LSXPS J202740.0+393550

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202740.0+393550 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 2.6′ away and the nearest good/reasonable source is 3.9′ away.

Detection flag:: Poor
Total exposure:: 106 ks
RA (J2000):: 20^h 27^m 40.02^s=306.9167°
Dec (J2000):: +39° 35′ 50.5″=+39.5974°
Err₉₀:: 4.7′′(XRT+2MASS)
l:: +78° 12′ 39.3″=78.2109°
b:: +00° 38′ 06.2″=+0.6351°
Mean count rate: 2.6 (+1.7, -1.6) ×10^-4 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.41 (+0.14, -0.59)
HR2=0.28 (+0.72, -0.19)
Observed between:: and 2025-02-10 22:58
Present in:: 33 datasets (total)
1 datasets (with blind detections)
1 datasets (count-rate detections)
External catalogue matches:: 3
Search Vizier | Simbad.
LSXPS ID: 1024212

Nearest neighbour

LSXPS J202735.7+393324 — 2.6′ away

Nearest 'OK' neighbour

LSXPS J202726.3+393256 — 3.9′ 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)	2.6 (+1.7, -1.6) ×10^-4	1.12 (+1.08, -0.94) ×10^-4	1.8 (+8.6, -1.8) ×10^-5	8 (+9, -8) ×10^-5
Peak rate (ct s^-1)	3.8 (+2.6, -1.8) ×10^-3	1.12 (+1.08, -0.94) ×10^-4	1.8 (+8.6, -1.8) ×10^-5	8 (+9, -8) ×10^-5
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 5.46× 10^-4	< 3.50× 10^-4	< 4.63× 10^-4
Counts detected	36	17	7	12
BG counts	26.93	13.10	6.357	9.258
Corr fact	1.71	1.71	1.71	1.71
P_const,χ	0.97 (obs) 3.28×10^-2 (snapshot)	0.97 (obs) 0.12 (snapshot)	0.97 (obs) 1.89×10^-2 (snapshot)	0.97 (obs) 1.15×10^-3 (snapshot)