LSXPS J155537.5-540401

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J155537.5-540401 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 3.0′ away and the nearest good/reasonable source is 8.0′ away.

Detection flag:: Good
Total exposure:: 65 ks
RA (J2000):: 15^h 55^m 37.56^s=238.9065°
Dec (J2000):: -54° 04′ 01.2″=-54.0670°
Err₉₀:: 6.0′′(Star trackers)
l:: +327° 55′ 23.5″=327.9232°
b:: -00° 23′ 05.0″=-0.3847°
Mean count rate: 1.3 (+1.2, -1.1) ×10^-4 ct s^-1
Galactic N_H: 1.6×10²² cm^-2
HRs: HR1=-0.719 (+0.057, -0.281)
HR2=0.1 (+0.9, -0.4)
Observed between:: 2007-10-26 02:46 and 2023-10-21 13:42
Present in:: 40 datasets (total)
1 datasets (with blind detections)
1 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 731206

Nearest neighbour

LSXPS J155521.3-540550 — 3.0′ away

Nearest 'OK' neighbour

LSXPS J155446.6-540656 — 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)	1.3 (+1.2, -1.1) ×10^-4	2.13 (+1.10, -0.95) ×10^-4	0.00 (+6.20, -0.00) ×10^-5	0.00 (+6.95, -0.00) ×10^-5
Peak rate (ct s^-1)	1.3 (+1.2, -1.1) ×10^-4	3.8 (+2.4, -1.7) ×10^-3	0.00 (+6.20, -0.00) ×10^-5	0.00 (+6.95, -0.00) ×10^-5
Detected?	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 5.98× 10^-4	N/A	< 2.33× 10^-4	< 2.73× 10^-4
Counts detected	41	22	6	13
BG counts	35.01	12.24	6.899	16.57
Corr fact	1.44	1.44	1.44	1.44
P_const,χ	0.27 (obs) 0.11 (snapshot)	1.54×10^-3 (obs) 0.65 (snapshot)	0.27 (obs) 0.28 (snapshot)	0.27 (obs) 1.00 (snapshot)