LSXPS J202755.6+375424

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202755.6+375424 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 2.6′ away.

Detection flag:: Reasonable, but may be affected by, or due to, stray light.
Total exposure:: 21 ks
RA (J2000):: 20^h 27^m 55.60^s=306.9817°
Dec (J2000):: +37° 54′ 24.4″=+37.9068°
Err₉₀:: 6.2′′(XRT+2MASS)
l:: +76° 52′ 00.6″=76.8668°
b:: -00° 23′ 30.0″=-0.3917°
Mean count rate: 8 (+4, -3) ×10^-4 ct s^-1
Galactic N_H: 1.1×10²² cm^-2
HRs: HR1=-0.736 (+0.048, -0.264)
HR2=0.39 (+0.61, -0.15)
Observed between:: 2016-06-03 22:09 and 2025-01-19 19:45
Present in:: 41 datasets (total)
3 datasets (with blind detections)
11 datasets (count-rate detections)
External catalogue matches:: 3
Search Vizier | Simbad.
LSXPS ID: 1006533

Nearest neighbour

LSXPS J202743.9+375535 — 2.6′ away

Nearest 'OK' neighbour

LSXPS J202743.9+375535 — 2.6′ 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)	8 (+4, -3) ×10^-4	6.0 (+2.8, -2.3) ×10^-4	1.4 (+15.0, -1.4) ×10^-5	1.6 (+1.9, -1.5) ×10^-4
Peak rate (ct s^-1)	3.2 (+2.0, -1.4) ×10^-2	3.2 (+2.0, -1.4) ×10^-2	1.4 (+15.0, -1.4) ×10^-5	10 (+8, -5) ×10^-3
Detected?	Yes	Blind: No Retrospective: Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 1.59× 10^-3	< 6.22× 10^-4	< 9.77× 10^-4
Counts detected	21	12	2	7
BG counts	10.47	3.795	1.808	4.808
Corr fact	1.58	1.58	1.58	1.58
P_const,χ	<10^-16 (obs) 3.80×10^-11 (snapshot)	<10^-16 (obs) <10^-16 (snapshot)	<10^-16 (obs) 0.64 (snapshot)	<10^-16 (obs) 2.67×10^-2 (snapshot)