LSXPS J203128.0+401502

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203128.0+401502 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 40″ away and the nearest good/reasonable source is 9.1′ away.

Detection flag:: Reasonable, but may be affected by, or due to, stray light.
Total exposure:: 24 ks
RA (J2000):: 20^h 31^m 28.04^s=307.8668°
Dec (J2000):: +40° 15′ 02.4″=+40.2507°
Err₉₀:: 3.8′′(XRT+2MASS)
l:: +79° 10′ 03.0″=79.1675°
b:: +00° 25′ 42.7″=+0.4285°
Mean count rate: 1.6 (+0.7, -0.6) ×10^-3 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.821 (+0.040, -0.179)
HR2=0.45 (+0.55, -0.11)
Observed between:: and 2024-01-20 22:02
Present in:: 35 datasets (total)
16 datasets (with blind detections)
19 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 694994

Nearest neighbour

LSXPS J203129.9+401536 — 40″ away

Nearest 'OK' neighbour

— 9.1′ 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)	1.6 (+0.7, -0.6) ×10^-3	1.5 (+0.5, -0.4) ×10^-3	5.7 (+23.0, -5.7) ×10^-5	5 (+46, -5) ×10^-5
Peak rate (ct s^-1)	1.8 (±0.5) ×10^-2	1.7 (+0.5, -0.4) ×10^-2	5.7 (+23.0, -5.7) ×10^-5	8 (+4, -3) ×10^-4
Detected?	Yes	Blind: No Retrospective: Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 3.30× 10^-3	< 1.05× 10^-3	< 1.69× 10^-3
Counts detected	28	15	2	11
BG counts	14.72	2.525	1.528	10.62
Corr fact	1.86	1.86	1.86	1.86
P_const,χ	<10^-16 (obs) 1.23×10^-7 (snapshot)	<10^-16 (obs) <10^-16 (snapshot)	<10^-16 (obs) 1.00 (snapshot)	<10^-16 (obs) 6.24×10^-2 (snapshot)