LSXPS J202759.9+411147

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202759.9+411147 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 39″ away and the nearest good/reasonable source is 2.4′ away.

Detection flag:: Reasonable, but may be affected by, or due to, stray light.
Total exposure:: 22 ks
RA (J2000):: 20^h 27^m 59.99^s=307.0000°
Dec (J2000):: +41° 11′ 47.0″=+41.1964°
Err₉₀:: 6.9′′(Star trackers)
l:: +79° 32′ 50.7″=79.5474°
b:: +01° 30′ 56.1″=+1.5156°
Mean count rate: 0.00 (+3.12, -0.00) ×10^-4 ct s^-1
Galactic N_H: 1.3×10²² cm^-2
HRs: HR1=-0.36 (+0.19, -0.64)
HR2=0.701 (+0.299, +0.036)
Observed between:: 2008-06-15 05:13 and 2025-12-21 23:19
Present in:: 21 datasets (total)
1 datasets (with blind detections)
2 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 1198706

Nearest neighbour

LSXPS J202758.3+411112 — 39″ away

Nearest 'OK' neighbour

LSXPS J202804.7+411357 — 2.4′ 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 (+3.12, -0.00) ×10^-4	2.9 (+18.7, -2.9) ×10^-5	0.00 (+1.04, -0.00) ×10^-4	0.00 (+3.49, -0.00) ×10^-4
Peak rate (ct s^-1)	0.00 (+3.12, -0.00) ×10^-4	2.9 (+18.7, -2.9) ×10^-5	0.00 (+1.04, -0.00) ×10^-4	1.4 (±0.4) ×10^-2
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	< 1.21× 10^-3	< 7.61× 10^-4	< 4.98× 10^-4	N/A
Counts detected	28	4	1	23
BG counts	33.64	3.615	3.995	25.12
Corr fact	1.70	1.70	1.70	1.70
P_const,χ	1.00 (obs) 5.40×10^-3 (snapshot)	1.00 (obs) 1.00 (snapshot)	1.00 (obs) 1.00 (snapshot)	1.00 (obs) 1.00 (snapshot)