LSXPS J173940.1-282808

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J173940.1-282808 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 39″ away and the nearest good/reasonable source is 3.0′ away.

Detection flag:: Poor
Total exposure:: 12 ks
RA (J2000):: 17^h 39^m 40.12^s=264.9172°
Dec (J2000):: -28° 28′ 08.5″=-28.4690°
Err₉₀:: 6.9′′(Star trackers)
l:: +359° 42′ 36.9″=359.7102°
b:: +01° 21′ 19.6″=+1.3555°
Mean count rate: 1.8 (+11.7, -1.8) ×10^-4 ct s^-1
Galactic N_H: 8.9×10²¹ cm^-2
HRs: HR1=0.9322 (+0.0678, -0.0028)
HR2=-0.45 (+0.19, -0.55)
Observed between:: 2005-09-03 06:54 and 2025-05-20 20:50
Present in:: 96 datasets (total)
23 datasets (with blind detections)
32 datasets (count-rate detections)
External catalogue matches:: 8
Search Vizier | Simbad.
LSXPS ID: 1030170

Nearest neighbour

LSXPS J173937.2-282818 — 39″ away

Nearest 'OK' neighbour

LSXPS J173949.2-282554 — 3.0′ 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)	1.8 (+11.7, -1.8) ×10^-4	0.00 (+1.73, -0.00) ×10^-4	1.9 (+0.8, -0.7) ×10^-3	0.00 (+6.29, -0.00) ×10^-4
Peak rate (ct s^-1)	1.8 (+11.7, -1.8) ×10^-4	0.00 (+1.73, -0.00) ×10^-4	3.9 (+1.6, -1.3) ×10^-3	0.00 (+6.29, -0.00) ×10^-4
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 4.06× 10^-3	< 8.12× 10^-4	N/A	< 2.46× 10^-3
Counts detected	96	1	38	57
BG counts	94.53	3.316	21.80	66.62
Corr fact	1.45	1.45	1.45	1.45
P_const,χ	2.31×10^-4 (obs) 9.30×10^-6 (snapshot)	2.31×10^-4 (obs) 1.00 (snapshot)	2.31×10^-4 (obs) 0.99 (snapshot)	2.31×10^-4 (obs) 1.21×10^-6 (snapshot)