LSXPS J174217.5-273558

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J174217.5-273558 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 26″ away and the nearest good/reasonable source is 17.8′ away.

Detection flag:: Good
Total exposure:: 86 ks
RA (J2000):: 17^h 42^m 17.56^s=265.5731°
Dec (J2000):: -27° 35′ 59.0″=-27.5997°
Err₉₀:: 4.6′′(XRT+2MASS)
l:: +00° 45′ 16.4″=0.7545°
b:: +01° 19′ 27.3″=+1.3242°
Mean count rate: 2.4 (+1.6, -1.5) ×10^-4 ct s^-1
Galactic N_H: 9.2×10²¹ cm^-2
HRs: HR1=0.30 (+0.34, -0.27)
HR2=-0.3 (±0.4)
Observed between:: 2005-10-03 17:00 and 2025-06-19 17:56
Present in:: 159 datasets (total)
47 datasets (with blind detections)
50 datasets (count-rate detections)
External catalogue matches:: 6
Search Vizier | Simbad.
LSXPS ID: 630717

Nearest neighbour

LSXPS J174219.0-273540 — 26″ away

Nearest 'OK' neighbour

LSXPS J174315.0-274821 — 17.8′ 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)	2.4 (+1.6, -1.5) ×10^-4	9 (+8, -7) ×10^-5	1.52 (+1.10, -0.99) ×10^-4	0.00 (+1.08, -0.00) ×10^-4
Peak rate (ct s^-1)	2.4 (+1.6, -1.5) ×10^-4	3.3 (+3.1, -1.9) ×10^-2	3.7 (+1.2, -1.1) ×10^-4	0.00 (+1.08, -0.00) ×10^-4
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 7.78× 10^-4	< 3.82× 10^-4	N/A	< 3.61× 10^-4
Counts detected	78	17	34	27
BG counts	65.68	12.29	26.16	27.69
Corr fact	1.67	1.67	1.67	1.67
P_const,χ	8.65×10^-3 (obs) 0.64 (snapshot)	8.65×10^-3 (obs) 6.54×10^-5 (snapshot)	8.65×10^-3 (obs) 0.88 (snapshot)	8.65×10^-3 (obs) 1.00 (snapshot)