LSXPS J181221.4-221831

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J181221.4-221831 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 57″ away and the nearest good/reasonable source is 4.3′ away.

Detection flag:: Good
Total exposure:: 146 ks
RA (J2000):: 18^h 12^m 21.45^s=273.0894°
Dec (J2000):: -22° 18′ 31.2″=-22.3087°
Err₉₀:: 3.8′′(XRT+2MASS)
l:: +08° 44′ 56.5″=8.7490°
b:: -01° 54′ 43.8″=-1.9122°
Mean count rate: 0.00 (+8.41, -0.00) ×10^-5 ct s^-1
Galactic N_H: 8.3×10²¹ cm^-2
HRs: HR1=0.1 (+0.9, -0.5)
HR2=-0.2 (+0.4, -0.8)
Observed between:: and 2025-09-15 15:00
Present in:: 115 datasets (total)
3 datasets (with blind detections)
27 datasets (count-rate detections)
External catalogue matches:: 4
Search Vizier | Simbad.
LSXPS ID: 851388

Nearest neighbour

LSXPS J181217.3-221820 — 57″ away

Nearest 'OK' neighbour

— 4.3′ 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)	0.00 (+8.41, -0.00) ×10^-5	0.00 (+5.42, -0.00) ×10^-5	0.00 (+5.82, -0.00) ×10^-5	0.00 (+4.10, -0.00) ×10^-5
Peak rate (ct s^-1)	0.00 (+8.41, -0.00) ×10^-5	0.00 (+5.42, -0.00) ×10^-5	1.30 (+0.29, -0.27) ×10^-3	0.00 (+4.10, -0.00) ×10^-5
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 3.59× 10^-4	< 2.23× 10^-4	N/A	< 1.88× 10^-4
Counts detected	157	34	82	41
BG counts	186.8	43.72	108.3	63.93
Corr fact	1.37	1.37	1.37	1.37
P_const,χ	2.36×10^-9 (obs) 8.84×10^-2 (snapshot)	2.36×10^-9 (obs) 0.37 (snapshot)	2.36×10^-9 (obs) 0.34 (snapshot)	2.36×10^-9 (obs) 3.36×10^-9 (snapshot)