LSXPS J203041.7+400503

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203041.7+400503 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 2.7′ away and the nearest good/reasonable source is 4.0′ away.

Detection flag:: Reasonable, but may be affected by, or due to, stray light.
Total exposure:: 30 ks
RA (J2000):: 20^h 30^m 41.74^s=307.6739°
Dec (J2000):: +40° 05′ 03.6″=+40.0843°
Err₉₀:: 5.4′′(XRT+2MASS)
l:: +78° 56′ 46.4″=78.9462°
b:: +00° 26′ 57.6″=+0.4493°
Mean count rate: 1.2 (+5.3, -1.2) ×10^-4 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.42 (+0.14, -0.58)
HR2=-0.1 (+0.4, -0.9)
Observed between:: and 2025-02-10 22:56
Present in:: 48 datasets (total)
8 datasets (with blind detections)
8 datasets (count-rate detections)
External catalogue matches:: 6
Search Vizier | Simbad.
LSXPS ID: 625224

Nearest neighbour

LSXPS J203048.5+400239 — 2.7′ away

Nearest 'OK' neighbour

LSXPS J203024.1+400713 — 4.0′ 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)	1.2 (+5.3, -1.2) ×10^-4	4.0 (+3.8, -2.9) ×10^-4	1.0 (+2.5, -1.0) ×10^-4	0.00 (+2.91, -0.00) ×10^-4
Peak rate (ct s^-1)	1.71 (+1.02, -0.79) ×10^-3	2.6 (+2.0, -1.4) ×10^-3	1.0 (+2.5, -1.0) ×10^-4	0.00 (+2.91, -0.00) ×10^-4
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 1.90× 10^-3	< 1.26× 10^-3	< 1.25× 10^-3
Counts detected	12	6	2	4
BG counts	11.19	3.220	1.290	6.778
Corr fact	2.35	2.35	2.35	2.35
P_const,χ	9.21×10^-15 (obs) 9.20×10^-2 (snapshot)	9.21×10^-15 (obs) 3.23×10^-3 (snapshot)	9.21×10^-15 (obs) 1.00 (snapshot)	9.21×10^-15 (obs) 1.00 (snapshot)