LSXPS J173958.8-282607

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J173958.8-282607 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 36″ away and the nearest good/reasonable source is 73″ away.

Detection flag:: Good
Total exposure:: 94 ks
RA (J2000):: 17^h 39^m 58.80^s=264.9950°
Dec (J2000):: -28° 26′ 07.5″=-28.4354°
Err₉₀:: 5.3′′(XRT+2MASS)
l:: +359° 46′ 30.4″=359.7751°
b:: +01° 18′ 55.3″=+1.3154°
Mean count rate: 0.00 (+7.95, -0.00) ×10^-4 ct s^-1
Galactic N_H: 9.5×10²¹ cm^-2
HRs: HR1=0.905 (+0.095, -0.009)
HR2=-0.63 (+0.13, -0.37)
Observed between:: and 2025-05-20 20:50
Present in:: 110 datasets (total)
23 datasets (with blind detections)
41 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 528045

Nearest neighbour

— 36″ away

Nearest 'OK' neighbour

LSXPS J174003.3-282650 — 73″ 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 (+7.95, -0.00) ×10^-4	0.00 (+1.82, -0.00) ×10^-4	1.6 (+0.7, -0.6) ×10^-3	0.00 (+3.53, -0.00) ×10^-4
Peak rate (ct s^-1)	0.00 (+7.95, -0.00) ×10^-4	0.00 (+1.82, -0.00) ×10^-4	4.4 (+1.7, -1.5) ×10^-3	7 (+5, -3) ×10^-3
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 2.78× 10^-3	< 8.08× 10^-4	N/A	< 1.56× 10^-3
Counts detected	76	2	34	40
BG counts	80.91	4.027	19.09	56.75
Corr fact	1.57	1.57	1.57	1.57
P_const,χ	2.57×10^-4 (obs) <10^-16 (snapshot)	2.57×10^-4 (obs) 1.00 (snapshot)	2.57×10^-4 (obs) 3.81×10^-2 (snapshot)	2.57×10^-4 (obs) 1.00 (snapshot)