LSXPS J121957.3+493148

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J121957.3+493148 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 70″ away and the nearest good/reasonable source is 79″ away.

Detection flag:: Good
Total exposure:: 212 ks
RA (J2000):: 12^h 19^m 57.30^s=184.9888°
Dec (J2000):: +49° 31′ 48.3″=+49.5301°
Err₉₀:: 4.8′′(Star trackers)
l:: +135° 58′ 03.4″=135.9676°
b:: +66° 47′ 37.4″=+66.7937°
Mean count rate: 1.7 (+0.9, -0.8) ×10^-4 ct s^-1
Galactic N_H: 1.8×10²⁰ cm^-2
HRs: HR1=0.1 (+0.4, -0.5)
HR2=0.33 (+0.22, -0.25)
Observed between:: 2016-12-13 14:26 and 2025-06-09 22:21
Present in:: 132 datasets (total)
26 datasets (with blind detections)
26 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 1118438

Nearest neighbour

LSXPS J121959.3+493040 — 70″ away

Nearest 'OK' neighbour

LSXPS J121949.8+493115 — 79″ 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 (+0.9, -0.8) ×10^-4	0.00 (+3.90, -0.00) ×10^-5	6 (±4) ×10^-5	1.2 (+0.6, -0.5) ×10^-4
Peak rate (ct s^-1)	2.1 (+0.8, -0.7) ×10^-4	0.00 (+3.90, -0.00) ×10^-5	6 (±4) ×10^-5	2.3 (+1.8, -1.2) ×10^-3
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: No	Yes
3 σ UL (ct s^-1)	N/A	< 1.50× 10^-4	< 1.96× 10^-4	N/A
Counts detected	105	39	24	42
BG counts	84.62	45.71	17.18	27.27
Corr fact	1.75	1.75	1.75	1.75
P_const,χ	0.17 (obs) 0.45 (snapshot)	0.17 (obs) 3.26×10^-3 (snapshot)	0.17 (obs) 9.45×10^-2 (snapshot)	0.17 (obs) 0.96 (snapshot)