MOA 2021-BLG-312

Event Parameters

Internal ID:gb9-R-4-86575
Discovery date:2021-08-06T11:40:13
RA:17:59:34.56
Dec:-29:30:29.13
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
166517 17:59:34.30 -29:30:26.65 17.30 ± 0.08 4.51
166630 17:59:34.47 -29:30:24.66 16.90 ± 0.19 4.41
166699 17:59:34.63 -29:30:32.80 18.50 ± 0.16 4.41
166700 17:59:34.64 -29:30:27.18 15.93 ± 0.08 1.48
166742 17:59:34.72 -29:30:24.52 17.66 ± 0.09 4.42
166805 17:59:34.87 -29:30:29.94 16.55 ± 0.04 3.89

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 15.94 ± 0.02 3.43
2460246.896 (2023-Oct-29.396) 15.99 ± 0.02 3.07
2460246.906 (2023-Oct-29.406) 15.97 ± 0.03 3.44
2460246.918 (2023-Oct-29.418) 15.98 ± 0.03 3.51
2460246.927 (2023-Oct-29.427) 15.98 ± 0.03 3.52

Calibration: I = 27.40 - 2.5 log10(ΔF + 38618.91)

Single lens fit parameters

tmax =JD 2459433.24 ± 0.02 UT (2021-Aug-6.74)
tE =1.07 ± 0.13 days
u0 =0.1761 ± 0.0276
Ibase =17.73 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice