LSXPS J174039.4-290406

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J174039.4-290406 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 3.6′ away.

Detection flag:: Good
Total exposure:: 8.2 ks
RA (J2000):: 17^h 40^m 39.42^s=265.1642°
Dec (J2000):: -29° 04′ 06.3″=-29.0684°
Err₉₀:: 4.1′′(XRT+2MASS)
l:: +359° 19′ 01.8″=359.3172°
b:: +00° 51′ 13.4″=+0.8537°
Mean count rate: 4 (+5, -4) ×10^-4 ct s^-1
Galactic N_H: 9.9×10²¹ cm^-2
HRs: HR1=-0.1 (+0.4, -0.9)
HR2=0.729 (+0.271, +0.027)
Observed between:: 2005-09-03 07:00 and 2025-05-20 20:42
Present in:: 83 datasets (total)
25 datasets (with blind detections)
26 datasets (count-rate detections)
External catalogue matches:: 4
Search Vizier | Simbad.
LSXPS ID: 531723

Nearest neighbour

LSXPS J174022.9-290347 — 3.6′ away

Nearest 'OK' neighbour

LSXPS J174022.9-290347 — 3.6′ 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)	4 (+5, -4) ×10^-4	0.00 (+2.87, -0.00) ×10^-4	0.00 (+2.00, -0.00) ×10^-4	7 (+5, -4) ×10^-4
Peak rate (ct s^-1)	1.2 (+0.9, -0.7) ×10^-3	0.00 (+2.87, -0.00) ×10^-4	0.00 (+2.00, -0.00) ×10^-4	2.1 (+2.0, -1.2) ×10^-2
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	N/A	< 1.25× 10^-3	< 1.01× 10^-3	N/A
Counts detected	9	1	0	8
BG counts	6.805	1.560	1.960	3.873
Corr fact	1.44	1.44	1.44	1.44
P_const,χ	0.28 (obs) 7.01×10^-2 (snapshot)	0.28 (obs) 1.00 (snapshot)	0.28 (obs) 1.00 (snapshot)	0.28 (obs) 2.73×10^-2 (snapshot)