MOA 2021-BLG-275

Event Parameters

Internal ID:gb8-R-3-39580
Discovery date:2021-07-23T16:03:16
RA:17:59:39.92
Dec:-30:59:19.66
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
163408 17:59:39.70 -30:59:22.26 18.23 ± 0.08 4.85
163432 17:59:39.72 -30:59:17.18 18.49 ± 0.07 3.86
163503 17:59:39.85 -30:59:17.29 19.06 ± 0.09 2.42
163623 17:59:40.18 -30:59:21.51 19.30 ± 0.19 3.74
163653 17:59:40.21 -30:59:17.64 17.18 ± 0.07 3.47

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 99.99 ± 99.99 3.36
2460245.921 (2023-Oct-28.421) 19.94 ± 1.31 3.55
2460246.858 (2023-Oct-29.358) 20.29 ± 1.00 3.57
2460246.891 (2023-Oct-29.391) 20.67 ± 1.80 3.53
2460246.925 (2023-Oct-29.425) 99.99 ± 99.99 3.38

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

Single lens fit parameters

tmax =JD 2459419.61 ± 0.01 UT (2021-Jul-24.11)
tE =10.17 ± 0.75 days
u0 =0.0450 ± 0.0058
Ibase =19.73 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice