LSXPS J155053.3-541924

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J155053.3-541924 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 20″ away and the nearest good/reasonable source is 48″ away.

Detection flag:: Poor
Total exposure:: 399 ks
RA (J2000):: 15^h 50^m 53.38^s=237.7224°
Dec (J2000):: -54° 19′ 24.3″=-54.3234°
Err₉₀:: 4.5′′(XRT+2MASS)
l:: +327° 13′ 30.1″=327.2250°
b:: -00° 08′ 36.8″=-0.1436°
Mean count rate: 2.0 (+2.5, -2.0) ×10^-4 ct s^-1
Galactic N_H: 1.6×10²² cm^-2
HRs: HR1=0.687 (+0.101, -0.095)
HR2=0.00 (±0.00)
Observed between:: and 2026-02-02 23:49
Present in:: 169 datasets (total)
3 datasets (with blind detections)
10 datasets (count-rate detections)
External catalogue matches:: 3
Search Vizier | Simbad.
LSXPS ID: 32687

Nearest neighbour

LSXPS J155052.2-541942 — 20″ away

Nearest 'OK' neighbour

LSXPS J155054.2-541836 — 48″ 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)	2.0 (+2.5, -2.0) ×10^-4	5.1 (+2.9, -2.6) ×10^-5	0.00 (+7.06, -0.00) ×10^-5	0.00 (+2.20, -0.00) ×10^-4
Peak rate (ct s^-1)	4.1 (±0.7) ×10^-2	5.1 (+2.9, -2.6) ×10^-5	1.8 (±0.5) ×10^-2	4.0 (±0.6) ×10^-2
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 1.41× 10^-4	< 2.35× 10^-4	< 2.20× 10^-4
Counts detected	2295	57	507	1727
BG counts	2240	43.16	517.0	1811
Corr fact	1.44	1.44	1.44	1.44
P_const,χ	<10^-16 (obs) 1.72×10^-9 (snapshot)	<10^-16 (obs) 0.99 (snapshot)	<10^-16 (obs) 8.61×10^-2 (snapshot)	<10^-16 (obs) <10^-16 (snapshot)