MOA 2021-BLG-204

Event Parameters

Internal ID:gb1-R-3-21737
Discovery date:2021-06-22T14:23:17
RA:17:46:23.58
Dec:-34:04:51.99
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
160952 17:46:23.53 -34:04:54.57 17.38 ± 0.10 3.49
160977 17:46:23.59 -34:04:47.98 14.78 ± 0.18 3.57
161102 17:46:23.81 -34:04:52.24 19.78 ± 0.29 2.56
161129 17:46:23.90 -34:04:48.07 14.35 ± 0.28 4.92
161230 17:46:23.99 -34:04:52.47 18.18 ± 0.11 4.80

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 99.99 ± 99.99 3.55
2460245.937 (2023-Oct-28.437) 99.99 ± 99.99 3.62
2460246.859 (2023-Oct-29.359) 99.99 ± 99.99 3.92
2460246.892 (2023-Oct-29.392) 99.99 ± 99.99 3.63
2460246.926 (2023-Oct-29.426) 99.99 ± 99.99 3.61

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

Single lens fit parameters

tmax =JD 2459390.82 ± 0.10 UT (2021-Jun-25.32)
tE =31.32 ± 4.30 days
u0 =0.2834 ± 0.0501
Ibase =18.65 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice