LSXPS J174028.7-271140

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J174028.7-271140 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 3.5′ away and the nearest good/reasonable source is 7.5′ away.

Detection flag:: Good
Total exposure:: 7.7 ks
RA (J2000):: 17^h 40^m 28.75^s=265.1198°
Dec (J2000):: -27° 11′ 40.9″=-27.1947°
Err₉₀:: 5.5′′(XRT+2MASS)
l:: +00° 53′ 09.0″=0.8858°
b:: +01° 52′ 47.9″=+1.8800°
Mean count rate: 2.92 (+1.05, -0.90) ×10^-3 ct s^-1
Galactic N_H: 8.2×10²¹ cm^-2
HRs: HR1=0.55 (+0.45, -0.12)
HR2=-0.1 (±0.4)
Observed between:: 2006-05-22 19:06 and 2025-05-29 23:19
Present in:: 71 datasets (total)
6 datasets (with blind detections)
16 datasets (count-rate detections)
External catalogue matches:: 10
Search Vizier | Simbad.
LSXPS ID: 949156

Nearest neighbour

LSXPS J174033.7-270822 — 3.5′ away

Nearest 'OK' neighbour

LSXPS J174016.0-270441 — 7.5′ away

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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)	2.92 (+1.05, -0.90) ×10^-3	2.6 (+4.1, -2.6) ×10^-4	1.4 (+0.7, -0.6) ×10^-3	1.1 (+0.7, -0.5) ×10^-3
Peak rate (ct s^-1)	4.1 (+3.0, -2.0) ×10^-2	2.6 (+4.1, -2.6) ×10^-4	2.8 (+2.6, -1.6) ×10^-2	1.1 (+0.7, -0.5) ×10^-3
Detected?	Yes	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 2.18× 10^-3	N/A	< 3.63× 10^-3
Counts detected	20	3	9	8
BG counts	6.587	1.785	2.607	2.727
Corr fact	1.68	1.68	1.68	1.68
P_const,χ	5.05×10^-2 (obs) 2.89×10^-2 (snapshot)	5.05×10^-2 (obs) 0.78 (snapshot)	5.05×10^-2 (obs) 2.47×10^-2 (snapshot)	5.05×10^-2 (obs) 0.80 (snapshot)