LSXPS J203741.4+411821

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203741.4+411821 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 3.4′ away and the nearest good/reasonable source is 15.3′ away.

Detection flag:: Reasonable, but may be affected by, or due to, stray light.
Total exposure:: 16 ks
RA (J2000):: 20^h 37^m 41.47^s=309.4228°
Dec (J2000):: +41° 18′ 21.4″=+41.3059°
Err₉₀:: 9.7′′(XRT+2MASS)
l:: +80° 43′ 04.5″=80.7179°
b:: +00° 06′ 56.0″=+0.1156°
Mean count rate: 5.3 (+14.2, -5.3) ×10^-4 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.53 (+0.12, -0.47)
HR2=0.38 (+0.62, -0.16)
Observed between:: and 2024-08-12 23:02
Present in:: 47 datasets (total)
2 datasets (with blind detections)
20 datasets (count-rate detections)
External catalogue matches:: 7
Search Vizier | Simbad.
LSXPS ID: 633508

Nearest neighbour

LSXPS J203740.8+411457 — 3.4′ away

Nearest 'OK' neighbour

LSXPS J203831.5+413024 — 15.3′ 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)	5.3 (+14.2, -5.3) ×10^-4	1.2 (+0.9, -0.7) ×10^-3	0.00 (+6.89, -0.00) ×10^-4	0.00 (+1.15, -0.00) ×10^-3
Peak rate (ct s^-1)	5.3 (+14.2, -5.3) ×10^-4	1.9 (+1.8, -1.1) ×10^-2	0.00 (+6.89, -0.00) ×10^-4	2.46 (+1.21, -0.94) ×10^-3
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	< 6.08× 10^-3	< 4.89× 10^-3	< 2.88× 10^-3	N/A
Counts detected	13	4	1	8
BG counts	11.66	0.891	1.131	9.851
Corr fact	2.14	2.14	2.14	2.14
P_const,χ	2.87×10^-10 (obs) 6.85×10^-4 (snapshot)	2.87×10^-10 (obs) 1.00 (snapshot)	2.87×10^-10 (obs) 1.00 (snapshot)	2.87×10^-10 (obs) 3.57×10^-11 (snapshot)