LSXPS J203048.5+400239

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203048.5+400239 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 86″ away and the nearest good/reasonable source is 6.5′ away.

Detection flag:: Reasonable, but may be affected by, or due to, stray light.
Total exposure:: 28 ks
RA (J2000):: 20^h 30^m 48.56^s=307.7023°
Dec (J2000):: +40° 02′ 39.5″=+40.0443°
Err₉₀:: 4.0′′(XRT+2MASS)
l:: +78° 55′ 36.1″=78.9267°
b:: +00° 24′ 29.4″=+0.4082°
Mean count rate: 0.00 (+3.64, -0.00) ×10^-4 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.61 (+0.08, -0.39)
HR2=0.27 (+0.73, -0.26)
Observed between:: and 2023-12-08 23:07
Present in:: 38 datasets (total)
6 datasets (with blind detections)
12 datasets (count-rate detections)
External catalogue matches:: 1
Search Vizier | Simbad.
LSXPS ID: 651004

Nearest neighbour

LSXPS J203048.6+400112 — 86″ away

Nearest 'OK' neighbour

LSXPS J203024.1+400713 — 6.5′ 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 (+3.64, -0.00) ×10^-4	3.5 (+2.9, -2.2) ×10^-4	0.00 (+1.84, -0.00) ×10^-4	0.00 (+2.41, -0.00) ×10^-4
Peak rate (ct s^-1)	5.3 (+3.2, -2.4) ×10^-3	6.2 (+3.2, -2.4) ×10^-3	0.00 (+1.84, -0.00) ×10^-4	1.2 (+0.5, -0.4) ×10^-3
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 1.42× 10^-3	< 7.75× 10^-4	< 1.06× 10^-3
Counts detected	22	7	2	13
BG counts	27.33	3.419	3.049	21.29
Corr fact	1.90	1.90	1.90	1.90
P_const,χ	5.39×10^-8 (obs) 3.90×10^-2 (snapshot)	5.39×10^-8 (obs) 1.00 (snapshot)	5.39×10^-8 (obs) 1.00 (snapshot)	5.39×10^-8 (obs) 1.00 (snapshot)