LSXPS J202847.5+394136

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202847.5+394136 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 23″ away and the nearest good/reasonable source is 2.3′ away.

Detection flag:: Good
Total exposure:: 57 ks
RA (J2000):: 20^h 28^m 47.59^s=307.1983°
Dec (J2000):: +39° 41′ 36.6″=+39.6935°
Err₉₀:: 3.6′′(XRT+2MASS)
l:: +78° 24′ 56.0″=78.4156°
b:: +00° 30′ 54.7″=+0.5152°
Mean count rate: 9.5 (+2.7, -2.5) ×10^-4 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.927 (+0.013, -0.073)
HR2=0.63 (+0.37, -0.06)
Observed between:: 2019-07-20 02:12 and 2025-02-10 22:58
Present in:: 32 datasets (total)
5 datasets (with blind detections)
9 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 1025049

Nearest neighbour

LSXPS J202847.3+394200 — 23″ away

Nearest 'OK' neighbour

LSXPS J202848.6+393917 — 2.3′ away

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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)	9.5 (+2.7, -2.5) ×10^-4	9.1 (+2.4, -2.2) ×10^-4	0.00 (+6.73, -0.00) ×10^-5	9.4 (+10.4, -8.7) ×10^-5
Peak rate (ct s^-1)	3.1 (+0.7, -0.6) ×10^-2	3.2 (+0.7, -0.6) ×10^-2	0.00 (+6.73, -0.00) ×10^-5	9.4 (+10.4, -8.7) ×10^-5
Detected?	Blind: No Retrospective: Yes	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 1.84× 10^-3	N/A	< 2.94× 10^-4	< 5.45× 10^-4
Counts detected	53	40	3	10
BG counts	26.66	14.72	5.570	7.398
Corr fact	2.06	2.06	2.06	2.06
P_const,χ	<10^-16 (obs) <10^-16 (snapshot)	<10^-16 (obs) <10^-16 (snapshot)	<10^-16 (obs) 1.54×10^-14 (snapshot)	<10^-16 (obs) 0.28 (snapshot)