LSXPS J202139.2+373155

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202139.2+373155 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 9″ away and the nearest good/reasonable source is 43″ away.

Detection flag:: Good, but may be affected by optical loading.
Total exposure:: 43 ks
RA (J2000):: 20^h 21^m 39.27^s=305.4136°
Dec (J2000):: +37° 31′ 55.1″=+37.5320°
Err₉₀:: 2.4′′(XRT+2MASS)
l:: +75° 50′ 44.2″=75.8456°
b:: +00° 24′ 21.2″=+0.4059°
Mean count rate: 8.9 (±1.4) ×10^-3 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.86 (+0.05, -0.07)
HR2=-0.8464 (+0.0043, -0.1536)
Observed between:: and 2025-01-15 18:39
Present in:: 34 datasets (total)
5 datasets (with blind detections)
13 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 1007907

Nearest neighbour

LSXPS J202138.5+373158 — 9″ away

Nearest 'OK' neighbour

LSXPS J202139.1+373112 — 43″ 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)	8.9 (±1.4) ×10^-3	9.2 (+1.4, -1.3) ×10^-3	7 (+4, -3) ×10^-4	0.00 (+1.59, -0.00) ×10^-4
Peak rate (ct s^-1)	2.5 (+0.8, -0.7) ×10^-2	2.6 (+0.8, -0.7) ×10^-2	7 (+5, -4) ×10^-3	0.00 (+1.59, -0.00) ×10^-4
Detected?	Yes	Yes	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	N/A	N/A	< 8.02× 10^-4
Counts detected	102	95	7	0
BG counts	37.56	28.70	1.710	3.621
Corr fact	2.52	2.52	2.52	2.52
P_const,χ	<10^-16 (obs) 1.31×10^-11 (snapshot)	<10^-16 (obs) 2.87×10^-10 (snapshot)	<10^-16 (obs) 4.96×10^-2 (snapshot)	<10^-16 (obs) 1.00 (snapshot)