LSXPS J202751.4+393909

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202751.4+393909 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 2.2′ away.

Detection flag:: Good
Total exposure:: 58 ks
RA (J2000):: 20^h 27^m 51.41^s=306.9642°
Dec (J2000):: +39° 39′ 09.6″=+39.6527°
Err₉₀:: 8.6′′(Star trackers)
l:: +78° 16′ 37.8″=78.2772°
b:: +00° 38′ 15.3″=+0.6376°
Mean count rate: 6.0 (+1.9, -1.7) ×10^-4 ct s^-1
Galactic N_H: 1.3×10²² cm^-2
HRs: HR1=-0.64 (+0.10, -0.36)
HR2=0.50 (+0.50, -0.13)
Observed between:: 2019-07-20 02:12 and 2025-02-10 22:58
Present in:: 28 datasets (total)
1 datasets (with blind detections)
4 datasets (count-rate detections)
External catalogue matches:: 7
Search Vizier | Simbad.
LSXPS ID: 1025989

Nearest neighbour

LSXPS J202747.6+394112 — 2.2′ away

Nearest 'OK' neighbour

LSXPS J202747.6+394112 — 2.2′ 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)	6.0 (+1.9, -1.7) ×10^-4	3.0 (+1.3, -1.2) ×10^-4	5 (+6, -5) ×10^-5	2.25 (+1.13, -0.97) ×10^-4
Peak rate (ct s^-1)	1.5 (+0.8, -0.6) ×10^-2	3.0 (+1.3, -1.2) ×10^-4	1.2 (+0.8, -0.6) ×10^-3	1.0 (+0.6, -0.5) ×10^-2
Detected?	Yes	Blind: No Retrospective: Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 7.35× 10^-4	< 3.40× 10^-4	< 5.98× 10^-4
Counts detected	52	26	8	18
BG counts	27.48	13.77	5.847	8.861
Corr fact	1.45	1.45	1.45	1.45
P_const,χ	1.06×10^-5 (obs) 4.35×10^-3 (snapshot)	8.79×10^-4 (obs) 0.78 (snapshot)	8.79×10^-4 (obs) 6.17×10^-2 (snapshot)	8.79×10^-4 (obs) 4.62×10^-2 (snapshot)