LSXPS J202807.1+380421

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202807.1+380421 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 3.8′ away and the nearest good/reasonable source is 9.9′ away.

Detection flag:: Good
Total exposure:: 32 ks
RA (J2000):: 20^h 28^m 07.10^s=307.0296°
Dec (J2000):: +38° 04′ 21.6″=+38.0727°
Err₉₀:: 5.0′′(XRT+2MASS)
l:: +77° 01′ 24.9″=77.0236°
b:: -00° 19′ 31.9″=-0.3255°
Mean count rate: 6 (+4, -3) ×10^-4 ct s^-1
Galactic N_H: 1.1×10²² cm^-2
HRs: HR1=0.24 (+0.76, -0.28)
HR2=0.61 (+0.39, -0.10)
Observed between:: and 2025-02-06 23:06
Present in:: 44 datasets (total)
10 datasets (with blind detections)
11 datasets (count-rate detections)
External catalogue matches:: 1
Search Vizier | Simbad.
LSXPS ID: 1011661

Nearest neighbour

LSXPS J202822.9+380631 — 3.8′ away

Nearest 'OK' neighbour

LSXPS J202716.9+380410 — 9.9′ 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)	6 (+4, -3) ×10^-4	0.00 (+1.61, -0.00) ×10^-4	1.2 (+1.6, -1.1) ×10^-4	6.1 (+3.2, -2.6) ×10^-4
Peak rate (ct s^-1)	7 (+4, -3) ×10^-3	0.00 (+1.61, -0.00) ×10^-4	1.2 (+1.6, -1.1) ×10^-4	5.2 (+3.8, -2.6) ×10^-3
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	N/A	< 6.82× 10^-4	< 8.80× 10^-4	N/A
Counts detected	16	2	3	11
BG counts	8.727	3.184	1.597	3.984
Corr fact	1.63	1.63	1.63	1.63
P_const,χ	0.53 (obs) 0.23 (snapshot)	0.53 (obs) 0.53 (snapshot)	0.53 (obs) 0.99 (snapshot)	0.53 (obs) 0.12 (snapshot)