MOA 2022-BLG-251

Event Parameters

Internal ID:gb14-R-4-99084
Discovery date:2022-05-23T15:07:50
RA:18:04:28.11
Dec:-27:59:05.71
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
48705 18:04:27.85 -27:59:04.50 18.66 ± 0.37 4.28
48801 18:04:28.08 -27:59:05.38 16.76 ± 0.12 1.07
48854 18:04:28.15 -27:59:07.40 16.90 ± 0.10 2.38
48855 18:04:28.16 -27:59:03.22 17.57 ± 0.08 1.99
48995 18:04:28.35 -27:59:05.53 16.72 ± 0.06 2.74

Last 5 photometry measurements

Observation dateI magseeing
2460611.889 (2024-Oct-28.389) 17.12 ± 0.09 4.67
2460611.902 (2024-Oct-28.402) 16.72 ± 0.04 3.87
2460611.913 (2024-Oct-28.413) 18.48 ± 0.65 5.15
2460611.924 (2024-Oct-28.424) 17.01 ± 0.10 5.02
2460614.877 (2024-Oct-31.377) 17.08 ± 0.14 4.98

Calibration: I = 27.40 - 2.5 log10(ΔF + 18046.79)

Single lens fit parameters

tmax =JD 2459726.90 ± 0.03 UT (2022-May-27.40)
tE =106.37 ± 5.22 days
u0 =0.0336 ± 0.0020
Ibase =21.01 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice