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:: 127 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 (+1.07, -0.00) ×10^-4 ct s^-1
Galactic N_H: 8.3×10²¹ cm^-2
HRs: HR1=0.28 (+0.72, -0.24)
HR2=-0.37 (+0.16, -0.63)
Observed between:: and 2025-04-07 12:19
Present in:: 91 datasets (total)
3 datasets (with blind detections)
23 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 (+1.07, -0.00) ×10^-4	0.00 (+5.59, -0.00) ×10^-5	0.00 (+8.22, -0.00) ×10^-5	0.00 (+4.78, -0.00) ×10^-5
Peak rate (ct s^-1)	0.00 (+1.07, -0.00) ×10^-4	0.00 (+5.59, -0.00) ×10^-5	1.30 (+0.29, -0.27) ×10^-3	0.00 (+4.78, -0.00) ×10^-5
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 4.49× 10^-4	< 2.39× 10^-4	N/A	< 2.20× 10^-4
Counts detected	142	26	81	35
BG counts	166.9	36.57	101.2	56.79
Corr fact	1.37	1.37	1.37	1.37
P_const,χ	1.58×10^-7 (obs) 0.56 (snapshot)	1.58×10^-7 (obs) 7.94×10^-2 (snapshot)	1.58×10^-7 (obs) 0.57 (snapshot)	1.58×10^-7 (obs) 0.14 (snapshot)