LSXPS J203553.6+405951

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203553.6+405951 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 5.4′ away.

Detection flag:: Poor, but may be affected by, or due to, stray light.
Total exposure:: 16 ks
RA (J2000):: 20^h 35^m 53.61^s=308.9734°
Dec (J2000):: +40° 59′ 51.6″=+40.9977°
Err₉₀:: 5.8′′(XRT+2MASS)
l:: +80° 16′ 04.6″=80.2679°
b:: +00° 11′ 58.3″=+0.1995°
Mean count rate: 0.00 (+1.42, -0.00) ×10^-3 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.27 (+0.27, -0.73)
HR2=0.626 (+0.374, +0.011)
Observed between:: and 2024-08-19 18:56
Present in:: 28 datasets (total)
1 datasets (with blind detections)
8 datasets (count-rate detections)
External catalogue matches:: 1
Search Vizier | Simbad.
LSXPS ID: 673978

Nearest neighbour

LSXPS J203555.6+410003 — 26″ away

Nearest 'OK' neighbour

LSXPS J203620.9+410126 — 5.4′ 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)	0.00 (+1.42, -0.00) ×10^-3	2.0 (+4.8, -2.0) ×10^-4	0.00 (+4.19, -0.00) ×10^-4	5.1 (+1.36 × 10³, -5.1) ×10^-6
Peak rate (ct s^-1)	3.8 (+2.6, -1.9) ×10^-3	2.0 (+4.8, -2.0) ×10^-4	0.00 (+4.19, -0.00) ×10^-4	1.4 (+0.7, -0.5) ×10^-2
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	< 4.71× 10^-3	< 2.38× 10^-3	< 1.89× 10^-3	N/A
Counts detected	22	2	1	19
BG counts	22.30	1.268	2.135	18.98
Corr fact	1.58	1.58	1.58	1.58
P_const,χ	4.75×10^-3 (obs) 7.73×10^-3 (snapshot)	4.75×10^-3 (obs) 1.00 (snapshot)	4.75×10^-3 (obs) 1.00 (snapshot)	4.75×10^-3 (obs) <10^-16 (snapshot)