MOA 2021-BLG-091

Event Parameters

Internal ID:gb13-R-4-64548
Discovery date:2021-04-19T20:31:43
RA:18:03:38.62
Dec:-29:36:16.13
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
18687 18:03:38.46 -29:36:16.95 16.83 ± 0.08 3.09
18688 18:03:38.48 -29:36:14.27 17.94 ± 0.12 2.86
18785 18:03:38.67 -29:36:20.17 16.18 ± 0.06 4.82
18809 18:03:38.72 -29:36:13.42 19.13 ± 0.19 2.40

Last 5 photometry measurements

Observation dateI magseeing
2460610.903 (2024-Oct-27.403) 18.68 ± 0.84 5.16
2460610.933 (2024-Oct-27.433) 19.42 ± 1.04 4.83
2460611.878 (2024-Oct-28.378) 19.91 ± 2.04 5.05
2460611.914 (2024-Oct-28.414) 99.99 ± 99.99 5.46
2460614.879 (2024-Oct-31.379) 99.99 ± 99.99 5.06

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

Single lens fit parameters

tmax =JD 2459329.12 ± 0.05 UT (2021-Apr-24.62)
tE =76.81 ± 14.63 days
u0 =0.0251 ± 0.0092
Ibase =21.44 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice