School of Physics & Astronomy

| site map

Home
About
The Swift Mission UK involvement Instruments
GRBs before Swift GRBs in the Swift era Non-GRB science with Swift GRB research at Leicester
Spacecraft status Swift in the press Swift Videos
Support
Helpdesk TOO requests Guest Investigator program Target visibility checker Search transient database
Data Access
Overview Quick Look GCN Notices Download obs data Search obs catalogue The 2SXPS catalogue The LSXPS catalogue
Data Analysis
Data analysis overview Swift software
Build XRT products
BAT data analysis guide XRT data analysis guide XRT digest UVOT data analysis guide
Data Products
GRBs Full dataset Swift XRT products for GRBs XRT positions XRT light curves XRT spectra XRT GRB catalogue XRT GRB images Burst analyser Prompt data GRB field info XRT prompt analysis External triggers Einstein Probe follow up SVOM follow up Neutrino follow up Gravitational Wave follow up
Publications
Publication index Published papers Submitted papers XRT instrument papers ATels GCNs Conferences
Links
Databases NED Simbad GCN circulars archive GRB data table Software & Tools Swift Software (HEASoft) Xanadu WebPIMMS Institutional Swift Sites GSFC PSU OAB SSDC MSSL University of Leicester

LSXPS J173817.0-265939

[Spectral/flux information | Temporal information | External catalogue matches | Detections | Non-detections ]

Total | Soft | Medium | Hard | Exposure

Postage stamp image of LSXPS J173817.0-265939

This image is 160 pixels (=6.3′ to a side).
LSXPS J173817.0-265939 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 13″ away.

Detection flag:: Good
Total exposure:: 10 ks
RA (J2000):: 17^h 38^m 17.05^s=264.5710°
Dec (J2000):: -26° 59′ 39.2″=-26.9942°
Err₉₀:: 1.1′′(XRT+2MASS)
l:: +00° 47′ 45.0″=0.7958°
b:: +02° 24′ 01.1″=+2.4003°
Mean count rate: 5.80 (±0.04) ct s^-1
Galactic N_H: 6.9×10²¹ cm^-2
HRs: HR1=0.884 (±0.015)
HR2=0.352 (±0.007)
Observed between:: 2006-05-22 18:59 and 2025-05-29 23:19
Present in:: 21 datasets (total)
19 datasets (with blind detections)
19 datasets (count-rate detections)
Possible aliases: LSXPS J173816.7-265925
External catalogue matches:: 3
Search Vizier | Simbad.
LSXPS ID: 321895

Nearest neighbour

LSXPS J173817.5-265927 — 13″ away

Nearest 'OK' neighbour

LSXPS J173816.7-265925 — 13″ away

Build custom products for this source.

Spectral / Flux information

Hide spectral section.

Temporal Information

Hide temporal section.

Band	Total (0.3—10 keV)	Soft (0.3—1 keV)	Medium (1—2 keV)	Hard (2—10 keV)
Mean rate (ct s^-1)	5.80 (±0.04)	0.110 (±0.006)	1.778 (±0.021)	3.710 (±0.030)
Peak rate (ct s^-1)	20.6 (±0.6)	0.52 (+0.12, -0.10)	6.6 (±0.5)	12.8 (±0.4)
Detected?	Yes	Yes	Yes	Yes
3 σ UL (ct s^-1)	N/A	N/A	N/A	N/A
Counts detected	23167	457	7487	15712
BG counts	94.67	24.14	88.61	62.71
Corr fact	2.78	2.81	2.66	2.62
P_const,χ	<10^-16 (obs) <10^-16 (snapshot)	<10^-16 (obs) <10^-16 (snapshot)	<10^-16 (obs) <10^-16 (snapshot)	<10^-16 (obs) <10^-16 (snapshot)

One bin per observation

Total | Soft | Medium | Hard | HR1 | HR2

X-axis: Non-detections:

Show bin markers? Include flagged bins?

Consolidate aliases?

Include which aliases: Shrink
LSXPS J173816.7-265925:

Show plot axis controls or click to zoom [more].

Data file | Enlarge.

One bin per snapshot

Total | Soft | Medium | Hard | HR1 | HR2

X-axis: Non-detections:

Show bin markers? Include flagged bins?

Consolidate aliases?

Include which aliases: Shrink
LSXPS J173816.7-265925:

Show plot axis controls or click to zoom [more].

Data file | Enlarge.

External Catalogue matches

Hide external catalogue section.

Working....

Detections

Hide detections section.

Non-detections

Hide non-detections section.

Data for your light curve

LSXPS J173817.0-265939 — , per- binning.