LSXPS J202850.9+393454

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202850.9+393454 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 23″ away.

Detection flag:: Poor
Total exposure:: 60 ks
RA (J2000):: 20^h 28^m 50.96^s=307.2123°
Dec (J2000):: +39° 34′ 54.3″=+39.5818°
Err₉₀:: 5.4′′(XRT+2MASS)
l:: +78° 19′ 52.6″=78.3313°
b:: +00° 26′ 27.7″=+0.4410°
Mean count rate: 6.4 (+2.9, -2.6) ×10^-4 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.738 (+0.069, -0.262)
HR2=-0.49 (+0.12, -0.51)
Observed between:: 2012-01-29 02:29 and 2025-02-10 22:58
Present in:: 37 datasets (total)
1 datasets (with blind detections)
4 datasets (count-rate detections)
External catalogue matches:: 1
Search Vizier | Simbad.
LSXPS ID: 1028387

Nearest neighbour

LSXPS J202850.6+393517 — 23″ away

Nearest 'OK' neighbour

LSXPS J202850.6+393517 — 23″ 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)	6.4 (+2.9, -2.6) ×10^-4	7.3 (+2.6, -2.3) ×10^-4	3.1 (+12.0, -3.1) ×10^-5	0.00 (+7.16, -0.00) ×10^-5
Peak rate (ct s^-1)	2.4 (+0.7, -0.6) ×10^-2	2.3 (+0.7, -0.6) ×10^-2	3.1 (+12.0, -3.1) ×10^-5	0.00 (+7.16, -0.00) ×10^-5
Detected?	Yes	Blind: No Retrospective: Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 1.58× 10^-3	< 5.04× 10^-4	< 3.32× 10^-4
Counts detected	40	31	6	3
BG counts	25.18	14.24	5.295	7.798
Corr fact	2.60	2.60	2.60	2.60
P_const,χ	2.37×10^-3 (obs) 1.03×10^-5 (snapshot)	2.37×10^-3 (obs) 5.13×10^-4 (snapshot)	2.37×10^-3 (obs) 0.12 (snapshot)	2.37×10^-3 (obs) 1.54×10^-11 (snapshot)