LSXPS J024002.7+610355

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J024002.7+610355 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 46″ away and the nearest good/reasonable source is 107″ away.

Detection flag:: Poor
Total exposure:: 732 ks
RA (J2000):: 02^h 40^m 02.72^s=40.0113°
Dec (J2000):: +61° 03′ 55.4″=+61.0654°
Err₉₀:: 5.2′′(XRT+2MASS)
l:: +135° 41′ 19.8″=135.6888°
b:: +00° 54′ 45.7″=+0.9127°
Mean count rate: 0.00 (+3.10, -0.00) ×10^-5 ct s^-1
Galactic N_H: 9.0×10²¹ cm^-2
HRs: HR1=-0.53 (+0.28, -0.32)
HR2=0.2 (±0.4)
Observed between:: and 2025-04-10 06:06
Present in:: 406 datasets (total)
1 datasets (with blind detections)
2 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 722678

Nearest neighbour

LSXPS J024008.7+610338 — 46″ away

Nearest 'OK' neighbour

LSXPS J023955.3+610222 — 107″ away

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This source is in a field which contains diffuse emission / artifacts. Details may be inaccurate.

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 (+3.10, -0.00) ×10^-5	0.00 (+2.71, -0.00) ×10^-5	0.00 (+1.21, -0.00) ×10^-5	0.00 (+1.35, -0.00) ×10^-5
Peak rate (ct s^-1)	1.5 (+1.5, -1.3) ×10^-4	1.72 (+1.15, -0.82) ×10^-3	0.00 (+1.21, -0.00) ×10^-5	0.00 (+1.35, -0.00) ×10^-5
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 8.67× 10^-5	< 4.96× 10^-5	< 5.63× 10^-5
Counts detected	209	89	47	73
BG counts	220.0	90.00	58.76	89.88
Corr fact	1.77	1.77	1.77	1.77
P_const,χ	0.14 (obs) <10^-16 (snapshot)	0.14 (obs) <10^-16 (snapshot)	0.14 (obs) 1.00 (snapshot)	0.14 (obs) 1.00 (snapshot)