MOA 2021-BLG-425

Event Parameters

Internal ID:gb9-R-4-88069
Discovery date:2021-10-05T14:59:32
RA:17:58:38.04
Dec:-29:33:11.42
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
140192 17:58:37.75 -29:33:11.14 17.59 ± 0.11 4.52
140236 17:58:37.88 -29:33:14.72 18.34 ± 0.19 4.90
140255 17:58:37.91 -29:33:12.80 16.31 ± 0.09 3.12
140297 17:58:37.97 -29:33:07.84 18.88 ± 0.28 3.45
140340 17:58:38.09 -29:33:11.38 18.26 ± 0.19 0.58
140419 17:58:38.20 -29:33:14.17 17.06 ± 0.14 3.81

Last 5 photometry measurements

Observation dateI magseeing
2460611.919 (2024-Oct-28.419) 17.77 ± 0.38 5.43
2460611.928 (2024-Oct-28.428) 18.02 ± 0.29 4.91
2460614.863 (2024-Oct-31.363) 17.70 ± 0.29 5.12
2460614.869 (2024-Oct-31.369) 21.39 ± 5.48 5.08
2460614.873 (2024-Oct-31.373) 18.30 ± 0.50 5.32

Calibration: I = 27.40 - 2.5 log10(ΔF + 4528.98)

Single lens fit parameters

tmax =JD 2459517.97 ± 1.13 UT (2021-Oct-30.47)
tE =69.27 ± 4.29 days
u0 =0.5034 ± 0.0568
Ibase =17.62 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice