LSXPS J174240.5-274439

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J174240.5-274439 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 14″ away and the nearest good/reasonable source is 33″ away.

Detection flag:: Reasonable, but may be affected by, or due to, stray light.
Total exposure:: 160 ks
RA (J2000):: 17^h 42^m 40.52^s=265.6688°
Dec (J2000):: -27° 44′ 39.1″=-27.7442°
Err₉₀:: 1.4′′(XRT+2MASS)
l:: +00° 40′ 34.6″=0.6763°
b:: +01° 10′ 34.1″=+1.1761°
Mean count rate: 0.00 (+4.50, -0.00) ×10^-3 ct s^-1
Galactic N_H: 0.0×10⁰ cm^-2
HRs: HR1=-1.0 (±2.0)
HR2=0.00 (±0.00)
Observed between:: and 2024-04-04 08:19
Present in:: 120 datasets (total)
1 datasets (with blind detections)
17 datasets (count-rate detections)
External catalogue matches:: 1
Search Vizier | Simbad.
LSXPS ID: 443414

Nearest neighbour

LSXPS J174240.4-274453 — 14″ away

Nearest 'OK' neighbour

LSXPS J174238.9-274412 — 33″ away

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This source is in a field with stray light; however, this should have been correctly handled.

Spectral / Flux information

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Temporal Information

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Band	Total (0.3—10 keV)	Soft (0.3—1 keV)	Medium (1—2 keV)	Hard (2—10 keV)
Mean rate (ct s^-1)	0.00 (+4.50, -0.00) ×10^-3	1.5 (±0.3) ×10^-3	0.00 (+2.20, -0.00) ×10^-3	0.00 (+3.88, -0.00) ×10^-3
Peak rate (ct s^-1)	1.91 (±0.04)	2.2 (+0.5, -0.4) ×10^-2	0.508 (±0.023)	1.38 (±0.04)
Detected?	Yes	Blind: No Retrospective: Yes	Yes	Yes
3 σ UL (ct s^-1)	N/A	< 2.52× 10^-3	N/A	N/A
Counts detected	37832	371	9018	28443
BG counts	39047	275.7	9266	28798
Corr fact	1.32	1.32	1.32	1.32
P_const,χ	1.00 (obs) <10^-16 (snapshot)	1.00 (obs) <10^-16 (snapshot)	1.00 (obs) <10^-16 (snapshot)	1.00 (obs) <10^-16 (snapshot)