LSXPS J173927.5-272057

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J173927.5-272057 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 14″ away and the nearest good/reasonable source is 5.2′ away.

Detection flag:: Good
Total exposure:: 87 ks
RA (J2000):: 17^h 39^m 27.56^s=264.8648°
Dec (J2000):: -27° 20′ 57.8″=-27.3494°
Err₉₀:: 3.7′′(XRT+2MASS)
l:: +00° 38′ 03.6″=0.6343°
b:: +01° 59′ 23.8″=+1.9899°
Mean count rate: 6.0 (+1.4, -1.3) ×10^-3 ct s^-1
Galactic N_H: 8.2×10²¹ cm^-2
HRs: HR1=0.52 (+0.48, -0.13)
HR2=0.68 (+0.17, -0.13)
Observed between:: and 2024-05-16 23:39
Present in:: 89 datasets (total)
2 datasets (with blind detections)
6 datasets (count-rate detections)
External catalogue matches:: 3
Search Vizier | Simbad.
LSXPS ID: 369216

Nearest neighbour

LSXPS J173927.6-272112 — 14″ away

Nearest 'OK' neighbour

— 5.2′ 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)	6.0 (+1.4, -1.3) ×10^-3	0.00 (+4.64, -0.00) ×10^-4	7 (+6, -5) ×10^-4	5.3 (+1.3, -1.1) ×10^-3
Peak rate (ct s^-1)	8 (+5, -3) ×10^-3	0.00 (+4.64, -0.00) ×10^-4	7 (+6, -5) ×10^-4	2.2 (+2.1, -1.3) ×10^-2
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	N/A	< 1.86× 10^-3	< 3.06× 10^-3	N/A
Counts detected	35	2	6	27
BG counts	8.504	2.394	3.038	3.572
Corr fact	2.59	2.59	2.59	2.59
P_const,χ	0.16 (obs) 0.21 (snapshot)	0.16 (obs) 1.00 (snapshot)	0.16 (obs) 5.60×10^-3 (snapshot)	0.16 (obs) 0.68 (snapshot)