LSXPS J174258.8-275144

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J174258.8-275144 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 25″ away and the nearest good/reasonable source is 4.0′ away.

Detection flag:: Poor, but may be affected by, or due to, stray light.
Total exposure:: 83 ks
RA (J2000):: 17^h 42^m 58.87^s=265.7453°
Dec (J2000):: -27° 51′ 44.8″=-27.8625°
Err₉₀:: 5.3′′(XRT+2MASS)
l:: +00° 36′ 40.6″=0.6113°
b:: +01° 03′ 23.1″=+1.0564°
Mean count rate: 1.9 (+1.7, -1.6) ×10^-4 ct s^-1
Galactic N_H: 9.5×10²¹ cm^-2
HRs: HR1=0.1 (+0.4, -0.3)
HR2=-0.0 (+0.4, -0.3)
Observed between:: 2005-10-03 17:00 and 2025-06-19 17:56
Present in:: 138 datasets (total)
37 datasets (with blind detections)
38 datasets (count-rate detections)
External catalogue matches:: 9
Search Vizier | Simbad.
LSXPS ID: 1081919

Nearest neighbour

LSXPS J174257.2-275158 — 25″ away

Nearest 'OK' neighbour

LSXPS J174300.6-275544 — 4.0′ 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)	1.9 (+1.7, -1.6) ×10^-4	1.2 (+0.9, -0.8) ×10^-4	8 (+9, -8) ×10^-5	0.00 (+1.29, -0.00) ×10^-4
Peak rate (ct s^-1)	5.6 (+3.3, -2.5) ×10^-3	1.3 (+0.9, -0.8) ×10^-4	2.9 (+1.2, -1.0) ×10^-4	3.2 (+2.0, -1.5) ×10^-3
Detected?	Yes	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	N/A	< 4.83× 10^-4	< 4.34× 10^-4
Counts detected	87	19	31	37
BG counts	77.79	13.29	27.14	38.40
Corr fact	1.74	1.74	1.74	1.74
P_const,χ	6.33×10^-15 (obs) 9.69×10^-4 (snapshot)	6.33×10^-15 (obs) 4.97×10^-2 (snapshot)	6.33×10^-15 (obs) 0.89 (snapshot)	6.33×10^-15 (obs) 2.04×10^-13 (snapshot)