LSXPS J042045.8-545451

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J042045.8-545451 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 23″ away.

Detection flag:: Good
Total exposure:: 270 ks
RA (J2000):: 04^h 20^m 45.82^s=65.1909°
Dec (J2000):: -54° 54′ 51.7″=-54.9144°
Err₉₀:: 5.2′′(Star trackers)
l:: +264° 14′ 28.0″=264.2411°
b:: -43° 17′ 38.5″=-43.2940°
Mean count rate: 2.5 (±0.7) ×10^-4 ct s^-1
Galactic N_H: 1.1×10²⁰ cm^-2
HRs: HR1=-0.11 (+0.24, -0.25)
HR2=0.13 (±0.23)
Observed between:: 2007-12-12 06:49 and 2025-04-08 07:52
Present in:: 224 datasets (total)
8 datasets (with blind detections)
10 datasets (count-rate detections)
External catalogue matches:: 3
Search Vizier | Simbad.
LSXPS ID: 1036861

Nearest neighbour

LSXPS J042048.4-545455 — 23″ away

Nearest 'OK' neighbour

LSXPS J042048.4-545455 — 23″ 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)	2.5 (±0.7) ×10^-4	6 (±4) ×10^-5	7 (+4, -3) ×10^-5	9 (±4) ×10^-5
Peak rate (ct s^-1)	9 (+5, -4) ×10^-3	8 (+4, -3) ×10^-3	7 (+4, -3) ×10^-5	9 (±4) ×10^-5
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	N/A	< 2.01× 10^-4	< 1.93× 10^-4	N/A
Counts detected	144	57	37	50
BG counts	102.1	47.64	24.82	35.56
Corr fact	1.61	1.61	1.61	1.61
P_const,χ	0.96 (obs) 1.37×10^-10 (snapshot)	0.96 (obs) <10^-16 (snapshot)	0.96 (obs) <10^-16 (snapshot)	0.96 (obs) 0.12 (snapshot)