LSXPS J022755.9+190819

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J022755.9+190819 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 63″ away and the nearest good/reasonable source is 4.0′ away.

Detection flag:: Good
Total exposure:: 26 ks
RA (J2000):: 02^h 27^m 55.92^s=36.9830°
Dec (J2000):: +19° 08′ 19.9″=+19.1389°
Err₉₀:: 5.4′′(Star trackers)
l:: +152° 20′ 32.8″=152.3425°
b:: -38° 09′ 38.1″=-38.1606°
Mean count rate: 7.7 (+3.3, -3.0) ×10^-4 ct s^-1
Galactic N_H: 1.4×10²¹ cm^-2
HRs: HR1=0.37 (+0.63, -0.22)
HR2=0.30 (+0.33, -0.26)
Observed between:: 2025-01-01 13:25 and 2025-01-06 23:18
Present in:: 9 datasets (total)
2 datasets (with blind detections)
2 datasets (count-rate detections)
External catalogue matches:: 0
Search Vizier | Simbad.
LSXPS ID: 1077041

Nearest neighbour

LSXPS J022755.4+190923 — 63″ away

Nearest 'OK' neighbour

LSXPS J022804.9+191140 — 4.0′ 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)	7.7 (+3.3, -3.0) ×10^-4	0.00 (+1.92, -0.00) ×10^-4	3.2 (+1.7, -1.3) ×10^-4	5.3 (+2.2, -1.9) ×10^-4
Peak rate (ct s^-1)	1.3 (+0.6, -0.5) ×10^-2	0.00 (+1.92, -0.00) ×10^-4	7 (+5, -3) ×10^-3	5.3 (+2.2, -1.9) ×10^-4
Detected?	Yes	Blind: No Retrospective: No	Blind: No Retrospective: Yes	Blind: No Retrospective: Yes
3 σ UL (ct s^-1)	N/A	< 6.95× 10^-4	< 9.06× 10^-4	< 1.29× 10^-3
Counts detected	41	15	9	17
BG counts	25.29	16.77	2.555	6.175
Corr fact	1.32	1.32	1.32	1.32
P_const,χ	0.13 (obs) 8.52×10^-3 (snapshot)	0.63 (obs) 0.47 (snapshot)	0.63 (obs) 1.61×10^-2 (snapshot)	0.63 (obs) 0.64 (snapshot)