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
2460611.919 (2024-Oct-28.419) 17.69 ± 0.70 5.46
2460611.928 (2024-Oct-28.428) 18.34 ± 0.60 4.96
2460614.863 (2024-Oct-31.363) 17.68 ± 0.36 5.26
2460614.869 (2024-Oct-31.369) 17.94 ± 0.45 4.77
2460614.873 (2024-Oct-31.373) 17.76 ± 0.88 5.43

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