LSXPS J202847.8+394112

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202847.8+394112 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 24″ away.

Detection flag:: Good
Total exposure:: 57 ks
RA (J2000):: 20^h 28^m 47.85^s=307.1994°
Dec (J2000):: +39° 41′ 12.4″=+39.6868°
Err₉₀:: 8.0′′(XRT+2MASS)
l:: +78° 24′ 38.1″=78.4106°
b:: +00° 30′ 38.1″=+0.5106°
Mean count rate: 5.8 (+1.9, -1.7) ×10^-4 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.942 (+0.006, -0.058)
HR2=0.48 (+0.52, -0.08)
Observed between:: 2019-07-20 02:12 and 2025-02-10 22:58
Present in:: 29 datasets (total)
1 datasets (with blind detections)
6 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 1025070

Nearest neighbour

LSXPS J202847.5+394136 — 24″ away

Nearest 'OK' neighbour

LSXPS J202847.5+394136 — 24″ 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)	5.8 (+1.9, -1.7) ×10^-4	6.1 (+1.7, -1.5) ×10^-4	0.00 (+3.94, -0.00) ×10^-5	3 (+8, -3) ×10^-5
Peak rate (ct s^-1)	3.4 (±0.7) ×10^-2	3.4 (±0.7) ×10^-2	0.00 (+3.94, -0.00) ×10^-5	3 (+8, -3) ×10^-5
Detected?	Yes	Blind: No Retrospective: Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 1.15× 10^-3	< 1.83× 10^-4	< 3.44× 10^-4
Counts detected	50	39	2	9
BG counts	27.05	14.84	5.637	7.674
Corr fact	1.46	1.46	1.46	1.46
P_const,χ	<10^-16 (obs) <10^-16 (snapshot)	<10^-16 (obs) <10^-16 (snapshot)	<10^-16 (obs) 1.00 (snapshot)	<10^-16 (obs) 4.07×10^-2 (snapshot)