LSXPS J203107.6+413110

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203107.6+413110 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 18″ away and the nearest good/reasonable source is 47″ away.

Detection flag:: Good
Total exposure:: 421 ks
RA (J2000):: 20^h 31^m 07.69^s=307.7820°
Dec (J2000):: +41° 31′ 10.1″=+41.5195°
Err₉₀:: 4.0′′(XRT+2MASS)
l:: +80° 09′ 13.0″=80.1536°
b:: +01° 13′ 46.8″=+1.2297°
Mean count rate: 2.7 (±1.2) ×10^-4 ct s^-1
Galactic N_H: 1.3×10²² cm^-2
HRs: HR1=0.21 (+0.14, -0.15)
HR2=0.359 (+0.087, -0.105)
Observed between:: 2005-01-04 01:30 and 2024-09-14 18:49
Present in:: 171 datasets (total)
7 datasets (with blind detections)
11 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 346716

Nearest neighbour

LSXPS J203107.5+413051 — 18″ away

Nearest 'OK' neighbour

LSXPS J203106.3+413154 — 47″ 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)	2.7 (±1.2) ×10^-4	0.00 (+4.06, -0.00) ×10^-5	5 (±5) ×10^-5	2.1 (+0.9, -0.8) ×10^-4
Peak rate (ct s^-1)	4.6 (+3.0, -2.1) ×10^-3	1.8 (+1.7, -1.0) ×10^-2	4.8 (+3.0, -2.1) ×10^-3	1.3 (+0.4, -0.3) ×10^-2
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	N/A	< 1.54× 10^-4	< 2.50× 10^-4	N/A
Counts detected	214	42	57	115
BG counts	181.2	48.52	51.07	89.66
Corr fact	3.43	3.43	3.43	3.43
P_const,χ	0.96 (obs) 7.32×10^-3 (snapshot)	0.96 (obs) <10^-16 (snapshot)	0.96 (obs) <10^-16 (snapshot)	0.96 (obs) 0.33 (snapshot)