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GRB 150428C: Swift observation summary

Mission:MAXI
GRB RA:60.247°
GRB Dec:+67.818°
GRB Err:1.0 deg
T0:2015-04-28 08:24:12 UT
Galactic:139.39° +11.23°
Galactic NH:2.15× 1021 cm-2
Galactic E(B-V):0.725924
Sun distance:56.10°
Sun angle:1.66 [hr] (East of Sun)
Moon distance:84.80°
Visibility of this field.

About tiled field analysis.

So far 8 fields have been scheduled for observations. Data are available and processed for 7 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.

1 fields were processed but not included in the analysis. This is because, after standard processing and the removal of times contaminated by light reflected off the bright Earth, there was too little data (<100 s) for source detection to be performed.

Probable afterglow details

A source was found which matches the afterglow criteria.

# RA (J2000) Dec (J2000) Err901 Detection
Flag2
Dist from
MAXI pos
Exposure Notes Vizier
1
[details]
04h 02m 37.39s +67° 42′ 51.7″ 8.8′′ Good 11.2′ 466 s The source is fading.
The source is brighter than the RASS limit.
Vizier logo

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 2 sources have been found in the XRT data. 1 sources match catalogued sources.

# RA (J2000) Dec (J2000) Err901 Detection
Flag2
Dist from
MAXI pos
Exposure Notes Vizier
1
[details]
04h 02m 37.39s +67° 42′ 51.7″ 8.8′′ Good 11.2′ 466 s The source is fading.
The source is brighter than the RASS limit.
Vizier logo
2
[details]
04h 02m 08.32s +68° 01′ 23.9″ 5.8′′ Good 13.9′ 400 s A catalogued X-ray source matches this source's position: (Show) Vizier logo

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

FITS image.

Image of all observations processed so far

Exposure map

FITS exposure map.

Exposure map of all observations processed so far