MOA 2023-BLG-157

Event Parameters

Internal ID:gb4-R-2-119042
Discovery date:2023-04-27T17:27:07
RA:17:53:16.24
Dec:-30:46:50.51
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
39542 17:53:16.08 -30:46:48.15 17.87 ± 0.07 3.35
39598 17:53:16.31 -30:46:50.49 15.59 ± 0.07 0.67
39649 17:53:16.47 -30:46:48.79 15.92 ± 0.04 2.68

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 15.61 ± 0.01 3.41
2460246.898 (2023-Oct-29.398) 15.61 ± 0.01 3.14
2460246.909 (2023-Oct-29.409) 15.61 ± 0.01 3.31
2460246.920 (2023-Oct-29.420) 15.61 ± 0.02 3.67
2460246.929 (2023-Oct-29.429) 15.58 ± 0.02 3.58

Calibration: I = 27.40 - 2.5 log10(ΔF + 53015.15)

Single lens fit parameters

tmax =JD 2460062.31 ± 0.04 UT (2023-Apr-27.81)
tE =46.13 ± 3.78 days
u0 =0.0701 ± 0.0073
Ibase =19.95 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice