LSXPS J203138.9+413018

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203138.9+413018 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 12″ away and the nearest good/reasonable source is 2.6′ away.

Detection flag:: Good
Total exposure:: 557 ks
RA (J2000):: 20^h 31^m 38.94^s=307.9122°
Dec (J2000):: +41° 30′ 18.2″=+41.5051°
Err₉₀:: 1.8′′(XRT+2MASS)
l:: +80° 11′ 58.4″=80.1996°
b:: +01° 08′ 33.0″=+1.1425°
Mean count rate: 5.3 (±1.0) ×10^-4 ct s^-1
Galactic N_H: 1.3×10²² cm^-2
HRs: HR1=0.63 (±0.09)
HR2=-0.07 (±0.08)
Observed between:: 2005-01-04 01:30 and 2024-08-01 23:59
Present in:: 237 datasets (total)
9 datasets (with blind detections)
11 datasets (count-rate detections)
External catalogue matches:: 6
Search Vizier | Simbad.
LSXPS ID: 345249

Nearest neighbour

LSXPS J203138.2+413027 — 12″ away

Nearest 'OK' neighbour

— 2.6′ 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)	5.3 (±1.0) ×10^-4	0.00 (+3.17, -0.00) ×10^-5	3.6 (±0.6) ×10^-4	1.7 (±0.5) ×10^-4
Peak rate (ct s^-1)	7.3 (+3.1, -2.5) ×10^-3	4.7 (+3.5, -2.4) ×10^-3	4.3 (+2.4, -1.8) ×10^-3	3.2 (+2.2, -1.6) ×10^-3
Detected?	Yes	Blind: No Retrospective: No	Yes	Yes
3 σ UL (ct s^-1)	N/A	< 1.01× 10^-4	N/A	N/A
Counts detected	544	82	221	241
BG counts	386.8	82.68	113.8	190.8
Corr fact	1.88	1.88	1.88	1.88
P_const,χ	3.97×10^-2 (obs) 0.25 (snapshot)	0.12 (obs) 1.00 (snapshot)	0.12 (obs) 1.03×10^-2 (snapshot)	0.12 (obs) 0.35 (snapshot)