LSXPS J202134.2+404628

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202134.2+404628 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 2.2′ away and the nearest good/reasonable source is 13.7′ away.

Detection flag:: Poor
Total exposure:: 19 ks
RA (J2000):: 20^h 21^m 34.22^s=305.3926°
Dec (J2000):: +40° 46′ 28.1″=+40.7745°
Err₉₀:: 9.9′′(Star trackers)
l:: +78° 30′ 11.8″=78.5033°
b:: +02° 15′ 52.9″=+2.2647°
Mean count rate: 1.6 (+0.8, -0.7) ×10^-3 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=0.752 (+0.248, -0.055)
HR2=-0.47 (+0.14, -0.53)
Observed between:: and 2025-02-24 15:32
Present in:: 22 datasets (total)
1 datasets (with blind detections)
2 datasets (count-rate detections)
External catalogue matches:: 6
Search Vizier | Simbad.
LSXPS ID: 61064

Nearest neighbour

LSXPS J202123.2+404712 — 2.2′ away

Nearest 'OK' neighbour

LSXPS J202205.6+405846 — 13.7′ 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)	1.6 (+0.8, -0.7) ×10^-3	0.00 (+3.29, -0.00) ×10^-4	1.4 (+0.6, -0.5) ×10^-3	5 (+4, -3) ×10^-4
Peak rate (ct s^-1)	4.5 (+2.4, -1.9) ×10^-3	0.00 (+3.29, -0.00) ×10^-4	1.1 (+0.8, -0.6) ×10^-2	5 (+4, -3) ×10^-4
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	< 4.14× 10^-3	< 1.36× 10^-3	N/A	< 2.11× 10^-3
Counts detected	23	4	13	6
BG counts	12.30	5.988	3.559	2.541
Corr fact	1.47	1.47	1.47	1.47
P_const,χ	0.21 (obs) 4.83×10^-2 (snapshot)	0.21 (obs) 0.90 (snapshot)	6.60×10^-2 (obs) 7.62×10^-2 (snapshot)	0.21 (obs) 0.17 (snapshot)