LSXPS J173952.8-283054

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J173952.8-283054 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 7″ away and the nearest good/reasonable source is 55″ away.

Detection flag:: Poor
Total exposure:: 92 ks
RA (J2000):: 17^h 39^m 52.84^s=264.9702°
Dec (J2000):: -28° 30′ 54.6″=-28.5152°
Err₉₀:: 1.3′′(XRT+2MASS)
l:: +359° 41′ 45.3″=359.6959°
b:: +01° 17′ 29.3″=+1.2915°
Mean count rate: 0.00 (+7.76, -0.00) ×10^-3 ct s^-1
Galactic N_H: 9.5×10²¹ cm^-2
HRs: HR1=0.79 (+0.10, -0.06)
HR2=0.58 (+0.07, -0.06)
Observed between:: and 2025-05-20 20:50
Present in:: 91 datasets (total)
1 datasets (with blind detections)
1 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 528044

Nearest neighbour

LSXPS J173952.3-283050 — 7″ away

Nearest 'OK' neighbour

LSXPS J173954.0-283000 — 55″ 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 (+7.76, -0.00) ×10^-3	1.2 (+0.7, -0.6) ×10^-3	0.00 (+9.63, -0.00) ×10^-4	0.00 (+1.05, -0.00) ×10^-3
Peak rate (ct s^-1)	0.46 (±0.05)	1.2 (+0.7, -0.6) ×10^-3	0.15 (+0.05, -0.04)	0.41 (+0.08, -0.07)
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 7.76× 10^-3	< 3.48× 10^-3	N/A	< 5.03× 10^-3
Counts detected	1009	14	211	784
BG counts	1243	6.525	254.4	946.4
Corr fact	2.15	2.15	2.15	2.15
P_const,χ	0.00 (obs) <10^-16 (snapshot)	0.00 (obs) 0.59 (snapshot)	0.00 (obs) <10^-16 (snapshot)	0.00 (obs) <10^-16 (snapshot)