LSXPS J202759.3+411442

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J202759.3+411442 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 35″ away and the nearest good/reasonable source is 75″ away.

Detection flag:: Reasonable, but may be affected by, or due to, stray light.
Total exposure:: 22 ks
RA (J2000):: 20^h 27^m 59.35^s=306.9973°
Dec (J2000):: +41° 14′ 43.0″=+41.2453°
Err₉₀:: 7.1′′(Star trackers)
l:: +79° 35′ 09.5″=79.5860°
b:: +01° 32′ 44.5″=+1.5457°
Mean count rate: 9 (±4) ×10^-4 ct s^-1
Galactic N_H: 1.3×10²² cm^-2
HRs: HR1=-0.54 (+0.06, -0.46)
HR2=0.8985 (+0.1015, -0.0060)
Observed between:: 2008-06-15 05:13 and 2025-12-21 23:19
Present in:: 21 datasets (total)
1 datasets (with blind detections)
3 datasets (count-rate detections)
External catalogue matches:: 1
Search Vizier | Simbad.
LSXPS ID: 1198730

Nearest neighbour

— 35″ away

Nearest 'OK' neighbour

LSXPS J202804.7+411357 — 75″ away

Build custom products for this source.

This source is in a field with stray light; however, this should have been correctly handled.

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)	9 (±4) ×10^-4	1.7 (+1.8, -1.4) ×10^-4	0.00 (+1.11, -0.00) ×10^-4	8 (+4, -3) ×10^-4
Peak rate (ct s^-1)	9 (±4) ×10^-3	1.7 (+1.8, -1.4) ×10^-4	0.00 (+1.11, -0.00) ×10^-4	1.0 (+0.4, -0.3) ×10^-2
Detected?	Blind: No Retrospective: No	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	< 2.22× 10^-3	< 9.52× 10^-4	< 5.11× 10^-4	N/A
Counts detected	28	6	1	21
BG counts	16.16	3.775	2.623	9.917
Corr fact	1.69	1.69	1.69	1.69
P_const,χ	8.20×10^-2 (obs) 0.56 (snapshot)	8.20×10^-2 (obs) 0.19 (snapshot)	8.20×10^-2 (obs) 1.00 (snapshot)	8.20×10^-2 (obs) 0.60 (snapshot)