LSXPS J202457.7+392940

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202457.7+392940 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 33″ away.

Detection flag:: Good
Total exposure:: 14 ks
RA (J2000):: 20^h 24^m 57.74^s=306.2406°
Dec (J2000):: +39° 29′ 41.0″=+39.4947°
Err₉₀:: 3.2′′(XRT+2MASS)
l:: +77° 49′ 30.1″=77.8250°
b:: +01° 00′ 01.6″=+1.0004°
Mean count rate: 6.2 (+1.4, -1.2) ×10^-3 ct s^-1
Galactic N_H: 1.3×10²² cm^-2
HRs: HR1=0.28 (+0.24, -0.26)
HR2=-0.10 (+0.24, -0.23)
Observed between:: and 2025-02-06 14:12
Present in:: 25 datasets (total)
12 datasets (with blind detections)
14 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 1024163

Nearest neighbour

LSXPS J202500.3+392926 — 33″ away

Nearest 'OK' neighbour

LSXPS J202500.3+392926 — 33″ 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)	6.2 (+1.4, -1.2) ×10^-3	1.4 (+0.7, -0.6) ×10^-3	2.7 (+0.9, -0.7) ×10^-3	2.1 (+0.8, -0.7) ×10^-3
Peak rate (ct s^-1)	5.5 (+1.5, -1.2) ×10^-2	9 (+7, -5) ×10^-3	1.9 (+0.9, -0.7) ×10^-2	2.54 (+1.03, -0.82) ×10^-2
Detected?	Yes	Blind: No Retrospective: Yes	Yes	Blind: No Retrospective: Yes
3 σ UL (ct s^-1)	N/A	< 4.00× 10^-3	N/A	< 5.07× 10^-3
Counts detected	29	7	12	10
BG counts	2.891	1.193	0.698	1.120
Corr fact	1.74	1.73	1.73	1.73
P_const,χ	<10^-16 (obs) <10^-16 (snapshot)	6.73×10^-11 (obs) 0.23 (snapshot)	6.73×10^-11 (obs) 4.66×10^-4 (snapshot)	6.73×10^-11 (obs) 3.02×10^-9 (snapshot)