LSXPS J024220.8+612308

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J024220.8+612308 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 60″ away and the nearest good/reasonable source is 4.6′ away.

Detection flag:: Reasonable
Total exposure:: 126 ks
RA (J2000):: 02^h 42^m 20.81^s=40.5867°
Dec (J2000):: +61° 23′ 08.3″=+61.3856°
Err₉₀:: 9.9′′(Star trackers)
l:: +135° 48′ 36.3″=135.8101°
b:: +01° 19′ 06.1″=+1.3184°
Mean count rate: 0.00 (+3.85, -0.00) ×10^-5 ct s^-1
Galactic N_H: 8.8×10²¹ cm^-2
HRs: HR1=-0.909 (+0.005, -0.091)
HR2=0.47 (+0.53, -0.07)
Observed between:: 2006-09-02 09:03 and 2025-09-06 10:49
Present in:: 91 datasets (total)
1 datasets (with blind detections)
8 datasets (count-rate detections)
External catalogue matches:: 6
Search Vizier | Simbad.
LSXPS ID: 818573

Nearest neighbour

LSXPS J024212.6+612324 — 60″ away

Nearest 'OK' neighbour

LSXPS J024149.9+612020 — 4.6′ 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)	0.00 (+3.85, -0.00) ×10^-5	10 (+10, -9) ×10^-5	0.00 (+2.76, -0.00) ×10^-5	0.00 (+3.67, -0.00) ×10^-5
Peak rate (ct s^-1)	6.2 (+2.1, -1.8) ×10^-2	5.3 (+1.9, -1.6) ×10^-2	7.8 (+1.3, -1.2) ×10^-4	0.00 (+3.67, -0.00) ×10^-5
Detected?	Yes	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	N/A	< 1.39× 10^-4	< 1.83× 10^-4
Counts detected	237	47	87	103
BG counts	500.3	41.34	329.9	228.9
Corr fact	2.32	2.27	2.32	2.32
P_const,χ	1.00 (obs) <10^-16 (snapshot)	1.00 (obs) 1.00 (snapshot)	1.00 (obs) 1.00 (snapshot)	1.00 (obs) 1.00 (snapshot)