LSXPS J181256.9-221353

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J181256.9-221353 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 74″ away and the nearest good/reasonable source is 96″ away.

Detection flag:: Good
Total exposure:: 79 ks
RA (J2000):: 18^h 12^m 56.98^s=273.2374°
Dec (J2000):: -22° 13′ 53.5″=-22.2315°
Err₉₀:: 5.3′′(XRT+2MASS)
l:: +08° 52′ 56.8″=8.8824°
b:: -01° 59′ 43.6″=-1.9954°
Mean count rate: 3.4 (+2.0, -1.9) ×10^-4 ct s^-1
Galactic N_H: 8.3×10²¹ cm^-2
HRs: HR1=0.1 (+0.8, -0.3)
HR2=0.2 (±0.4)
Observed between:: 2009-09-30 14:26 and 2025-05-19 15:22
Present in:: 92 datasets (total)
23 datasets (with blind detections)
23 datasets (count-rate detections)
External catalogue matches:: 3
Search Vizier | Simbad.
LSXPS ID: 1108899

Nearest neighbour

LSXPS J181302.3-221346 — 74″ away

Nearest 'OK' neighbour

LSXPS J181259.2-221221 — 96″ 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)	3.4 (+2.0, -1.9) ×10^-4	1.7 (+10.9, -1.7) ×10^-5	0.00 (+1.24, -0.00) ×10^-4	1.8 (+1.2, -1.1) ×10^-4
Peak rate (ct s^-1)	6.7 (+2.6, -2.5) ×10^-4	1.7 (+10.9, -1.7) ×10^-5	0.00 (+1.24, -0.00) ×10^-4	2.4 (+1.5, -1.4) ×10^-4
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	N/A	< 3.91× 10^-4	< 4.22× 10^-4	N/A
Counts detected	126	33	50	43
BG counts	107.6	32.06	52.35	33.30
Corr fact	1.46	1.46	1.46	1.46
P_const,χ	0.90 (obs) 9.87×10^-14 (snapshot)	0.90 (obs) 0.66 (snapshot)	0.90 (obs) <10^-16 (snapshot)	0.90 (obs) 5.29×10^-4 (snapshot)