LSXPS J173843.7-275402

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J173843.7-275402 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 14″ away and the nearest good/reasonable source is 99″ away.

Detection flag:: Good
Total exposure:: 87 ks
RA (J2000):: 17^h 38^m 43.75^s=264.6823°
Dec (J2000):: -27° 54′ 02.4″=-27.9007°
Err₉₀:: 3.6′′(XRT+2MASS)
l:: +00° 04′ 52.5″=0.0813°
b:: +01° 50′ 00.0″=+1.8333°
Mean count rate: 2.5 (+1.5, -1.2) ×10^-3 ct s^-1
Galactic N_H: 8.4×10²¹ cm^-2
HRs: HR1=-0.64 (+0.10, -0.36)
HR2=0.41 (+0.59, -0.17)
Observed between:: and 2025-05-20 20:42
Present in:: 84 datasets (total)
24 datasets (with blind detections)
33 datasets (count-rate detections)
External catalogue matches:: 7
Search Vizier | Simbad.
LSXPS ID: 527931

Nearest neighbour

LSXPS J173843.6-275348 — 14″ away

Nearest 'OK' neighbour

LSXPS J173845.2-275540 — 99″ 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)	2.5 (+1.5, -1.2) ×10^-3	2.01 (+1.11, -0.86) ×10^-3	0.00 (+7.60, -0.00) ×10^-4	6 (+8, -6) ×10^-4
Peak rate (ct s^-1)	2.7 (+1.2, -1.0) ×10^-3	4.0 (+2.9, -2.0) ×10^-2	0.00 (+7.60, -0.00) ×10^-4	6 (+8, -6) ×10^-4
Detected?	Yes	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	N/A	< 3.02× 10^-3	< 4.27× 10^-3
Counts detected	14	7	2	5
BG counts	7.170	1.495	2.261	3.433
Corr fact	3.00	3.00	3.00	3.00
P_const,χ	4.31×10^-6 (obs) 0.24 (snapshot)	4.31×10^-6 (obs) 5.80×10^-5 (snapshot)	4.31×10^-6 (obs) 0.58 (snapshot)	4.31×10^-6 (obs) 0.77 (snapshot)