LSXPS J180731.1-200857

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J180731.1-200857 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 3.9′ away and the nearest good/reasonable source is 18.9′ away.

Detection flag:: Good
Total exposure:: 175 ks
RA (J2000):: 18^h 07^m 31.10^s=271.8796°
Dec (J2000):: -20° 08′ 58.0″=-20.1494°
Err₉₀:: 6.8′′(XRT+2MASS)
l:: +10° 05′ 42.3″=10.0951°
b:: +00° 07′ 05.7″=+0.1183°
Mean count rate: 8 (+5, -4) ×10^-4 ct s^-1
Galactic N_H: 1.1×10²² cm^-2
HRs: HR1=-0.20 (+0.30, -0.80)
HR2=0.69 (+0.31, -0.05)
Observed between:: and 2024-10-02 22:22
Present in:: 19 datasets (total)
1 datasets (with blind detections)
3 datasets (count-rate detections)
External catalogue matches:: 5
Search Vizier | Simbad.
LSXPS ID: 740441

Nearest neighbour

LSXPS J180747.6-200835 — 3.9′ away

Nearest 'OK' neighbour

LSXPS J180813.4-195255 — 18.9′ 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)	8 (+5, -4) ×10^-4	9.6 (+27.5, -9.6) ×10^-5	0.00 (+2.59, -0.00) ×10^-4	7 (+5, -4) ×10^-4
Peak rate (ct s^-1)	8 (+5, -4) ×10^-4	9.6 (+27.5, -9.6) ×10^-5	0.00 (+2.59, -0.00) ×10^-4	1.3 (+0.8, -0.6) ×10^-3
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	< 2.64× 10^-3	< 1.33× 10^-3	< 1.10× 10^-3	N/A
Counts detected	10	2	1	7
BG counts	4.925	1.365	1.276	2.424
Corr fact	1.72	1.72	1.72	1.72
P_const,χ	0.96 (obs) 0.91 (snapshot)	0.96 (obs) 0.96 (snapshot)	0.96 (obs) 0.42 (snapshot)	0.96 (obs) 0.84 (snapshot)