MOA 2023-BLG-171

Event Parameters

Internal ID:gb12-R-10-8866
Discovery date:2023-05-04T19:19:02
RA:18:07:12.79
Dec:-30:11:45.22
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
42560 18:07:12.93 -30:11:46.72 16.66 ± 0.02 2.71
42740 18:07:12.49 -30:11:44.26 18.65 ± 0.10 3.82
42772 18:07:12.42 -30:11:47.44 16.57 ± 0.04 4.70

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 21.67 ± 13.30 4.58
2460245.869 (2023-Oct-28.369) 19.41 ± 0.93 3.56
2460245.912 (2023-Oct-28.412) 99.99 ± 99.99 3.77
2460246.868 (2023-Oct-29.368) 18.91 ± 0.67 3.92
2460246.916 (2023-Oct-29.416) 18.56 ± 0.63 3.62

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

Single lens fit parameters

tmax =JD 2460069.21 ± 0.00 UT (2023-May-4.71)
tE =3.59 ± 0.80 days
u0 =0.0399 ± 0.0071
Ibase =18.95 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice