LSXPS J203055.9+412854

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203055.9+412854 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 36″ away and the nearest good/reasonable source is 67″ away.

Detection flag:: Good
Total exposure:: 253 ks
RA (J2000):: 20^h 30^m 55.92^s=307.7330°
Dec (J2000):: +41° 28′ 54.0″=+41.4817°
Err₉₀:: 2.7′′(XRT+2MASS)
l:: +80° 06′ 05.0″=80.1014°
b:: +01° 14′ 13.3″=+1.2370°
Mean count rate: 4 (±3) ×10^-4 ct s^-1
Galactic N_H: 1.3×10²² cm^-2
HRs: HR1=0.04 (+0.16, -0.15)
HR2=0.01 (±0.15)
Observed between:: 2005-01-04 01:30 and 2024-09-14 18:49
Present in:: 103 datasets (total)
7 datasets (with blind detections)
8 datasets (count-rate detections)
External catalogue matches:: 6
Search Vizier | Simbad.
LSXPS ID: 342211

Nearest neighbour

LSXPS J203058.8+412913 — 36″ away

Nearest 'OK' neighbour

LSXPS J203101.5+412828 — 67″ 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)	4 (±3) ×10^-4	1.9 (+1.9, -1.7) ×10^-4	3.2 (+2.3, -2.0) ×10^-4	0.00 (+1.74, -0.00) ×10^-4
Peak rate (ct s^-1)	2.6 (+1.5, -1.4) ×10^-4	1.37 (+1.31, -0.80) ×10^-2	3.2 (+2.3, -2.0) ×10^-4	1.7 (+0.6, -0.5) ×10^-4
Detected?	Yes	Blind: No Retrospective: No	Yes	Yes
3 σ UL (ct s^-1)	N/A	< 9.47× 10^-4	N/A	N/A
Counts detected	75	23	25	27
BG counts	67.05	18.87	17.86	33.64
Corr fact	11.38	11.38	11.38	11.38
P_const,χ	1.24×10^-2 (obs) 0.68 (snapshot)	1.24×10^-2 (obs) 0.18 (snapshot)	1.24×10^-2 (obs) 0.83 (snapshot)	1.24×10^-2 (obs) 1.00 (snapshot)