MOA 2023-BLG-304

Event Parameters

Internal ID:gb9-R-10-137081
Discovery date:2023-07-09T14:02:28
RA:18:01:06.30
Dec:-28:32:53.09
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
115996 18:01:06.58 -28:32:55.72 19.00 ± 0.48 4.88
116033 18:01:06.48 -28:32:53.09 17.58 ± 0.19 3.10
116096 18:01:06.34 -28:32:55.50 16.72 ± 0.14 2.21
116136 18:01:06.27 -28:32:53.59 16.29 ± 0.07 0.19
116206 18:01:06.14 -28:32:51.51 18.92 ± 0.32 2.75
116207 18:01:06.14 -28:32:57.76 17.49 ± 0.10 4.59

Last 5 photometry measurements

Observation dateI magseeing
2460611.919 (2024-Oct-28.419) 16.02 ± 0.10 5.66
2460611.928 (2024-Oct-28.428) 16.16 ± 0.07 5.15
2460614.863 (2024-Oct-31.363) 15.99 ± 0.09 5.29
2460614.869 (2024-Oct-31.369) 99.99 ± 99.99 6.70
2460614.873 (2024-Oct-31.373) 15.93 ± 0.07 5.49

Calibration: I = 27.40 - 2.5 log10(ΔF + 27797.13)

Single lens fit parameters

tmax =JD 2460145.68 ± 0.07 UT (2023-Jul-20.18)
tE =81.73 ± 4.40 days
u0 =0.3577 ± 0.0247
Ibase =18.27 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice