GRB 160409A: Swift observation summary

Mission:	Swift/BAT
GRB RA:	289.705°
GRB Dec:	-5.390°
GRB Err:	3.0 arcmin
T0:	2016-04-09 05:53:57 UT
Galactic:	31.22° -8.54°
Galactic N_H:	2.26× 10²¹ cm^-2
Galactic E(B-V):	0.5241063

Sun distance:	89.33°
Sun angle:	5.91 [hr] (West of Sun)
Moon distance:	114.65°
Visibility of this field.

About ToO field analysis.

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Sources found so far

So far 3 sources have been found in the XRT data. 2 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from Swift/BAT pos	Exposure	Notes
1 [details]	19h 18m 47.68s289.69868°	-05° 14′ 15.2″-5.23756°	3.5′′	Good	9.2′	2.3 ks	The source is brighter than the RASS limit. 11 catalogued X-ray sources match this source's position: (Show) 'XMMSL1 J191847.8-051416' is 6.4′′ away, err (3-σ)=13.0′′ (XMM-NEWTON/XMMSLEWCLN) '1WGA J1918.7-0514' is 4.1′′ away, err (3-σ)=20.8′′ (ROSAT/WGACAT) '2RXP J191847.7-051417' is 4.8′′ away, err (3-σ)=32.1′′ (ROSAT/ROSPSPC) '2RXP J191846.1-051430' is 22.7′′ away, err (3-σ)=32.1′′ (ROSAT/ROSPSPC) '1RXS J191847.9-051414' is 9.3′′ away, err (3-σ)=40.1′′ (ROSAT/RASSBSC) '2E 1916.1-0519' is 6.4′′ away, err (3-σ)=49.7′′ (EINSTEIN/EINSTEIN2E) '2E 1916.1-0519' is 5.5′′ away, err (3-σ)=75.3′′ (EINSTEIN/IPC) '2E 1916.1-0519' is 12.6′′ away, err (3-σ)=76.4′′ (EINSTEIN/IPC) '2E 1916.1-0519' is 12.0′′ away, err (3-σ)=76.9′′ (EINSTEIN/EINSTEIN2E) '1WGA J1918.7-0514' is 21.1′′ away, err (3-σ)=80.1′′ (ROSAT/WGACAT) 'SAXWFC J1918.8-0514.9' is 43.1′′ away, err (3-σ)=134.6′′ (BEPPOSAX/SAXWFCCAT) A SIMBAD object matches this source's position: (Show) V* V1405 Aql, 7.5′′ away
Mean XRT rate: 6.00 (±0.17) ct s^-1 Peak XRT rate: 9.7 (±2.1) ct s^-1 RASS PSPC 3-σ upper limit: 3.44 ct s^-1 (PSPC count-rate) Mean XRT rate converted to PSPC: 4.87 (±0.14) ct s^-1 Peak XRT rate converted to PSPC: 7.8 (±1.7) ct s^-1 Mean XRT flux: 2.90 (±0.08) ×10^-10 erg cm^-1s^-1 Peak XRT flux: 4.7 (±1.0) ×10^-10 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
2 [details]	19h 18m 54.01s289.72504°	-05° 17′ 52.2″-5.29783°	5.4′′	Reasonable	5.7′	1.8 ks
Mean XRT rate: 0.00 (±0.00) ×10^-1 ct s^-1 Peak XRT rate: 0.00 (±0.00) ×10^-1 ct s^-1 RASS PSPC 3-σ upper limit: 0.67 ct s^-1 (PSPC count-rate) Products: Light curve \| Spectrum \| Expected serendipitous sources: ~1.35×10^-3 [What is this?]
3 [details]	19h 18m 50.30s289.70957°	-05° 24′ 55.4″-5.41538°	5.8′′	Good	1.5′	2.6 ks	3 catalogued X-ray sources match this source's position: (Show) '3XMM J191850.3-052500' is 3.0′′ away, err (3-σ)=3.0′′ (XMM-NEWTON/XMMSSC) '1WGA J1918.8-0525' is 3.7′′ away, err (3-σ)=20.8′′ (ROSAT/WGACAT) '2RXP J191850.2-052500' is 0.9′′ away, err (3-σ)=32.1′′ (ROSAT/ROSPSPC) A SIMBAD object matches this source's position: (Show) TYC 5138-1872-1, 4.6′′ away
Mean XRT rate: 3.0 (±1.4) ×10^-3 ct s^-1 Peak XRT rate: 3.0 (±1.4) ×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: 6.3 (±2.9) ×10^-3 ct s^-1 Peak XRT rate converted to PSPC: 6.3 (±2.9) ×10^-3 ct s^-1 Mean XRT flux: 7 (±3) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 7 (±3) ×10^-14 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~6.34×10^-4 [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.