MOA 2023-BLG-419

Event Parameters

Internal ID:gb20-R-8-9359
Discovery date:2023-09-07T12:57:23
RA:18:18:55.76
Dec:-23:43:57.25
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
73302 18:18:55.92 -23:44:01.44 19.46 ± 0.18 4.69
73359 18:18:55.83 -23:43:58.80 18.80 ± 0.09 1.87
73388 18:18:55.81 -23:43:54.98 18.25 ± 0.18 3.26
73414 18:18:55.71 -23:44:02.33 18.98 ± 0.15 4.63
73437 18:18:55.71 -23:43:57.85 18.88 ± 0.11 0.09

Last 5 photometry measurements

Observation dateI magseeing
2460599.874 (2024-Oct-16.374) 18.71 ± 0.18 2.81
2460599.953 (2024-Oct-16.453) 18.85 ± 0.30 3.24
2460602.897 (2024-Oct-19.397) 18.66 ± 0.16 3.48
2460610.887 (2024-Oct-27.387) 17.08 ± 0.35 5.20
2460614.893 (2024-Oct-31.393) 17.89 ± 0.36 4.98

Calibration: I = 27.40 - 2.5 log10(ΔF + 2556.23)

Single lens fit parameters

tmax =JD 2460193.42 ± 0.02 UT (2023-Sep-5.92)
tE =17.14 ± 1.56 days
u0 =0.0821 ± 0.0134
Ibase =19.57 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice