LSXPS J174052.3-274908

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J174052.3-274908 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 117″ away and the nearest good/reasonable source is 5.3′ away.

Detection flag:: Reasonable
Total exposure:: 5.5 ks
RA (J2000):: 17^h 40^m 52.32^s=265.2180°
Dec (J2000):: -27° 49′ 08.1″=-27.8189°
Err₉₀:: 5.3′′(XRT+2MASS)
l:: +00° 24′ 08.1″=0.4023°
b:: +01° 28′ 31.8″=+1.4755°
Mean count rate: 2.30 (+1.03, -0.86) ×10^-3 ct s^-1
Galactic N_H: 8.6×10²¹ cm^-2
HRs: HR1=0.1 (+0.9, -0.4)
HR2=0.55 (+0.45, -0.11)
Observed between:: 2005-09-03 07:00 and 2024-04-04 08:19
Present in:: 56 datasets (total)
1 datasets (with blind detections)
7 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 824954

Nearest neighbour

LSXPS J174057.3-274731 — 117″ away

Nearest 'OK' neighbour

LSXPS J174115.8-274814 — 5.3′ 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)	2.30 (+1.03, -0.86) ×10^-3	1.6 (+4.7, -1.6) ×10^-4	4 (+5, -3) ×10^-4	1.7 (+0.8, -0.7) ×10^-3
Peak rate (ct s^-1)	3.7 (+1.6, -1.3) ×10^-3	1.6 (+4.7, -1.6) ×10^-4	4 (+5, -3) ×10^-4	1.7 (+0.8, -0.7) ×10^-3
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: Yes
3 σ UL (ct s^-1)	N/A	< 2.27× 10^-3	< 2.66× 10^-3	< 4.71× 10^-3
Counts detected	13	2	3	8
BG counts	4.148	1.378	1.501	1.588
Corr fact	1.43	1.43	1.43	1.43
P_const,χ	0.33 (obs) 9.83×10^-2 (snapshot)	0.33 (obs) 0.12 (snapshot)	0.33 (obs) 0.59 (snapshot)	0.33 (obs) 0.76 (snapshot)