LSXPS J174052.5-272355

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J174052.5-272355 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 24″ away.

Detection flag:: Good, but may be affected by optical loading.
Total exposure:: 18 ks
RA (J2000):: 17^h 40^m 52.60^s=265.2192°
Dec (J2000):: -27° 23′ 55.7″=-27.3988°
Err₉₀:: 2.0′′(XRT+2MASS)
l:: +00° 45′ 33.8″=0.7594°
b:: +01° 41′ 49.1″=+1.6970°
Mean count rate: 2.10 (+0.27, -0.25) ×10^-2 ct s^-1
Galactic N_H: 8.4×10²¹ cm^-2
HRs: HR1=-0.921 (+0.019, -0.079)
HR2=-0.1 (+0.5, -0.6)
Observed between:: and 2024-10-29 16:49
Present in:: 109 datasets (total)
2 datasets (with blind detections)
19 datasets (count-rate detections)
Possible aliases: LSXPS J174052.4-272344
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 382203

Nearest neighbour

LSXPS J174052.8-272330 — 24″ away

Nearest 'OK' neighbour

LSXPS J174052.8-272330 — 24″ 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)	2.10 (+0.27, -0.25) ×10^-2	2.07 (+0.26, -0.24) ×10^-2	2.6 (+6.3, -2.6) ×10^-4	0.00 (+7.63, -0.00) ×10^-4
Peak rate (ct s^-1)	5.6 (+3.0, -2.2) ×10^-2	5.7 (+3.0, -2.2) ×10^-2	2.6 (+6.3, -2.6) ×10^-4	0.00 (+7.63, -0.00) ×10^-4
Detected?	Yes	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	N/A	< 2.97× 10^-3	< 2.79× 10^-3
Counts detected	84	76	4	4
BG counts	9.585	2.600	3.091	4.053
Corr fact	3.39	3.39	3.39	3.39
P_const,χ	<10^-16 (obs) 9.67×10^-9 (snapshot)	<10^-16 (obs) 1.70×10^-8 (snapshot)	<10^-16 (obs) 1.45×10^-2 (snapshot)	<10^-16 (obs) 0.69 (snapshot)