LSXPS J201831.4+355915

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J201831.4+355915 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 3.5′ away.

Detection flag:: Good
Total exposure:: 12 ks
RA (J2000):: 20^h 18^m 31.43^s=304.6310°
Dec (J2000):: +35° 59′ 15.4″=+35.9876°
Err₉₀:: 4.9′′(XRT+2MASS)
l:: +74° 13′ 03.5″=74.2177°
b:: +00° 02′ 53.4″=+0.0482°
Mean count rate: 1.0 (+0.5, -0.4) ×10^-3 ct s^-1
Galactic N_H: 1.1×10²² cm^-2
HRs: HR1=-0.50 (+0.12, -0.50)
HR2=-0.41 (+0.16, -0.59)
Observed between:: 2012-01-25 00:43 and 2024-01-16 21:22
Present in:: 25 datasets (total)
12 datasets (with blind detections)
15 datasets (count-rate detections)
External catalogue matches:: 3
Search Vizier | Simbad.
LSXPS ID: 1085441

Nearest neighbour

LSXPS J201835.3+360237 — 3.5′ away

Nearest 'OK' neighbour

LSXPS J201835.3+360237 — 3.5′ 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)	1.0 (+0.5, -0.4) ×10^-3	9 (+4, -3) ×10^-4	2.4 (+2.6, -1.7) ×10^-4	0.00 (+1.99, -0.00) ×10^-4
Peak rate (ct s^-1)	7 (+5, -3) ×10^-3	9 (+8, -5) ×10^-3	2.4 (+2.6, -1.7) ×10^-4	0.00 (+1.99, -0.00) ×10^-4
Detected?	Yes	Blind: No Retrospective: Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 2.38× 10^-3	< 1.31× 10^-3	< 8.75× 10^-4
Counts detected	13	9	3	1
BG counts	4.494	1.874	1.022	1.716
Corr fact	1.50	1.50	1.50	1.50
P_const,χ	3.04×10^-6 (obs) 5.53×10^-2 (snapshot)	3.04×10^-6 (obs) 5.69×10^-3 (snapshot)	3.04×10^-6 (obs) 0.94 (snapshot)	3.04×10^-6 (obs) 2.66×10^-2 (snapshot)