MOA 2021-BLG-246

Event Parameters

Internal ID:gb3-R-8-23839
Discovery date:2021-07-10T21:52:43
RA:17:57:12.11
Dec:-32:47:51.86
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
90838 17:57:12.21 -32:47:51.78 18.49 ± 0.15 2.09
90839 17:57:12.23 -32:47:55.07 17.12 ± 0.04 3.53
90913 17:57:12.05 -32:47:52.36 16.71 ± 0.03 0.18
90935 17:57:11.96 -32:47:50.04 16.25 ± 0.13 2.82
91052 17:57:11.71 -32:47:52.87 16.75 ± 0.05 4.62

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 16.66 ± 0.03 2.94
2460246.910 (2023-Oct-29.410) 16.70 ± 0.04 3.10
2460246.922 (2023-Oct-29.422) 16.63 ± 0.05 3.65
2460246.930 (2023-Oct-29.430) 16.62 ± 0.04 3.36
2460246.933 (2023-Oct-29.433) 16.64 ± 0.05 3.57

Calibration: I = 27.40 - 2.5 log10(ΔF + 18862.53)

Single lens fit parameters

tmax =JD 2459408.12 ± 0.11 UT (2021-Jul-12.62)
tE =95.75 ± 5.64 days
u0 =0.2498 ± 0.0186
Ibase =19.62 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice