LSXPS J155057.3-541855

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J155057.3-541855 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 24″ away and the nearest good/reasonable source is 2.1′ away.

Detection flag:: Poor
Total exposure:: 399 ks
RA (J2000):: 15^h 50^m 57.33^s=237.7389°
Dec (J2000):: -54° 18′ 55.9″=-54.3155°
Err₉₀:: 4.1′′(XRT+2MASS)
l:: +327° 14′ 14.9″=327.2375°
b:: -00° 08′ 36.4″=-0.1434°
Mean count rate: 0.00 (+4.00, -0.00) ×10^-4 ct s^-1
Galactic N_H: 1.6×10²² cm^-2
HRs: HR1=-1 (±4)
HR2=0.00 (±0.00)
Observed between:: and 2026-02-02 23:49
Present in:: 168 datasets (total)
1 datasets (with blind detections)
4 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 54426

Nearest neighbour

LSXPS J155059.9-541901 — 24″ away

Nearest 'OK' neighbour

LSXPS J155108.4-542014 — 2.1′ 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 (+4.00, -0.00) ×10^-4	5.9 (+3.1, -2.9) ×10^-5	0.00 (+1.79, -0.00) ×10^-4	0.00 (+3.57, -0.00) ×10^-4
Peak rate (ct s^-1)	0.24 (+0.09, -0.08)	4.3 (+2.4, -1.8) ×10^-3	9 (+5, -4) ×10^-3	0.24 (+0.09, -0.08)
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 4.00× 10^-4	< 1.55× 10^-4	N/A	< 3.57× 10^-4
Counts detected	5387	68	1076	4243
BG counts	6379	51.96	1275	5121
Corr fact	1.43	1.43	1.44	1.43
P_const,χ	1.00 (obs) 1.00 (snapshot)	1.00 (obs) 0.17 (snapshot)	1.00 (obs) 1.98×10^-6 (snapshot)	1.00 (obs) <10^-16 (snapshot)