LSXPS J174028.4-285952

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J174028.4-285952 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 3.2′ away and the nearest good/reasonable source is 4.0′ away.

Detection flag:: Reasonable, but may be affected by, or due to, stray light.
Total exposure:: 19 ks
RA (J2000):: 17^h 40^m 28.45^s=265.1185°
Dec (J2000):: -28° 59′ 53.0″=-28.9980°
Err₉₀:: 6.2′′(XRT+2MASS)
l:: +359° 21′ 20.4″=359.3557°
b:: +00° 55′ 29.8″=+0.9249°
Mean count rate: 0.00 (+6.42, -0.00) ×10^-4 ct s^-1
Galactic N_H: 9.8×10²¹ cm^-2
HRs: HR1=-0.2 (+0.4, -0.8)
HR2=0.648 (+0.352, +0.016)
Observed between:: and 2025-05-20 20:42
Present in:: 85 datasets (total)
15 datasets (with blind detections)
16 datasets (count-rate detections)
External catalogue matches:: 1
Search Vizier | Simbad.
LSXPS ID: 412375

Nearest neighbour

LSXPS J174023.8-285649 — 3.2′ away

Nearest 'OK' neighbour

LSXPS J174015.6-290241 — 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)	0.00 (+6.42, -0.00) ×10^-4	0.00 (+3.24, -0.00) ×10^-4	0.00 (+2.31, -0.00) ×10^-4	4 (+5, -4) ×10^-4
Peak rate (ct s^-1)	0.00 (+6.42, -0.00) ×10^-4	0.00 (+3.24, -0.00) ×10^-4	0.00 (+2.31, -0.00) ×10^-4	3.3 (+2.5, -1.7) ×10^-2
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	< 2.36× 10^-3	< 1.43× 10^-3	< 1.17× 10^-3	N/A
Counts detected	8	1	0	7
BG counts	8.925	1.753	2.308	5.147
Corr fact	1.66	1.66	1.66	1.66
P_const,χ	0.74 (obs) 0.23 (snapshot)	0.74 (obs) 8.40×10^-2 (snapshot)	0.74 (obs) 1.00 (snapshot)	0.74 (obs) 0.25 (snapshot)