LSXPS J203101.5+412828

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203101.5+412828 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 26″ away and the nearest good/reasonable source is 67″ away.

Detection flag:: Reasonable
Total exposure:: 376 ks
RA (J2000):: 20^h 31^m 01.54^s=307.7564°
Dec (J2000):: +41° 28′ 28.9″=+41.4747°
Err₉₀:: 4.5′′(XRT+2MASS)
l:: +80° 06′ 22.0″=80.1061°
b:: +01° 13′ 07.5″=+1.2188°
Mean count rate: 2.1 (±1.9) ×10^-4 ct s^-1
Galactic N_H: 1.3×10²² cm^-2
HRs: HR1=0.13 (±0.13)
HR2=0.264 (+0.104, -0.098)
Observed between:: 2005-01-04 01:30 and 2024-09-14 18:49
Present in:: 146 datasets (total)
1 datasets (with blind detections)
7 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 342237

Nearest neighbour

— 26″ away

Nearest 'OK' neighbour

LSXPS J203055.9+412854 — 67″ 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)	2.1 (±1.9) ×10^-4	0.00 (+1.20, -0.00) ×10^-4	1.4 (+1.2, -1.1) ×10^-4	0.00 (+1.66, -0.00) ×10^-4
Peak rate (ct s^-1)	2.6 (+2.0, -1.3) ×10^-2	1.8 (+1.7, -1.0) ×10^-2	1.4 (+1.2, -1.1) ×10^-4	6.7 (+2.4, -2.0) ×10^-3
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 3.99× 10^-4	< 5.69× 10^-4	< 5.48× 10^-4
Counts detected	153	34	43	76
BG counts	142.1	34.88	35.70	78.18
Corr fact	7.38	7.38	7.38	7.38
P_const,χ	0.90 (obs) 8.35×10^-2 (snapshot)	0.90 (obs) <10^-16 (snapshot)	0.90 (obs) <10^-16 (snapshot)	0.90 (obs) 1.15×10^-3 (snapshot)