MOA 2023-BLG-434

Event Parameters

Internal ID:gb9-R-3-171924
Discovery date:2023-09-25T11:41:34
RA:17:59:10.77
Dec:-29:14:13.31
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
158412 17:59:10.69 -29:14:16.60 16.88 ± 0.11 4.36
158445 17:59:10.80 -29:14:08.27 16.26 ± 0.16 4.60
158511 17:59:10.93 -29:14:13.74 18.22 ± 0.23 1.92
158533 17:59:10.96 -29:14:17.01 17.17 ± 0.20 4.83
158638 17:59:11.15 -29:14:10.76 18.28 ± 0.40 4.92

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 19.99 ± 1.17 3.34
2460246.896 (2023-Oct-29.396) 19.96 ± 1.17 3.00
2460246.906 (2023-Oct-29.406) 99.99 ± 99.99 3.34
2460246.918 (2023-Oct-29.418) 18.95 ± 0.73 3.54
2460246.927 (2023-Oct-29.427) 99.99 ± 99.99 3.37

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

Single lens fit parameters

tmax =JD 2460214.31 ± 0.02 UT (2023-Sep-26.81)
tE =15.79 ± 1.50 days
u0 =0.0379 ± 0.0043
Ibase =19.22 ± 0.36

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice