LSXPS J042050.3-545149

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J042050.3-545149 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 47″ away and the nearest good/reasonable source is 65″ away.

Detection flag:: Reasonable
Total exposure:: 269 ks
RA (J2000):: 04^h 20^m 50.33^s=65.2097°
Dec (J2000):: -54° 51′ 49.3″=-54.8637°
Err₉₀:: 5.5′′(Star trackers)
l:: +264° 10′ 11.9″=264.1700°
b:: -43° 17′ 46.6″=-43.2963°
Mean count rate: 6 (+6, -5) ×10^-5 ct s^-1
Galactic N_H: 1.1×10²⁰ cm^-2
HRs: HR1=0.38 (+0.62, -0.20)
HR2=0.39 (+0.24, -0.23)
Observed between:: 2007-12-12 06:49 and 2025-10-19 18:11
Present in:: 217 datasets (total)
3 datasets (with blind detections)
4 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 1109263

Nearest neighbour

LSXPS J042048.4-545104 — 47″ away

Nearest 'OK' neighbour

LSXPS J042057.0-545117 — 65″ 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 (+6, -5) ×10^-5	0.00 (+2.13, -0.00) ×10^-5	2.4 (+2.9, -2.4) ×10^-5	9 (+5, -4) ×10^-5
Peak rate (ct s^-1)	6.3 (+4.1, -2.9) ×10^-3	4.8 (+3.6, -2.5) ×10^-3	2.4 (+2.9, -2.4) ×10^-5	4.3 (+4.2, -2.6) ×10^-3
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 9.33× 10^-5	< 1.48× 10^-4	< 2.45× 10^-4
Counts detected	91	25	23	43
BG counts	82.44	37.38	19.70	30.67
Corr fact	1.95	1.95	1.95	1.95
P_const,χ	1.92×10^-2 (obs) 1.87×10^-2 (snapshot)	1.92×10^-2 (obs) 0.16 (snapshot)	1.92×10^-2 (obs) 1.18×10^-4 (snapshot)	1.92×10^-2 (obs) 2.97×10^-2 (snapshot)