LSXPS J202717.7+394432

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202717.7+394432 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 35″ away and the nearest good/reasonable source is 5.8′ away.

Detection flag:: Good
Total exposure:: 56 ks
RA (J2000):: 20^h 27^m 17.80^s=306.8242°
Dec (J2000):: +39° 44′ 32.3″=+39.7423°
Err₉₀:: 3.2′′(XRT+2MASS)
l:: +78° 17′ 14.2″=78.2873°
b:: +00° 46′ 38.6″=+0.7774°
Mean count rate: 1.7 (±0.4) ×10^-3 ct s^-1
Galactic N_H: 1.3×10²² cm^-2
HRs: HR1=0.48 (±0.17)
HR2=-0.63 (+0.14, -0.18)
Observed between:: 2019-07-20 02:06 and 2025-02-10 22:58
Present in:: 37 datasets (total)
19 datasets (with blind detections)
21 datasets (count-rate detections)
External catalogue matches:: 2
Search Vizier | Simbad.
LSXPS ID: 1028365

Nearest neighbour

LSXPS J202720.2+394411 — 35″ away

Nearest 'OK' neighbour

LSXPS J202654.7+394820 — 5.8′ 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)	1.7 (±0.4) ×10^-3	1.5 (+1.7, -1.5) ×10^-4	1.30 (+0.32, -0.28) ×10^-3	1.2 (+1.5, -1.2) ×10^-4
Peak rate (ct s^-1)	1.7 (±0.4) ×10^-3	2.8 (+2.7, -1.6) ×10^-2	1.30 (+0.32, -0.28) ×10^-3	1.2 (+1.5, -1.2) ×10^-4
Detected?	Yes	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 9.12× 10^-4	N/A	< 7.84× 10^-4
Counts detected	48	12	28	8
BG counts	18.78	9.342	5.076	5.870
Corr fact	3.33	3.33	3.33	3.33
P_const,χ	3.36×10^-6 (obs) 0.63 (snapshot)	2.31×10^-6 (obs) 6.68×10^-5 (snapshot)	2.31×10^-6 (obs) 0.92 (snapshot)	2.31×10^-6 (obs) 0.99 (snapshot)