MOA 2023-BLG-317

Event Parameters

Internal ID:gb9-R-6-60091
Discovery date:2023-07-14T18:24:28
RA:18:01:09.76
Dec:-29:52:17.55
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
51477 18:01:10.00 -29:52:15.16 15.82 ± 0.07 5.00
51524 18:01:09.92 -29:52:16.91 17.31 ± 0.14 3.10
51597 18:01:09.74 -29:52:13.89 15.26 ± 0.07 4.47
51639 18:01:09.68 -29:52:21.76 17.79 ± 0.14 3.83
51664 18:01:09.60 -29:52:15.42 15.32 ± 0.08 3.23
51715 18:01:09.55 -29:52:21.05 18.27 ± 0.18 3.77

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 17.61 ± 0.28 3.49
2460246.896 (2023-Oct-29.396) 18.41 ± 0.54 3.16
2460246.906 (2023-Oct-29.406) 99.99 ± 99.99 3.32
2460246.918 (2023-Oct-29.418) 99.99 ± 99.99 3.45
2460246.927 (2023-Oct-29.427) 99.99 ± 99.99 3.50

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

Single lens fit parameters

tmax =JD 2460140.23 ± 0.04 UT (2023-Jul-14.73)
tE =20.97 ± 1.71 days
u0 =0.1123 ± 0.0118
Ibase =18.89 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice