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Home > GRB products > GRB 180703A

TILED_GRB00070

NEWGRB

70

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GRB 180703A: Swift observation summary

Source 1 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 4 fields have been scheduled for observations. Data are available and processed for 5 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.

• 20797 — 531 s of cleaned data taken between 2018-07-04 01:42:07 and 2018-07-04 05:00:13
• 20798 — 468 s of cleaned data taken between 2018-07-04 01:45:25 and 2018-07-04 04:57:10
• 20799 — 539 s of cleaned data taken between 2018-07-04 01:48:43 and 2018-07-04 05:03:11
• 20800 — 428 s of cleaned data taken between 2018-07-04 01:51:53 and 2018-07-04 05:05:22
• 20801 — 4.6 ks of cleaned data taken between 2018-07-06 06:13:40 and 2018-07-06 22:15:36

Find an upper limit.

Sources found so far

So far 5 sources have been found in the XRT data. 1 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err901	Detection Flag2	Dist from LAT pos	Exposure	Notes	Vizier
1 [details]	00h 25m 52.79s6.46995°	-67° 10′ 48.7″-67.18021°	4.8′′	Good	5.7′	5.6 ks
Mean XRT rate: 4.6 (±1.2) ×10-3 ct s-1 Peak XRT rate: 4.6 (±1.2) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.05 ct s-1 (XRT equiv count-rate) Mean XRT flux: 2.7 (±0.7) ×10-13 erg cm-1s-1 Peak XRT flux: 2.7 (±0.7) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum Expected serendipitous sources: ~0.7 [What is this?]
2 [details]	00h 23m 22.34s5.84306°	-67° 11′ 11.1″-67.18641°	6.2′′	Good	17.3′	428 s	Matches known X-ray source: 1RXS J002324.3-671101 (from ROSAT/RASSFSC), 15.2″ away.
Mean XRT rate: 2.46 (+1.10, -0.85) ×10-2 ct s-1 Peak XRT rate: 2.46 (+1.10, -0.85) ×10-2 ct s-1 RASS PSPC 3-σ upper limit: 0.10 ct s-1 (XRT equiv count-rate) Mean XRT flux: 6.3 (+2.8, -2.2) ×10-13 erg cm-1s-1 Peak XRT flux: 6.3 (+2.8, -2.2) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum Expected serendipitous sources: ~0.1 [What is this?]
3 [details]	00h 26m 20.38s6.58492°	-67° 19′ 00.7″-67.31687°	6.3′′	Good	13.7′	5.2 ks
Mean XRT rate: 1.6 (+0.8, -0.6) ×10-3 ct s-1 Peak XRT rate: 1.6 (+0.8, -0.6) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.06 ct s-1 (XRT equiv count-rate) Mean XRT flux: 3.1 (+1.6, -1.2) ×10-14 erg cm-1s-1 Peak XRT flux: 3.1 (+1.6, -1.2) ×10-14 erg cm-1s-1 Products: Light curve | Spectrum Expected serendipitous sources: ~2.7 [What is this?]
4 [details]	00h 24m 27.81s6.11587°	-67° 18′ 22.1″-67.30614°	5.0′′	Good	16.3′	4.6 ks
Mean XRT rate: 8.1 (±1.9) ×10-3 ct s-1 Peak XRT rate: 8.1 (±1.9) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.09 ct s-1 (XRT equiv count-rate) Mean XRT flux: 1.8 (±0.4) ×10-13 erg cm-1s-1 Peak XRT flux: 1.8 (±0.4) ×10-13 erg cm-1s-1 Products: Light curve | Spectrum Expected serendipitous sources: ~0.3 [What is this?]
5 [details]	00h 26m 43.72s6.68218°	-67° 07′ 30.9″-67.12526°	11.9′′	Reasonable	3.9′	5.6 ks
Mean XRT rate: 1.6 (+0.8, -0.6) ×10-3 ct s-1 Peak XRT rate: 1.6 (+0.8, -0.6) ×10-3 ct s-1 RASS PSPC 3-σ upper limit: 0.06 ct s-1 (XRT equiv count-rate) Mean XRT flux: 5.3 (+2.5, -2.0) ×10-14 erg cm-1s-1 Peak XRT flux: 5.3 (+2.5, -2.0) ×10-14 erg cm-1s-1 Products: Light curve | Spectrum Expected serendipitous sources: ~2.7 [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.

Image

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FITS image.

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Exposure map

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FITS exposure map.