LSXPS J203759.3+425049

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J203759.3+425049 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 54″ away.

Detection flag:: Good, but may be affected by optical loading.
Total exposure:: 23 ks
RA (J2000):: 20^h 37^m 59.32^s=309.4972°
Dec (J2000):: +42° 50′ 49.7″=+42.8471°
Err₉₀:: 2.1′′(XRT+2MASS)
l:: +81° 58′ 40.7″=81.9780°
b:: +01° 00′ 17.5″=+1.0048°
Mean count rate: 5.2 (±0.6) ×10^-3 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.82 (+0.06, -0.08)
HR2=-0.8254 (+0.0093, -0.1746)
Observed between:: 2009-12-19 08:43 and 2026-02-05 10:26
Present in:: 51 datasets (total)
28 datasets (with blind detections)
34 datasets (count-rate detections)
External catalogue matches:: 1
Search Vizier | Simbad.
LSXPS ID: 1226094

Nearest neighbour

LSXPS J203754.4+425058 — 54″ away

Nearest 'OK' neighbour

LSXPS J203754.4+425058 — 54″ 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)	5.2 (±0.6) ×10^-3	4.9 (±0.6) ×10^-3	4.5 (+2.2, -1.8) ×10^-4	0.00 (+8.59, -0.00) ×10^-5
Peak rate (ct s^-1)	2.9 (+1.5, -1.1) ×10^-2	2.9 (+1.5, -1.1) ×10^-2	4.5 (+2.2, -1.8) ×10^-4	0.00 (+8.59, -0.00) ×10^-5
Detected?	Yes	Yes	Blind: No Retrospective: Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	N/A	< 1.22× 10^-3	< 4.10× 10^-4
Counts detected	96	86	10	1
BG counts	12.49	6.281	2.700	3.978
Corr fact	1.64	1.64	1.64	1.64
P_const,χ	0.00 (obs) 8.42×10^-7 (snapshot)	<10^-16 (obs) 4.91×10^-8 (snapshot)	0.00 (obs) 1.10×10^-2 (snapshot)	0.00 (obs) 1.00 (snapshot)