LSXPS J042012.5-545400

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J042012.5-545400 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 27″ away.

Detection flag:: Good
Total exposure:: 270 ks
RA (J2000):: 04^h 20^m 12.51^s=65.0521°
Dec (J2000):: -54° 54′ 00.6″=-54.9002°
Err₉₀:: 4.4′′(Star trackers)
l:: +264° 14′ 59.6″=264.2499°
b:: -43° 22′ 29.4″=-43.3748°
Mean count rate: 7.6 (±1.1) ×10^-4 ct s^-1
Galactic N_H: 1.1×10²⁰ cm^-2
HRs: HR1=0.22 (±0.12)
HR2=-0.38 (+0.15, -0.12)
Observed between:: 2007-12-12 06:49 and 2025-04-19 07:16
Present in:: 215 datasets (total)
2 datasets (with blind detections)
8 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 1093617

Nearest neighbour

LSXPS J042015.1-545345 — 27″ away

Nearest 'OK' neighbour

LSXPS J042015.1-545345 — 27″ 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)	7.6 (±1.1) ×10^-4	1.8 (+0.6, -0.5) ×10^-4	3.8 (±0.6) ×10^-4	1.2 (±0.5) ×10^-4
Peak rate (ct s^-1)	6.5 (+3.8, -2.8) ×10^-3	1.8 (+0.6, -0.5) ×10^-4	6 (+6, -4) ×10^-3	1.2 (±0.5) ×10^-4
Detected?	Yes	Blind: No Retrospective: Yes	Blind: No Retrospective: Yes	Blind: No Retrospective: Yes
3 σ UL (ct s^-1)	N/A	< 3.57× 10^-4	< 5.68× 10^-4	< 2.72× 10^-4
Counts detected	309	108	121	80
BG counts	164.8	73.98	48.82	56.58
Corr fact	1.42	1.42	1.42	1.42
P_const,χ	0.76 (obs) 1.52×10^-6 (snapshot)	0.76 (obs) 1.57×10^-8 (snapshot)	0.76 (obs) 2.66×10^-4 (snapshot)	0.76 (obs) <10^-16 (snapshot)