LSXPS J173914.3-275852

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J173914.3-275852 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 69″ away and the nearest good/reasonable source is 4.4′ away.

Detection flag:: Reasonable
Total exposure:: 21 ks
RA (J2000):: 17^h 39^m 14.33^s=264.8097°
Dec (J2000):: -27° 58′ 52.6″=-27.9813°
Err₉₀:: 4.2′′(XRT+2MASS)
l:: +00° 04′ 22.8″=0.0730°
b:: +01° 41′ 42.4″=+1.6951°
Mean count rate: 1.6 (+0.8, -0.7) ×10^-3 ct s^-1
Galactic N_H: 8.5×10²¹ cm^-2
HRs: HR1=-0.35 (+0.19, -0.65)
HR2=0.30 (+0.70, -0.21)
Observed between:: and 2025-05-20 20:42
Present in:: 79 datasets (total)
22 datasets (with blind detections)
23 datasets (count-rate detections)
External catalogue matches:: 3
Search Vizier | Simbad.
LSXPS ID: 824856

Nearest neighbour

LSXPS J173913.4-275743 — 69″ away

Nearest 'OK' neighbour

LSXPS J173908.1-280305 — 4.4′ 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)	1.6 (+0.8, -0.7) ×10^-3	8 (+5, -4) ×10^-4	2.1 (+3.7, -2.1) ×10^-4	5 (+5, -4) ×10^-4
Peak rate (ct s^-1)	4.0 (+3.0, -2.0) ×10^-2	4.1 (+3.0, -2.0) ×10^-2	2.1 (+3.7, -2.1) ×10^-4	5 (+5, -4) ×10^-4
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 2.86× 10^-3	< 1.92× 10^-3	< 2.43× 10^-3
Counts detected	14	6	3	5
BG counts	5.552	1.688	1.933	2.417
Corr fact	1.47	1.47	1.47	1.47
P_const,χ	2.46×10^-2 (obs) 4.05×10^-2 (snapshot)	2.46×10^-2 (obs) 1.05×10^-3 (snapshot)	2.46×10^-2 (obs) 0.32 (snapshot)	2.46×10^-2 (obs) 0.91 (snapshot)