LSXPS J155450.6-535747

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J155450.6-535747 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 114″ away.

Detection flag:: Good, but may be affected by optical loading.
Total exposure:: 75 ks
RA (J2000):: 15^h 54^m 50.64^s=238.7110°
Dec (J2000):: -53° 57′ 47.4″=-53.9632°
Err₉₀:: 2.8′′(XRT+2MASS)
l:: +327° 54′ 04.8″=327.9013°
b:: -00° 13′ 53.1″=-0.2314°
Mean count rate: 6.0 (+1.8, -1.6) ×10^-4 ct s^-1
Galactic N_H: 1.7×10²² cm^-2
HRs: HR1=-0.845 (+0.047, -0.155)
HR2=-0.21 (+0.29, -0.79)
Observed between:: and 2023-10-21 13:42
Present in:: 40 datasets (total)
4 datasets (with blind detections)
7 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 725707

Nearest neighbour

LSXPS J155453.8-535556 — 114″ away

Nearest 'OK' neighbour

LSXPS J155453.8-535556 — 114″ 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)	6.0 (+1.8, -1.6) ×10^-4	6.8 (+1.5, -1.4) ×10^-4	1.5 (+6.7, -1.5) ×10^-5	0.00 (+5.16, -0.00) ×10^-5
Peak rate (ct s^-1)	8 (+5, -4) ×10^-3	3.5 (+2.0, -1.5) ×10^-3	1.5 (+6.7, -1.5) ×10^-5	0.00 (+5.16, -0.00) ×10^-5
Detected?	Yes	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	N/A	< 2.73× 10^-4	< 2.23× 10^-4
Counts detected	57	42	7	8
BG counts	30.24	11.47	6.321	13.14
Corr fact	1.47	1.47	1.47	1.47
P_const,χ	1.39×10^-4 (obs) 5.35×10^-3 (snapshot)	1.39×10^-4 (obs) 9.67×10^-2 (snapshot)	1.39×10^-4 (obs) 1.64×10^-2 (snapshot)	1.39×10^-4 (obs) 0.92 (snapshot)