LSXPS J202119.9+372053

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202119.9+372053 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 19″ away and the nearest good/reasonable source is 3.5′ away.

Detection flag:: Good
Total exposure:: 32 ks
RA (J2000):: 20^h 21^m 19.95^s=305.3331°
Dec (J2000):: +37° 20′ 53.6″=+37.3482°
Err₉₀:: 4.5′′(XRT+2MASS)
l:: +75° 39′ 29.3″=75.6581°
b:: +00° 21′ 13.8″=+0.3538°
Mean count rate: 1.15 (+0.34, -0.30) ×10^-3 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=-0.737 (+0.080, -0.263)
HR2=0.15 (+0.85, -0.27)
Observed between:: and 2025-01-15 18:39
Present in:: 41 datasets (total)
16 datasets (with blind detections)
18 datasets (count-rate detections)
External catalogue matches:: 5
Search Vizier | Simbad.
LSXPS ID: 1007882

Nearest neighbour

LSXPS J202121.2+372041 — 19″ away

Nearest 'OK' neighbour

LSXPS J202102.5+372101 — 3.5′ 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)	1.15 (+0.34, -0.30) ×10^-3	9.6 (+2.8, -2.4) ×10^-4	1.14 (+1.30, -0.99) ×10^-4	1.5 (+1.5, -1.2) ×10^-4
Peak rate (ct s^-1)	4.2 (+2.6, -1.9) ×10^-3	4.8 (+2.6, -1.9) ×10^-3	1.14 (+1.30, -0.99) ×10^-4	1.5 (+1.5, -1.2) ×10^-4
Detected?	Yes	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	N/A	< 6.75× 10^-4	< 7.70× 10^-4
Counts detected	32	21	5	7
BG counts	11.37	3.827	2.959	4.297
Corr fact	1.40	1.40	1.41	1.41
P_const,χ	0.76 (obs) 0.45 (snapshot)	0.53 (obs) 0.14 (snapshot)	0.79 (obs) 0.15 (snapshot)	0.79 (obs) 0.72 (snapshot)