LSXPS J202103.9+371728

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202103.9+371728 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 105″ away and the nearest good/reasonable source is 9.9′ away.

Detection flag:: Good
Total exposure:: 33 ks
RA (J2000):: 20^h 21^m 03.97^s=305.2665°
Dec (J2000):: +37° 17′ 28.5″=+37.2913°
Err₉₀:: 3.5′′(XRT+2MASS)
l:: +75° 34′ 52.2″=75.5812°
b:: +00° 21′ 54.0″=+0.3650°
Mean count rate: 1.7 (±0.4) ×10^-3 ct s^-1
Galactic N_H: 1.1×10²² cm^-2
HRs: HR1=0.27 (+0.73, -0.22)
HR2=0.67 (+0.21, -0.14)
Observed between:: and 2025-01-15 18:39
Present in:: 46 datasets (total)
24 datasets (with blind detections)
26 datasets (count-rate detections)
External catalogue matches:: 3
Search Vizier | Simbad.
LSXPS ID: 1007914

Nearest neighbour

LSXPS J202104.0+371914 — 105″ away

Nearest 'OK' neighbour

LSXPS J202123.2+372638 — 9.9′ 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)	1.7 (±0.4) ×10^-3	7.2 (+15.4, -7.2) ×10^-5	2.2 (+1.8, -1.4) ×10^-4	1.40 (+0.34, -0.30) ×10^-3
Peak rate (ct s^-1)	1.7 (+0.4, -0.3) ×10^-3	7.2 (+15.4, -7.2) ×10^-5	2.2 (+1.8, -1.4) ×10^-4	4.7 (+3.6, -2.4) ×10^-3
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	N/A	< 7.21× 10^-4	< 8.83× 10^-4	N/A
Counts detected	40	6	7	27
BG counts	11.96	4.808	3.289	3.919
Corr fact	1.69	1.67	1.67	1.69
P_const,χ	0.11 (obs) 0.67 (snapshot)	7.55×10^-2 (obs) 0.88 (snapshot)	7.55×10^-2 (obs) 0.27 (snapshot)	0.11 (obs) 0.47 (snapshot)