LSXPS J201840.5+405129

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J201840.5+405129 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 38″ away and the nearest good/reasonable source is 79″ away.

Detection flag:: Good
Total exposure:: 77 ks
RA (J2000):: 20^h 18^m 40.56^s=304.6690°
Dec (J2000):: +40° 51′ 29.9″=+40.8583°
Err₉₀:: 2.8′′(XRT+2MASS)
l:: +78° 15′ 45.8″=78.2627°
b:: +02° 45′ 49.9″=+2.7639°
Mean count rate: 1.04 (+0.24, -0.23) ×10^-3 ct s^-1
Galactic N_H: 1.1×10²² cm^-2
HRs: HR1=0.03 (+0.15, -0.21)
HR2=-0.36 (+0.19, -0.17)
Observed between:: 2006-03-26 08:38 and 2025-02-24 15:37
Present in:: 28 datasets (total)
10 datasets (with blind detections)
12 datasets (count-rate detections)
External catalogue matches:: 5
Search Vizier | Simbad.
LSXPS ID: 1039802

Nearest neighbour

LSXPS J201843.4+405149 — 38″ away

Nearest 'OK' neighbour

LSXPS J201846.9+405203 — 79″ away

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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)	1.04 (+0.24, -0.23) ×10^-3	2.4 (+1.6, -1.5) ×10^-4	5.3 (+1.4, -1.3) ×10^-4	2.26 (+1.10, -0.96) ×10^-4
Peak rate (ct s^-1)	1.0 (+0.5, -0.4) ×10^-2	2.4 (+1.6, -1.5) ×10^-4	8 (+5, -4) ×10^-3	2.26 (+1.10, -0.96) ×10^-4
Detected?	Yes	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 7.65× 10^-4	N/A	< 5.77× 10^-4
Counts detected	144	70	47	27
BG counts	91.46	57.94	20.22	15.62
Corr fact	1.60	1.60	1.60	1.60
P_const,χ	2.71×10^-2 (obs) 0.13 (snapshot)	2.82×10^-2 (obs) 0.35 (snapshot)	2.12×10^-2 (obs) 8.65×10^-3 (snapshot)	2.82×10^-2 (obs) 0.43 (snapshot)