LSXPS J202123.2+372638

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202123.2+372638 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 20″ away and the nearest good/reasonable source is 9.9′ away.

Detection flag:: Good
Total exposure:: 23 ks
RA (J2000):: 20^h 21^m 23.30^s=305.3471°
Dec (J2000):: +37° 26′ 39.0″=+37.4442°
Err₉₀:: 3.9′′(XRT+2MASS)
l:: +75° 44′ 36.1″=75.7434°
b:: +00° 23′ 57.4″=+0.3993°
Mean count rate: 1.1 (±0.4) ×10^-3 ct s^-1
Galactic N_H: 1.2×10²² cm^-2
HRs: HR1=0.3 (±0.4)
HR2=-0.47 (+0.16, -0.53)
Observed between:: and 2025-01-15 18:39
Present in:: 27 datasets (total)
10 datasets (with blind detections)
10 datasets (count-rate detections)
External catalogue matches:: 4
Search Vizier | Simbad.
LSXPS ID: 1007940

Nearest neighbour

LSXPS J202121.9+372625 — 20″ away

Nearest 'OK' neighbour

LSXPS J202103.9+371728 — 9.9′ away

Build custom products for this source.

Spectral / Flux information

Hide spectral section.

Temporal Information

Hide temporal section.

Band	Total (0.3—10 keV)	Soft (0.3—1 keV)	Medium (1—2 keV)	Hard (2—10 keV)
Mean rate (ct s^-1)	1.1 (±0.4) ×10^-3	3.8 (+2.6, -2.1) ×10^-4	6.2 (+3.0, -2.4) ×10^-4	1.7 (+2.0, -1.5) ×10^-4
Peak rate (ct s^-1)	1.2 (+0.5, -0.4) ×10^-2	3.8 (+2.6, -2.1) ×10^-4	7.9 (+3.8, -2.9) ×10^-3	1.7 (+2.0, -1.5) ×10^-4
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	< 1.35× 10^-3	< 1.69× 10^-3	< 1.06× 10^-3
Counts detected	20	7	9	5
BG counts	8.013	2.667	2.009	3.025
Corr fact	1.43	1.43	1.43	1.43
P_const,χ	<10^-16 (obs) 3.55×10^-7 (snapshot)	1.42×10^-10 (obs) 7.37×10^-2 (snapshot)	1.42×10^-10 (obs) 3.40×10^-5 (snapshot)	1.42×10^-10 (obs) 0.38 (snapshot)