GRB 170209A: Swift observation summary

Mission:	IPN
GRB RA:	110.780°
GRB Dec:	-52.246°
GRB Err:	60 arcsec
T0:	2017-02-09 01:08:19 UT
Galactic:	263.68° -16.58°
Galactic N_H:	8.43× 10²⁰ cm^-2
Galactic E(B-V):	0.1656397

Sun distance:	107.56°
Sun angle:	9.86 [hr](East of Sun)
Moon distance:	70.32°
Visibility of this field.

Data analysed so far:

ObsID: 00020739001 with 5.0 ks exposure.

About ToO analysis.

Find an upper limit.

Sources found so far

So far 4 sources have been found in the XRT data. 0 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from IPN pos	Exposure
1 [details]	07h 21m 59.68s110.49866°	-52° 17′ 30.3″-52.29176°	6.0′′	Good	10.7′	5.0 ks
Mean XRT rate: 2.90 (+1.19, -0.94) ×10^-3 ct s^-1 Peak XRT rate: 2.90 (+1.19, -0.94) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.02 ct s^-1 (XRT equiv count-rate) Products: Light curve \| Expected serendipitous sources: ~0.9 [What is this?] Note: this is extragalactic sources only, whereas the GRB trigger is at b=-16.58°
2 [details]	07h 22m 57.70s110.74041°	-52° 04′ 39.6″-52.07767°	6.0′′	Good	10.2′	5.0 ks
Mean XRT rate: 4.6 (+1.4, -1.1) ×10^-3 ct s^-1 Peak XRT rate: 4.6 (+1.4, -1.1) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.01 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 3.0 (+0.9, -0.8) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 3.0 (+0.9, -0.8) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Expected serendipitous sources: ~0.4 [What is this?] Note: this is extragalactic sources only, whereas the GRB trigger is at b=-16.58°
3 [details]	07h 22m 44.20s110.68418°	-52° 13′ 44.5″-52.22903°	2.4′′	Good	3.7′	5.0 ks
Mean XRT rate: 9.6 (±1.9) ×10^-3 ct s^-1 Peak XRT rate: 9.6 (±1.9) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 4.0 (±0.8) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 4.0 (±0.8) ×10^-13 erg cm^-1s^-1 Products: Light curve \| Spectrum \| Enhanced position \| Expected serendipitous sources: ~1.75×10^-2 [What is this?] Note: this is extragalactic sources only, whereas the GRB trigger is at b=-16.58°
4 [details]	07h 23m 46.54s110.94391°	-52° 17′ 37.1″-52.29365°	5.1′′	Good	6.7′	5.0 ks
Mean XRT rate: 2.1 (+1.0, -0.7) ×10^-3 ct s^-1 Peak XRT rate: 2.1 (+1.0, -0.7) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.03 ct s^-1 (XRT equiv count-rate) Products: Light curve \| Expected serendipitous sources: ~0.6 [What is this?] Note: this is extragalactic sources only, whereas the GRB trigger is at b=-16.58°

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.