LSXPS J155039.4-541824

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J155039.4-541824 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 31″ away and the nearest good/reasonable source is 45″ away.

Detection flag:: Poor
Total exposure:: 389 ks
RA (J2000):: 15^h 50^m 39.48^s=237.6645°
Dec (J2000):: -54° 18′ 24.5″=-54.3068°
Err₉₀:: 5.8′′(XRT+2MASS)
l:: +327° 12′ 32.9″=327.2091°
b:: -00° 06′ 33.9″=-0.1094°
Mean count rate: 4.0 (±1.2) ×10^-4 ct s^-1
Galactic N_H: 1.6×10²² cm^-2
HRs: HR1=0.819 (+0.181, -0.053)
HR2=0.38 (+0.13, -0.12)
Observed between:: 2007-01-21 05:59 and 2024-03-08 12:50
Present in:: 165 datasets (total)
2 datasets (with blind detections)
10 datasets (count-rate detections)
External catalogue matches:: 4
Search Vizier | Simbad.
LSXPS ID: 32767

Nearest neighbour

LSXPS J155042.3-541843 — 31″ away

Nearest 'OK' neighbour

LSXPS J155041.5-541742 — 45″ 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)	4.0 (±1.2) ×10^-4	0.00 (+1.66, -0.00) ×10^-5	8 (+5, -4) ×10^-5	1.2 (±0.7) ×10^-4
Peak rate (ct s^-1)	2.22 (+1.06, -0.85) ×10^-2	0.00 (+1.66, -0.00) ×10^-5	1.9 (+0.9, -0.7) ×10^-3	1.8 (+0.7, -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	< 6.34× 10^-5	< 2.19× 10^-4	< 3.34× 10^-4
Counts detected	600	35	164	401
BG counts	488.3	40.91	141.4	366.2
Corr fact	1.40	1.40	1.40	1.40
P_const,χ	9.30×10^-2 (obs) 0.39 (snapshot)	9.09×10^-2 (obs) 0.97 (snapshot)	8.59×10^-2 (obs) 0.90 (snapshot)	9.09×10^-2 (obs) 1.43×10^-2 (snapshot)