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:: 24 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: 5.0 (+3.0, -2.5) ×10^-4 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=0.42 (+0.58, -0.15)
HR2=0.26 (+0.74, -0.19)
Observed between:: 2006-08-17 05:33 and 2025-06-08 18:42
Present in:: 35 datasets (total)
1 datasets (with blind detections)
2 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)	5.0 (+3.0, -2.5) ×10^-4	0.00 (+1.28, -0.00) ×10^-4	1.7 (+1.7, -1.3) ×10^-4	2.9 (+2.3, -1.8) ×10^-4
Peak rate (ct s^-1)	1.8 (+1.7, -1.1) ×10^-2	0.00 (+1.28, -0.00) ×10^-4	1.7 (+1.7, -1.3) ×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	< 5.46× 10^-4	< 8.60× 10^-4	< 1.12× 10^-3
Counts detected	16	2	5	9
BG counts	8.860	3.242	2.603	4.794
Corr fact	1.72	1.72	1.72	1.72
P_const,χ	2.71×10^-2 (obs) 0.12 (snapshot)	2.71×10^-2 (obs) 6.75×10^-2 (snapshot)	2.71×10^-2 (obs) 0.90 (snapshot)	2.71×10^-2 (obs) 0.16 (snapshot)