MOA 2023-BLG-308

Event Parameters

Internal ID:gb8-R-8-21059
Discovery date:2023-07-09T19:19:58
RA:18:00:46.41
Dec:-31:00:58.21
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
144741 18:00:46.49 -31:01:00.05 18.11 ± 0.14 2.13
144799 18:00:46.33 -31:01:02.28 18.61 ± 0.13 3.61
144832 18:00:46.26 -31:00:57.97 18.25 ± 0.17 1.60
144852 18:00:46.21 -31:01:00.62 17.52 ± 0.07 2.77

Last 5 photometry measurements

Observation dateI magseeing
2460610.904 (2024-Oct-27.404) 99.99 ± 99.99 4.80
2460610.934 (2024-Oct-27.434) 99.99 ± 99.99 4.64
2460611.879 (2024-Oct-28.379) 99.99 ± 99.99 4.13
2460611.916 (2024-Oct-28.416) 27.07 ± 2373.25 5.72
2460614.880 (2024-Oct-31.380) 99.99 ± 99.99 5.15

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2460135.00 ± 0.02 UT (2023-Jul-9.50)
tE =41.48 ± 9.33 days
u0 =0.0134 ± 0.0040
Ibase =22.14 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice