LSXPS J174210.2-273511

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J174210.2-273511 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 61″ away.

Detection flag:: Poor
Total exposure:: 77 ks
RA (J2000):: 17^h 42^m 10.27^s=265.5428°
Dec (J2000):: -27° 35′ 11.1″=-27.5864°
Err₉₀:: 5.4′′(XRT+2MASS)
l:: +00° 45′ 06.0″=0.7517°
b:: +01° 21′ 14.8″=+1.3541°
Mean count rate: 0.00 (+1.89, -0.00) ×10^-4 ct s^-1
Galactic N_H: 8.6×10²¹ cm^-2
HRs: HR1=-0.2 (+0.5, -0.4)
HR2=0.3 (±0.4)
Observed between:: 2005-10-03 17:00 and 2025-06-19 17:56
Present in:: 123 datasets (total)
11 datasets (with blind detections)
12 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 630650

Nearest neighbour

LSXPS J174209.7-273535 — 25″ away

Nearest 'OK' neighbour

— 61″ 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 (+1.89, -0.00) ×10^-4	5.4 (+11.5, -5.4) ×10^-5	0.00 (+1.01, -0.00) ×10^-4	0.00 (+1.55, -0.00) ×10^-4
Peak rate (ct s^-1)	0.00 (+1.89, -0.00) ×10^-4	5.4 (+11.5, -5.4) ×10^-5	4.9 (+3.9, -2.6) ×10^-3	2.1 (+1.2, -1.1) ×10^-4
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	< 6.96× 10^-4	< 5.17× 10^-4	< 4.17× 10^-4	N/A
Counts detected	46	12	15	19
BG counts	51.34	10.42	20.92	20.23
Corr fact	2.65	2.65	2.65	2.65
P_const,χ	<10^-16 (obs) 1.01×10^-3 (snapshot)	<10^-16 (obs) 2.68×10^-5 (snapshot)	<10^-16 (obs) 4.43×10^-2 (snapshot)	<10^-16 (obs) 0.42 (snapshot)