrically corrected using the XRT sources and the 2MASS catalogue.

Image

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Exposure map

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FITS exposure map.