LSXPS J155446.6-540656

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J155446.6-540656 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 99″ away and the nearest good/reasonable source is 8.0′ away.

Detection flag:: Good
Total exposure:: 65 ks
RA (J2000):: 15^h 54^m 46.65^s=238.6944°
Dec (J2000):: -54° 06′ 56.9″=-54.1158°
Err₉₀:: 6.3′′(XRT+2MASS)
l:: +327° 47′ 46.8″=327.7963°
b:: -00° 20′ 33.6″=-0.3427°
Mean count rate: 1.8 (+1.4, -1.3) ×10^-4 ct s^-1
Galactic N_H: 1.6×10²² cm^-2
HRs: HR1=0.2 (+0.8, -0.3)
HR2=0.758 (+0.242, -0.058)
Observed between:: 2007-10-26 02:46 and 2023-10-21 13:42
Present in:: 40 datasets (total)
4 datasets (with blind detections)
5 datasets (count-rate detections)
External catalogue matches:: 4
Search Vizier | Simbad.
LSXPS ID: 732089

Nearest neighbour

LSXPS J155446.9-540517 — 99″ away

Nearest 'OK' neighbour

LSXPS J155537.5-540401 — 8.0′ 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)	1.8 (+1.4, -1.3) ×10^-4	0.00 (+4.31, -0.00) ×10^-5	0.00 (+7.39, -0.00) ×10^-5	3.1 (+1.3, -1.2) ×10^-4
Peak rate (ct s^-1)	1.9 (+1.4, -1.3) ×10^-4	0.00 (+4.31, -0.00) ×10^-5	0.00 (+7.39, -0.00) ×10^-5	1.82 (+1.10, -0.81) ×10^-3
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	N/A	< 1.95× 10^-4	< 2.60× 10^-4	N/A
Counts detected	44	6	7	31
BG counts	36.09	12.28	7.057	17.21
Corr fact	1.46	1.46	1.46	1.46
P_const,χ	0.93 (obs) 0.72 (snapshot)	0.93 (obs) <10^-16 (snapshot)	0.93 (obs) 0.60 (snapshot)	0.93 (obs) 0.72 (snapshot)