LSXPS J203759.5+415637

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203759.5+415637 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 95″ away.

Detection flag:: Poor
Total exposure:: 30 ks
RA (J2000):: 20^h 37^m 59.51^s=309.4980°
Dec (J2000):: +41° 56′ 37.3″=+41.9437°
Err₉₀:: 5.5′′(XRT+2MASS)
l:: +81° 15′ 34.1″=81.2595°
b:: +00° 27′ 25.3″=+0.4570°
Mean count rate: 6.3 (+2.9, -2.5) ×10^-4 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=0.25 (+0.75, -0.24)
HR2=0.3 (+0.5, -0.4)
Observed between:: 2006-08-17 05:33 and 2025-07-21 05:36
Present in:: 43 datasets (total)
1 datasets (with blind detections)
3 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 1120142

Nearest neighbour

LSXPS J203807.2+415718 — 95″ away

Nearest 'OK' neighbour

LSXPS J203807.2+415718 — 95″ 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)	6.3 (+2.9, -2.5) ×10^-4	4.8 (+164.3, -4.8) ×10^-6	1.7 (+1.5, -1.2) ×10^-4	3.5 (+2.1, -1.8) ×10^-4
Peak rate (ct s^-1)	1.8 (+1.7, -1.1) ×10^-2	5.2 (+3.9, -2.6) ×10^-3	1.7 (+1.5, -1.2) ×10^-4	1.8 (+1.7, -1.1) ×10^-2
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 6.02× 10^-4	< 7.62× 10^-4	< 1.09× 10^-3
Counts detected	23	5	6	12
BG counts	11.93	4.915	3.018	5.870
Corr fact	1.71	1.71	1.71	1.71
P_const,χ	7.57×10^-3 (obs) 6.09×10^-2 (snapshot)	7.57×10^-3 (obs) 2.35×10^-2 (snapshot)	7.57×10^-3 (obs) 0.95 (snapshot)	7.57×10^-3 (obs) 0.19 (snapshot)