MOA 2020-BLG-285

Event Parameters

Internal ID:gb9-R-4-85414
Discovery date:2020-10-15T14:07:06
RA:17:57:13.34
Dec:-29:33:25.20
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
100323 17:57:13.09 -29:33:24.71 16.76 ± 0.09 4.07
100394 17:57:13.23 -29:33:23.58 17.81 ± 0.10 2.40
100453 17:57:13.36 -29:33:26.92 17.95 ± 0.10 2.43
100485 17:57:13.48 -29:33:21.21 14.64 ± 0.10 3.78
100530 17:57:13.58 -29:33:26.70 17.37 ± 0.07 3.42
100605 17:57:13.62 -29:33:22.60 18.25 ± 0.15 3.86

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 99.99 ± 99.99 3.49
2460246.896 (2023-Oct-29.396) 99.99 ± 99.99 3.26
2460246.906 (2023-Oct-29.406) 21.06 ± 3.03 3.35
2460246.918 (2023-Oct-29.418) 19.99 ± 1.03 3.46
2460246.927 (2023-Oct-29.427) 20.60 ± 1.89 3.51

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

Single lens fit parameters

tmax =JD 2459137.51 ± 0.02 UT (2020-Oct-15.01)
tE =157.15 ± 31.11 days
u0 =0.0000 ± 0.0001
Ibase =22.92 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice