LSXPS J173942.7-283149

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J173942.7-283149 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 35″ away and the nearest good/reasonable source is 40″ away.

Detection flag:: Poor
Total exposure:: 25 ks
RA (J2000):: 17^h 39^m 42.71^s=264.9279°
Dec (J2000):: -28° 31′ 49.9″=-28.5305°
Err₉₀:: 5.5′′(XRT+2MASS)
l:: +359° 39′ 47.4″=359.6632°
b:: +01° 18′ 53.1″=+1.3148°
Mean count rate: 0.00 (+6.02, -0.00) ×10^-4 ct s^-1
Galactic N_H: 9.5×10²¹ cm^-2
HRs: HR1=0.738 (+0.262, +0.014)
HR2=-0.24 (+0.26, -0.76)
Observed between:: and 2023-10-31 13:20
Present in:: 122 datasets (total)
1 datasets (with blind detections)
22 datasets (count-rate detections)
External catalogue matches:: 5
Search Vizier | Simbad.
LSXPS ID: 364810

Nearest neighbour

LSXPS J173940.3-283205 — 35″ away

Nearest 'OK' neighbour

— 40″ away

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This source is in a field with stray light; however, this should have been correctly handled.

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 (+6.02, -0.00) ×10^-4	0.00 (+2.33, -0.00) ×10^-4	4 (+6, -4) ×10^-4	0.00 (+5.12, -0.00) ×10^-4
Peak rate (ct s^-1)	0.00 (+6.02, -0.00) ×10^-4	0.00 (+2.33, -0.00) ×10^-4	2.5 (+0.8, -0.7) ×10^-3	0.00 (+5.12, -0.00) ×10^-4
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 2.62× 10^-3	< 1.00× 10^-3	N/A	< 2.24× 10^-3
Counts detected	98	2	32	64
BG counts	123.9	3.444	28.89	84.89
Corr fact	1.51	1.51	1.51	1.51
P_const,χ	<10^-16 (obs) 1.00 (snapshot)	<10^-16 (obs) 0.83 (snapshot)	<10^-16 (obs) 0.12 (snapshot)	<10^-16 (obs) 2.82×10^-4 (snapshot)