LSXPS J155036.2-541920

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J155036.2-541920 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 37″ away and the nearest good/reasonable source is 50″ away.

Detection flag:: Good
Total exposure:: 390 ks
RA (J2000):: 15^h 50^m 36.26^s=237.6511°
Dec (J2000):: -54° 19′ 20.4″=-54.3223°
Err₉₀:: 0.7′′(XRT+2MASS)
l:: +327° 11′ 35.9″=327.1933°
b:: -00° 06′ 59.7″=-0.1166°
Mean count rate: 1.24 (±0.12) ×10^-3 ct s^-1
Galactic N_H: 1.6×10²² cm^-2
HRs: HR1=0.55 (+0.45, -0.06)
HR2=0.923 (+0.077, -0.024)
Observed between:: 2007-01-21 05:59 and 2026-02-02 23:41
Present in:: 166 datasets (total)
3 datasets (with blind detections)
22 datasets (count-rate detections)
Possible aliases: LSXPS J155034.8-541925
External catalogue matches:: 4
Search Vizier | Simbad.
LSXPS ID: 427277

Nearest neighbour

LSXPS J155035.1-541844 — 37″ away

Nearest 'OK' neighbour

LSXPS J155031.6-541849 — 50″ 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)	1.24 (±0.12) ×10^-3	0.00 (+1.11, -0.00) ×10^-5	0.00 (+2.64, -0.00) ×10^-5	1.12 (±0.11) ×10^-3
Peak rate (ct s^-1)	1.3 (±0.4) ×10^-2	0.00 (+1.11, -0.00) ×10^-5	0.00 (+2.64, -0.00) ×10^-5	0.151 (±0.014)
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	N/A	< 4.80× 10^-5	< 9.55× 10^-5	N/A
Counts detected	764	28	92	644
BG counts	409.3	39.88	99.49	325.0
Corr fact	1.37	1.37	1.37	1.37
P_const,χ	<10^-16 (obs) 0.11 (snapshot)	<10^-16 (obs) <10^-16 (snapshot)	<10^-16 (obs) 0.64 (snapshot)	<10^-16 (obs) 0.39 (snapshot)