MOA 2021-BLG-289

Event Parameters

Internal ID:gb16-R-6-10049
Discovery date:2021-07-27T17:02:21
RA:18:14:43.48
Dec:-29:55:39.44
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
8791 18:14:43.60 -29:55:39.74 17.68 ± 0.15 2.26
8854 18:14:43.50 -29:55:37.05 17.98 ± 0.10 3.26
8912 18:14:43.32 -29:55:40.17 14.35 ± 0.07 1.45
8975 18:14:43.17 -29:55:36.93 17.55 ± 0.10 4.85

Last 5 photometry measurements

Observation dateI magseeing
2460245.910 (2023-Oct-28.410) 14.41 ± 0.01 3.33
2460245.939 (2023-Oct-28.439) 14.42 ± 0.02 3.72
2460246.866 (2023-Oct-29.366) 14.41 ± 0.01 3.67
2460246.913 (2023-Oct-29.413) 14.42 ± 0.01 3.37
2460246.937 (2023-Oct-29.437) 14.47 ± 0.02 3.93

Calibration: I = 27.40 - 2.5 log10(ΔF + 165805.91)

Single lens fit parameters

tmax =JD 2459421.04 ± 0.10 UT (2021-Jul-25.54)
tE =4.50 ± 0.28 days
u0 =0.1392 ± 0.0677
Ibase =15.92 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice