LSXPS J023947.5+610202

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J023947.5+610202 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 59″ away.

Detection flag:: Good
Total exposure:: 587 ks
RA (J2000):: 02^h 39^m 47.59^s=39.9483°
Dec (J2000):: +61° 02′ 02.9″=+61.0341°
Err₉₀:: 0.9′′(XRT+2MASS)
l:: +135° 40′ 25.1″=135.6736°
b:: +00° 52′ 18.2″=+0.8717°
Mean count rate: 3.2 (+1.4, -1.3) ×10^-4 ct s^-1
Galactic N_H: 9.0×10²¹ cm^-2
HRs: HR1=-0.22 (+0.12, -0.14)
HR2=0.42 (+0.10, -0.11)
Observed between:: and 2026-02-09 15:15
Present in:: 352 datasets (total)
6 datasets (with blind detections)
10 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 561991

Nearest neighbour

LSXPS J023955.3+610222 — 59″ away

Nearest 'OK' neighbour

LSXPS J023955.3+610222 — 59″ 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)	3.2 (+1.4, -1.3) ×10^-4	0.00 (+5.98, -0.00) ×10^-5	2.7 (+5.4, -2.7) ×10^-5	2.7 (±0.9) ×10^-4
Peak rate (ct s^-1)	10 (+7, -5) ×10^-3	4.6 (+3.4, -2.3) ×10^-3	2.7 (+5.4, -2.7) ×10^-5	3.5 (+2.6, -1.7) ×10^-3
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	< 7.23× 10^-4	< 2.24× 10^-4	< 2.36× 10^-4	N/A
Counts detected	159	54	32	73
BG counts	128.4	60.91	29.41	47.24
Corr fact	5.13	5.13	5.13	5.13
P_const,χ	2.38×10^-13 (obs) 0.46 (snapshot)	2.38×10^-13 (obs) 5.46×10^-4 (snapshot)	2.38×10^-13 (obs) 1.68×10^-4 (snapshot)	2.38×10^-13 (obs) 0.90 (snapshot)