MOA 2021-BLG-303

Event Parameters

Internal ID:gb1-R-1-59649
Discovery date:2021-08-01T17:18:03
RA:17:45:32.52
Dec:-33:35:11.32
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
22642 17:45:32.28 -33:35:12.23 16.42 ± 0.03 4.05
22702 17:45:32.38 -33:35:14.38 17.02 ± 0.03 4.52
22786 17:45:32.68 -33:35:08.63 18.80 ± 0.14 2.61
22841 17:45:32.76 -33:35:10.81 17.53 ± 0.06 2.55

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 19.23 ± 1.02 4.13
2460245.937 (2023-Oct-28.437) 19.04 ± 0.99 4.10
2460246.859 (2023-Oct-29.359) 99.99 ± 99.99 4.09
2460246.892 (2023-Oct-29.392) 99.99 ± 99.99 4.00
2460246.926 (2023-Oct-29.426) 19.54 ± 1.09 4.02

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

Single lens fit parameters

tmax =JD 2459427.72 ± 0.03 UT (2021-Aug-1.22)
tE =21.34 ± 5.45 days
u0 =0.0415 ± 0.0164
Ibase =21.08 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice