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
2460610.904 (2024-Oct-27.404) 99.99 ± 99.99 4.91
2460610.934 (2024-Oct-27.434) 99.99 ± 99.99 4.64
2460611.879 (2024-Oct-28.379) 99.99 ± 99.99 4.11
2460611.916 (2024-Oct-28.416) 99.99 ± 99.99 5.75
2460614.880 (2024-Oct-31.380) 99.99 ± 99.99 5.13

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