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Home > GRB products > ToO GRBs > GRB 160422A
00020605
TOO
GRB 160422A: Swift observation summary
Mission: Fermi/LAT GRB RA: 42.050° GRB Dec: -57.900° GRB Err: 4.2 arcmin T0: 2016-04-22 11:58:43 UT Galactic: 277.39° -53.05° Galactic NH : 2.17× 1020 cm-2 Galactic E(B-V): 0.0241928
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 ToO field analysis .
Probable afterglow details
A source was found which matches the afterglow criteria.
#
RA (J2000)
Dec (J2000)
Err90 1
Detection2
Dist from
Exposure
Notes
Vizier
1 details ]02h 48m 22.74s 42.09473° -57° 52′ 32.6″ -57.87571° 3.6′′
Good
2.0′
4.1 ks
The source is fading.
Mean XRT rate: 5.2 (±0.4) ×10-2 ct s-1
Peak XRT rate: 7.2 (±1.9) ×10-2 ct s-1
RASS PSPC 3-σ upper limit: 0.06 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.068 (±0.005) ct s-1
Peak XRT rate converted to PSPC: 0.094 (±0.024) ct s-1 Mean XRT flux: 1.58 (±0.12) ×10-12 erg cm-1 s-1
Peak XRT flux: 2.2 (±0.6) ×10-12 erg cm-1 s-1 Products: Light curve | Spectrum | Expected serendipitous sources: ~1.88×10-5 [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 7 sources have been found in the XRT data. 2 sources match catalogued sources.
#
RA (J2000)
Dec (J2000)
Err90 1
Detection2
Dist from
Exposure
Notes
Vizier
1 details ]02h 48m 22.74s 42.09473° -57° 52′ 32.6″ -57.87571° 3.6′′
Good
2.0′
4.1 ks
The source is fading.
Mean XRT rate: 5.2 (±0.4) ×10-2 ct s-1
Peak XRT rate: 7.2 (±1.9) ×10-2 ct s-1
RASS PSPC 3-σ upper limit: 0.06 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.068 (±0.005) ct s-1
Peak XRT rate converted to PSPC: 0.094 (±0.024) ct s-1 Mean XRT flux: 1.58 (±0.12) ×10-12 erg cm-1 s-1
Peak XRT flux: 2.2 (±0.6) ×10-12 erg cm-1 s-1 Products: Light curve | Spectrum | Expected serendipitous sources: ~1.88×10-5 [What is this? ]
2 details ]02h 47m 46.65s 41.94437° -58° 04′ 28.5″ -58.07459° 4.1′′
Good
11.0′
2.5 ks
A SIMBAD object matches this source's position: (Show )WISE J024746.49-580427.4, 2.3′′ away
Mean XRT rate: 3.4 (±0.3) ×10-2 ct s-1
Peak XRT rate: 5.4 (±1.4) ×10-2 ct s-1
RASS PSPC 3-σ upper limit: 0.08 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 0.059 (±0.005) ct s-1
Peak XRT rate converted to PSPC: 0.094 (±0.025) ct s-1 Mean XRT flux: 5.8 (±0.5) ×10-13 erg cm-1 s-1
Peak XRT flux: 9.4 (±2.5) ×10-13 erg cm-1 s-1 Products: Light curve | Spectrum | Expected serendipitous sources: ~2.53×10-4 [What is this? ]
3 details ]02h 48m 16.61s 42.06921° -57° 57′ 47.6″ -57.96321° 5.1′′
Good
3.8′
4.0 ks
Mean XRT rate: 4.5 (±0.9) ×10-3 ct s-1
Peak XRT rate: 5.4 (±1.4) ×10-3 ct s-1
RASS PSPC 3-σ upper limit: 0.09 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 6.4 (±1.3) ×10-3 ct s-1
Peak XRT rate converted to PSPC: 7.6 (±1.9) ×10-3 ct s-1 Mean XRT flux: 1.5 (±0.3) ×10-13 erg cm-1 s-1
Peak XRT flux: 1.7 (±0.4) ×10-13 erg cm-1 s-1 Products: Light curve | Spectrum | Expected serendipitous sources: ~7.12×10-4 [What is this? ]
4 details ]02h 48m 48.77s 42.20320° -57° 52′ 12.5″ -57.87014° 6.8′′
Good
5.2′
3.8 ks
Mean XRT rate: 3.6 (±1.1) ×10-3 ct s-1
Peak XRT rate: 4.6 (±2.0) ×10-3 ct s-1
RASS PSPC 3-σ upper limit: 0.05 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 6.9 (±2.2) ×10-3 ct s-1
Peak XRT rate converted to PSPC: 9 (±4) ×10-3 ct s-1 Mean XRT flux: 1.1 (±0.3) ×10-13 erg cm-1 s-1
Peak XRT flux: 1.4 (±0.6) ×10-13 erg cm-1 s-1 Products: Light curve | Spectrum | Expected serendipitous sources: ~1.58×10-3 [What is this? ]
5 details ]02h 49m 09.76s 42.29066° -57° 49′ 15.5″ -57.82098° 4.7′′
Good
9.0′
4.1 ks
A SIMBAD object matches this source's position: (Show )
Mean XRT rate: 2.8 (±1.1) ×10-3 ct s-1
Peak XRT rate: 2.8 (±1.1) ×10-3 ct s-1
RASS PSPC 3-σ upper limit: 0.08 ct s-1 (PSPC count-rate) Products: Light curve | Spectrum | Expected serendipitous sources: ~7.15×10-3 [What is this? ]
6 details ]02h 49m 21.59s 42.33996° -57° 48′ 01.6″ -57.80045° 11.7′′
Good
11.0′
3.7 ks
Mean XRT rate: 4.8 (±1.0) ×10-3 ct s-1
Peak XRT rate: 5.2 (±1.3) ×10-3 ct s-1
RASS PSPC 3-σ upper limit: 0.07 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 4.7 (±1.0) ×10-3 ct s-1
Peak XRT rate converted to PSPC: 5.1 (±1.3) ×10-3 ct s-1 Mean XRT flux: 1.9 (±0.4) ×10-13 erg cm-1 s-1
Peak XRT flux: 2.1 (±0.5) ×10-13 erg cm-1 s-1 Products: Light curve | Spectrum | Expected serendipitous sources: ~4.54×10-3 [What is this? ]
7 details ]02h 47m 41.67s 41.92364° -58° 01′ 28.1″ -58.02448° 5.5′′
Reasonable
8.5′
4.1 ks
Mean XRT rate: 1.8 (±0.7) ×10-3 ct s-1
Peak XRT rate: 1.8 (±1.1) ×10-3 ct s-1
RASS PSPC 3-σ upper limit: 0.09 ct s-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 2.0 (±0.8) ×10-3 ct s-1
Peak XRT rate converted to PSPC: 2.0 (±1.2) ×10-3 ct s-1 Mean XRT flux: 7.0 (±2.8) ×10-14 erg cm-1 s-1
Peak XRT flux: 7 (±4) ×10-14 erg cm-1 s-1 Products: Light curve | Spectrum | Expected serendipitous sources: ~9.80×10-3 [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 .
Exposure map
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FITS exposure map .
