LSXPS J201831.2+404815

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J201831.2+404815 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 33″ away and the nearest good/reasonable source is 4.5′ away.

Detection flag:: Good
Total exposure:: 79 ks
RA (J2000):: 20^h 18^m 31.25^s=304.6302°
Dec (J2000):: +40° 48′ 15.4″=+40.8043°
Err₉₀:: 1.9′′(XRT+2MASS)
l:: +78° 12′ 05.2″=78.2014°
b:: +02° 45′ 28.1″=+2.7578°
Mean count rate: 2.6 (±0.3) ×10^-3 ct s^-1
Galactic N_H: 1.1×10²² cm^-2
HRs: HR1=-0.02 (±0.10)
HR2=-0.423 (+0.094, -0.120)
Observed between:: 2006-03-26 08:38 and 2025-07-16 10:29
Present in:: 30 datasets (total)
15 datasets (with blind detections)
17 datasets (count-rate detections)
External catalogue matches:: 6
Search Vizier | Simbad.
LSXPS ID: 1036526

Nearest neighbour

LSXPS J201831.6+404848 — 33″ away

Nearest 'OK' neighbour

LSXPS J201813.0+404517 — 4.5′ 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)	2.6 (±0.3) ×10^-3	1.07 (+0.19, -0.17) ×10^-3	1.17 (+0.17, -0.16) ×10^-3	4.4 (+1.2, -1.0) ×10^-4
Peak rate (ct s^-1)	1.4 (+0.9, -0.7) ×10^-2	1.16 (+1.11, -0.68) ×10^-2	5.7 (+4.2, -2.8) ×10^-3	4.2 (+3.2, -2.2) ×10^-3
Detected?	Yes	Yes	Yes	Blind: No Retrospective: Yes
3 σ UL (ct s^-1)	N/A	N/A	N/A	< 8.18× 10^-4
Counts detected	237	112	89	41
BG counts	83.53	49.30	20.08	15.10
Corr fact	1.44	1.44	1.44	1.44
P_const,χ	6.93×10^-7 (obs) 0.57 (snapshot)	3.28×10^-2 (obs) 0.15 (snapshot)	3.76×10^-2 (obs) 0.90 (snapshot)	3.26×10^-2 (obs) 0.50 (snapshot)