LSXPS J085440.4+643314

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

This image is 160 pixels (=6.3′ to a side).
LSXPS J085440.4+643314 is indicated by the cross-hairs. What do the colours mean?The next nearest source is 37″ away.

Detection flag:: Good
Total exposure:: 454 ks
RA (J2000):: 08^h 54^m 40.42^s=133.6684°
Dec (J2000):: +64° 33′ 14.9″=+64.5541°
Err₉₀:: 3.7′′(XRT+2MASS)
l:: +150° 37′ 04.3″=150.6179°
b:: +37° 24′ 58.5″=+37.4163°
Mean count rate: 3.6 (±0.8) ×10^-4 ct s^-1
Galactic N_H: 5.7×10²⁰ cm^-2
HRs: HR1=-0.23 (±0.12)
HR2=0.07 (+0.15, -0.12)
Observed between:: 2008-11-20 02:39 and 2025-04-24 22:03
Present in:: 144 datasets (total)
31 datasets (with blind detections)
31 datasets (count-rate detections)
External catalogue matches:: 1
Search Vizier | Simbad.
LSXPS ID: 1039907

Nearest neighbour

LSXPS J085440.4+643237 — 37″ away

Nearest 'OK' neighbour

LSXPS J085440.4+643237 — 37″ 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)	3.6 (±0.8) ×10^-4	6 (±5) ×10^-5	1.3 (±0.4) ×10^-4	9 (+5, -4) ×10^-5
Peak rate (ct s^-1)	3.6 (±0.8) ×10^-4	1.0 (+0.6, -0.5) ×10^-4	1.3 (±0.4) ×10^-4	1.4 (±0.6) ×10^-4
Detected?	Yes	Yes	Blind: No Retrospective: Yes	Blind: No Retrospective: No
3 σ UL (ct s^-1)	N/A	N/A	< 2.61× 10^-4	< 2.32× 10^-4
Counts detected	192	87	46	59
BG counts	131.2	76.20	24.52	43.75
Corr fact	2.65	2.65	2.65	2.65
P_const,χ	0.88 (obs) 0.86 (snapshot)	0.88 (obs) 0.46 (snapshot)	0.88 (obs) 0.92 (snapshot)	0.88 (obs) 0.97 (snapshot)